Hierarchically interconnected porosity control of catalyst-loaded WO
Electrospun WO3 nanofibers (NFs) with hierarchically interconnected porosity (HP_WO3 NFs) are designed by using dual sacrificial templates including zero-dimensional (0D) polystyrene (PS) colloids and one-dimensional (1D) multi-walled carbon nanotubes (MWCNTs). Multi-dimensionally interconnected por...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Kim, Dong-Ha [verfasserIn] Jang, Ji-Soo [verfasserIn] Koo, Won-Tae [verfasserIn] Choi, Seon-Jin [verfasserIn] Kim, Sang-Joon [verfasserIn] Kim, Il-Doo [verfasserIn] |
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| Format: |
E-Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2017 |
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| Schlagwörter: |
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| Übergeordnetes Werk: |
Enthalten in: Sensors and actuators |
|---|---|
| Übergeordnetes Werk: |
volume:259 ; pages:616-625 |
| DOI / URN: |
10.1016/j.snb.2017.12.051 |
|---|
| Katalog-ID: |
ELV000491365 |
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| 245 | 1 | 0 | |a Hierarchically interconnected porosity control of catalyst-loaded WO |
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| 520 | |a Electrospun WO3 nanofibers (NFs) with hierarchically interconnected porosity (HP_WO3 NFs) are designed by using dual sacrificial templates including zero-dimensional (0D) polystyrene (PS) colloids and one-dimensional (1D) multi-walled carbon nanotubes (MWCNTs). Multi-dimensionally interconnected pore-loaded structures offer much enhanced surface area and abundant gas penetration pathway into the inner sensing layers, which are essential requirements for effective gas adsorption-desorption reactions, fast gas diffusion, and high gas response. Moreover, such porous WO3 NFs are homogeneously decorated by Pt nanoparticles (Apo-Pt) encapsulated in a protein nanocage, i.e., apoferritin, which enables uniform catalyst sensitization in interior and exterior of highly gas accessible NFs. The HP_WO3 NFs sensitized by Apo-Pt (Apo-Pt@HP_WO3 NFs) exhibited highly selective and sensitive acetone response (Rair/Rgas = 10.80 ± 0.06 1 ppm) under high humidity atmosphere (90% RH). To investigate the potential suitability as exhaled breath analyzers, we tested three sensor arrays consisting of mesoporous WO3 NFs templated by MWCNTs (MP_WO3 NFs), HP_WO3 NFs, and Apo-Pt@HP_WO3 NFs. The result revealed that targeted acetone molecules were clearly classified against six different interfering molecules (H2S, C7H8, C2H5OH, CO, NH3 and CH4) through principle component analysis (PCA), confirming excellent acetone selectivity of the designed sensor arrays. | ||
| 650 | 4 | |a Chemical sensors | |
| 650 | 4 | |a Apoferritin | |
| 650 | 4 | |a Polystyrene beads | |
| 650 | 4 | |a Multi-walled carbon nanotubes | |
| 650 | 4 | |a Hierarchical porosity | |
| 650 | 4 | |a Simulated acetone breath | |
| 700 | 1 | |a Jang, Ji-Soo |e verfasserin |4 aut | |
| 700 | 1 | |a Koo, Won-Tae |e verfasserin |4 aut | |
| 700 | 1 | |a Choi, Seon-Jin |e verfasserin |4 aut | |
| 700 | 1 | |a Kim, Sang-Joon |e verfasserin |4 aut | |
| 700 | 1 | |a Kim, Il-Doo |e verfasserin |4 aut | |
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10.1016/j.snb.2017.12.051 doi (DE-627)ELV000491365 (ELSEVIER)S0925-4005(17)32377-8 DE-627 ger DE-627 rda eng 530 620 DE-600 50.22 bkl 35.07 bkl Kim, Dong-Ha verfasserin aut Hierarchically interconnected porosity control of catalyst-loaded WO 2017 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Electrospun WO3 nanofibers (NFs) with hierarchically interconnected porosity (HP_WO3 NFs) are designed by using dual sacrificial templates including zero-dimensional (0D) polystyrene (PS) colloids and one-dimensional (1D) multi-walled carbon nanotubes (MWCNTs). Multi-dimensionally interconnected pore-loaded structures offer much enhanced surface area and abundant gas penetration pathway into the inner sensing layers, which are essential requirements for effective gas adsorption-desorption reactions, fast gas diffusion, and high gas response. Moreover, such porous WO3 NFs are homogeneously decorated by Pt nanoparticles (Apo-Pt) encapsulated in a protein nanocage, i.e., apoferritin, which enables uniform catalyst sensitization in interior and exterior of highly gas accessible NFs. The HP_WO3 NFs sensitized by Apo-Pt (Apo-Pt@HP_WO3 NFs) exhibited highly selective and sensitive acetone response (Rair/Rgas = 10.80 ± 0.06 1 ppm) under high humidity atmosphere (90% RH). To investigate the potential suitability as exhaled breath analyzers, we tested three sensor arrays consisting of mesoporous WO3 NFs templated by MWCNTs (MP_WO3 NFs), HP_WO3 NFs, and Apo-Pt@HP_WO3 NFs. The result revealed that targeted acetone molecules were clearly classified against six different interfering molecules (H2S, C7H8, C2H5OH, CO, NH3 and CH4) through principle component analysis (PCA), confirming excellent acetone selectivity of the designed sensor arrays. Chemical sensors Apoferritin Polystyrene beads Multi-walled carbon nanotubes Hierarchical porosity Simulated acetone breath Jang, Ji-Soo verfasserin aut Koo, Won-Tae verfasserin aut Choi, Seon-Jin verfasserin aut Kim, Sang-Joon verfasserin aut Kim, Il-Doo verfasserin aut Enthalten in Sensors and actuators <Lausanne> / B Amsterdam [u.a.] : Elsevier Science, 1990 259, Seite 616-625 Online-Ressource (DE-627)306710358 (DE-600)1500731-5 (DE-576)082435855 0925-4005 nnns volume:259 pages:616-625 GBV_USEFLAG_U SYSFLAG_U GBV_ELV SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_187 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2007 GBV_ILN_2009 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2098 GBV_ILN_2106 GBV_ILN_2108 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 50.22 Sensorik 35.07 Chemisches Labor chemische Methoden AR 259 616-625 |
| spelling |
10.1016/j.snb.2017.12.051 doi (DE-627)ELV000491365 (ELSEVIER)S0925-4005(17)32377-8 DE-627 ger DE-627 rda eng 530 620 DE-600 50.22 bkl 35.07 bkl Kim, Dong-Ha verfasserin aut Hierarchically interconnected porosity control of catalyst-loaded WO 2017 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Electrospun WO3 nanofibers (NFs) with hierarchically interconnected porosity (HP_WO3 NFs) are designed by using dual sacrificial templates including zero-dimensional (0D) polystyrene (PS) colloids and one-dimensional (1D) multi-walled carbon nanotubes (MWCNTs). Multi-dimensionally interconnected pore-loaded structures offer much enhanced surface area and abundant gas penetration pathway into the inner sensing layers, which are essential requirements for effective gas adsorption-desorption reactions, fast gas diffusion, and high gas response. Moreover, such porous WO3 NFs are homogeneously decorated by Pt nanoparticles (Apo-Pt) encapsulated in a protein nanocage, i.e., apoferritin, which enables uniform catalyst sensitization in interior and exterior of highly gas accessible NFs. The HP_WO3 NFs sensitized by Apo-Pt (Apo-Pt@HP_WO3 NFs) exhibited highly selective and sensitive acetone response (Rair/Rgas = 10.80 ± 0.06 1 ppm) under high humidity atmosphere (90% RH). To investigate the potential suitability as exhaled breath analyzers, we tested three sensor arrays consisting of mesoporous WO3 NFs templated by MWCNTs (MP_WO3 NFs), HP_WO3 NFs, and Apo-Pt@HP_WO3 NFs. The result revealed that targeted acetone molecules were clearly classified against six different interfering molecules (H2S, C7H8, C2H5OH, CO, NH3 and CH4) through principle component analysis (PCA), confirming excellent acetone selectivity of the designed sensor arrays. Chemical sensors Apoferritin Polystyrene beads Multi-walled carbon nanotubes Hierarchical porosity Simulated acetone breath Jang, Ji-Soo verfasserin aut Koo, Won-Tae verfasserin aut Choi, Seon-Jin verfasserin aut Kim, Sang-Joon verfasserin aut Kim, Il-Doo verfasserin aut Enthalten in Sensors and actuators <Lausanne> / B Amsterdam [u.a.] : Elsevier Science, 1990 259, Seite 616-625 Online-Ressource (DE-627)306710358 (DE-600)1500731-5 (DE-576)082435855 0925-4005 nnns volume:259 pages:616-625 GBV_USEFLAG_U SYSFLAG_U GBV_ELV SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_187 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2007 GBV_ILN_2009 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2098 GBV_ILN_2106 GBV_ILN_2108 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 50.22 Sensorik 35.07 Chemisches Labor chemische Methoden AR 259 616-625 |
| allfields_unstemmed |
10.1016/j.snb.2017.12.051 doi (DE-627)ELV000491365 (ELSEVIER)S0925-4005(17)32377-8 DE-627 ger DE-627 rda eng 530 620 DE-600 50.22 bkl 35.07 bkl Kim, Dong-Ha verfasserin aut Hierarchically interconnected porosity control of catalyst-loaded WO 2017 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Electrospun WO3 nanofibers (NFs) with hierarchically interconnected porosity (HP_WO3 NFs) are designed by using dual sacrificial templates including zero-dimensional (0D) polystyrene (PS) colloids and one-dimensional (1D) multi-walled carbon nanotubes (MWCNTs). Multi-dimensionally interconnected pore-loaded structures offer much enhanced surface area and abundant gas penetration pathway into the inner sensing layers, which are essential requirements for effective gas adsorption-desorption reactions, fast gas diffusion, and high gas response. Moreover, such porous WO3 NFs are homogeneously decorated by Pt nanoparticles (Apo-Pt) encapsulated in a protein nanocage, i.e., apoferritin, which enables uniform catalyst sensitization in interior and exterior of highly gas accessible NFs. The HP_WO3 NFs sensitized by Apo-Pt (Apo-Pt@HP_WO3 NFs) exhibited highly selective and sensitive acetone response (Rair/Rgas = 10.80 ± 0.06 1 ppm) under high humidity atmosphere (90% RH). To investigate the potential suitability as exhaled breath analyzers, we tested three sensor arrays consisting of mesoporous WO3 NFs templated by MWCNTs (MP_WO3 NFs), HP_WO3 NFs, and Apo-Pt@HP_WO3 NFs. The result revealed that targeted acetone molecules were clearly classified against six different interfering molecules (H2S, C7H8, C2H5OH, CO, NH3 and CH4) through principle component analysis (PCA), confirming excellent acetone selectivity of the designed sensor arrays. Chemical sensors Apoferritin Polystyrene beads Multi-walled carbon nanotubes Hierarchical porosity Simulated acetone breath Jang, Ji-Soo verfasserin aut Koo, Won-Tae verfasserin aut Choi, Seon-Jin verfasserin aut Kim, Sang-Joon verfasserin aut Kim, Il-Doo verfasserin aut Enthalten in Sensors and actuators <Lausanne> / B Amsterdam [u.a.] : Elsevier Science, 1990 259, Seite 616-625 Online-Ressource (DE-627)306710358 (DE-600)1500731-5 (DE-576)082435855 0925-4005 nnns volume:259 pages:616-625 GBV_USEFLAG_U SYSFLAG_U GBV_ELV SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_187 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2007 GBV_ILN_2009 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2098 GBV_ILN_2106 GBV_ILN_2108 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 50.22 Sensorik 35.07 Chemisches Labor chemische Methoden AR 259 616-625 |
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10.1016/j.snb.2017.12.051 doi (DE-627)ELV000491365 (ELSEVIER)S0925-4005(17)32377-8 DE-627 ger DE-627 rda eng 530 620 DE-600 50.22 bkl 35.07 bkl Kim, Dong-Ha verfasserin aut Hierarchically interconnected porosity control of catalyst-loaded WO 2017 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Electrospun WO3 nanofibers (NFs) with hierarchically interconnected porosity (HP_WO3 NFs) are designed by using dual sacrificial templates including zero-dimensional (0D) polystyrene (PS) colloids and one-dimensional (1D) multi-walled carbon nanotubes (MWCNTs). Multi-dimensionally interconnected pore-loaded structures offer much enhanced surface area and abundant gas penetration pathway into the inner sensing layers, which are essential requirements for effective gas adsorption-desorption reactions, fast gas diffusion, and high gas response. Moreover, such porous WO3 NFs are homogeneously decorated by Pt nanoparticles (Apo-Pt) encapsulated in a protein nanocage, i.e., apoferritin, which enables uniform catalyst sensitization in interior and exterior of highly gas accessible NFs. The HP_WO3 NFs sensitized by Apo-Pt (Apo-Pt@HP_WO3 NFs) exhibited highly selective and sensitive acetone response (Rair/Rgas = 10.80 ± 0.06 1 ppm) under high humidity atmosphere (90% RH). To investigate the potential suitability as exhaled breath analyzers, we tested three sensor arrays consisting of mesoporous WO3 NFs templated by MWCNTs (MP_WO3 NFs), HP_WO3 NFs, and Apo-Pt@HP_WO3 NFs. The result revealed that targeted acetone molecules were clearly classified against six different interfering molecules (H2S, C7H8, C2H5OH, CO, NH3 and CH4) through principle component analysis (PCA), confirming excellent acetone selectivity of the designed sensor arrays. Chemical sensors Apoferritin Polystyrene beads Multi-walled carbon nanotubes Hierarchical porosity Simulated acetone breath Jang, Ji-Soo verfasserin aut Koo, Won-Tae verfasserin aut Choi, Seon-Jin verfasserin aut Kim, Sang-Joon verfasserin aut Kim, Il-Doo verfasserin aut Enthalten in Sensors and actuators <Lausanne> / B Amsterdam [u.a.] : Elsevier Science, 1990 259, Seite 616-625 Online-Ressource (DE-627)306710358 (DE-600)1500731-5 (DE-576)082435855 0925-4005 nnns volume:259 pages:616-625 GBV_USEFLAG_U SYSFLAG_U GBV_ELV SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_187 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2007 GBV_ILN_2009 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2098 GBV_ILN_2106 GBV_ILN_2108 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 50.22 Sensorik 35.07 Chemisches Labor chemische Methoden AR 259 616-625 |
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10.1016/j.snb.2017.12.051 doi (DE-627)ELV000491365 (ELSEVIER)S0925-4005(17)32377-8 DE-627 ger DE-627 rda eng 530 620 DE-600 50.22 bkl 35.07 bkl Kim, Dong-Ha verfasserin aut Hierarchically interconnected porosity control of catalyst-loaded WO 2017 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Electrospun WO3 nanofibers (NFs) with hierarchically interconnected porosity (HP_WO3 NFs) are designed by using dual sacrificial templates including zero-dimensional (0D) polystyrene (PS) colloids and one-dimensional (1D) multi-walled carbon nanotubes (MWCNTs). Multi-dimensionally interconnected pore-loaded structures offer much enhanced surface area and abundant gas penetration pathway into the inner sensing layers, which are essential requirements for effective gas adsorption-desorption reactions, fast gas diffusion, and high gas response. Moreover, such porous WO3 NFs are homogeneously decorated by Pt nanoparticles (Apo-Pt) encapsulated in a protein nanocage, i.e., apoferritin, which enables uniform catalyst sensitization in interior and exterior of highly gas accessible NFs. The HP_WO3 NFs sensitized by Apo-Pt (Apo-Pt@HP_WO3 NFs) exhibited highly selective and sensitive acetone response (Rair/Rgas = 10.80 ± 0.06 1 ppm) under high humidity atmosphere (90% RH). To investigate the potential suitability as exhaled breath analyzers, we tested three sensor arrays consisting of mesoporous WO3 NFs templated by MWCNTs (MP_WO3 NFs), HP_WO3 NFs, and Apo-Pt@HP_WO3 NFs. The result revealed that targeted acetone molecules were clearly classified against six different interfering molecules (H2S, C7H8, C2H5OH, CO, NH3 and CH4) through principle component analysis (PCA), confirming excellent acetone selectivity of the designed sensor arrays. Chemical sensors Apoferritin Polystyrene beads Multi-walled carbon nanotubes Hierarchical porosity Simulated acetone breath Jang, Ji-Soo verfasserin aut Koo, Won-Tae verfasserin aut Choi, Seon-Jin verfasserin aut Kim, Sang-Joon verfasserin aut Kim, Il-Doo verfasserin aut Enthalten in Sensors and actuators <Lausanne> / B Amsterdam [u.a.] : Elsevier Science, 1990 259, Seite 616-625 Online-Ressource (DE-627)306710358 (DE-600)1500731-5 (DE-576)082435855 0925-4005 nnns volume:259 pages:616-625 GBV_USEFLAG_U SYSFLAG_U GBV_ELV SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_187 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2007 GBV_ILN_2009 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2098 GBV_ILN_2106 GBV_ILN_2108 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 50.22 Sensorik 35.07 Chemisches Labor chemische Methoden AR 259 616-625 |
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Enthalten in Sensors and actuators <Lausanne> / B 259, Seite 616-625 volume:259 pages:616-625 |
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Chemical sensors Apoferritin Polystyrene beads Multi-walled carbon nanotubes Hierarchical porosity Simulated acetone breath |
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Kim, Dong-Ha @@aut@@ Jang, Ji-Soo @@aut@@ Koo, Won-Tae @@aut@@ Choi, Seon-Jin @@aut@@ Kim, Sang-Joon @@aut@@ Kim, Il-Doo @@aut@@ |
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2017-01-01T00:00:00Z |
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Kim, Dong-Ha |
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Kim, Dong-Ha ddc 530 bkl 50.22 bkl 35.07 misc Chemical sensors misc Apoferritin misc Polystyrene beads misc Multi-walled carbon nanotubes misc Hierarchical porosity misc Simulated acetone breath Hierarchically interconnected porosity control of catalyst-loaded WO |
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530 620 DE-600 50.22 bkl 35.07 bkl Hierarchically interconnected porosity control of catalyst-loaded WO Chemical sensors Apoferritin Polystyrene beads Multi-walled carbon nanotubes Hierarchical porosity Simulated acetone breath |
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ddc 530 bkl 50.22 bkl 35.07 misc Chemical sensors misc Apoferritin misc Polystyrene beads misc Multi-walled carbon nanotubes misc Hierarchical porosity misc Simulated acetone breath |
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ddc 530 bkl 50.22 bkl 35.07 misc Chemical sensors misc Apoferritin misc Polystyrene beads misc Multi-walled carbon nanotubes misc Hierarchical porosity misc Simulated acetone breath |
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ddc 530 bkl 50.22 bkl 35.07 misc Chemical sensors misc Apoferritin misc Polystyrene beads misc Multi-walled carbon nanotubes misc Hierarchical porosity misc Simulated acetone breath |
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Hierarchically interconnected porosity control of catalyst-loaded WO |
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Hierarchically interconnected porosity control of catalyst-loaded WO |
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Kim, Dong-Ha |
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Kim, Dong-Ha Jang, Ji-Soo Koo, Won-Tae Choi, Seon-Jin Kim, Sang-Joon Kim, Il-Doo |
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10.1016/j.snb.2017.12.051 |
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hierarchically interconnected porosity control of catalyst-loaded wo |
| title_auth |
Hierarchically interconnected porosity control of catalyst-loaded WO |
| abstract |
Electrospun WO3 nanofibers (NFs) with hierarchically interconnected porosity (HP_WO3 NFs) are designed by using dual sacrificial templates including zero-dimensional (0D) polystyrene (PS) colloids and one-dimensional (1D) multi-walled carbon nanotubes (MWCNTs). Multi-dimensionally interconnected pore-loaded structures offer much enhanced surface area and abundant gas penetration pathway into the inner sensing layers, which are essential requirements for effective gas adsorption-desorption reactions, fast gas diffusion, and high gas response. Moreover, such porous WO3 NFs are homogeneously decorated by Pt nanoparticles (Apo-Pt) encapsulated in a protein nanocage, i.e., apoferritin, which enables uniform catalyst sensitization in interior and exterior of highly gas accessible NFs. The HP_WO3 NFs sensitized by Apo-Pt (Apo-Pt@HP_WO3 NFs) exhibited highly selective and sensitive acetone response (Rair/Rgas = 10.80 ± 0.06 1 ppm) under high humidity atmosphere (90% RH). To investigate the potential suitability as exhaled breath analyzers, we tested three sensor arrays consisting of mesoporous WO3 NFs templated by MWCNTs (MP_WO3 NFs), HP_WO3 NFs, and Apo-Pt@HP_WO3 NFs. The result revealed that targeted acetone molecules were clearly classified against six different interfering molecules (H2S, C7H8, C2H5OH, CO, NH3 and CH4) through principle component analysis (PCA), confirming excellent acetone selectivity of the designed sensor arrays. |
| abstractGer |
Electrospun WO3 nanofibers (NFs) with hierarchically interconnected porosity (HP_WO3 NFs) are designed by using dual sacrificial templates including zero-dimensional (0D) polystyrene (PS) colloids and one-dimensional (1D) multi-walled carbon nanotubes (MWCNTs). Multi-dimensionally interconnected pore-loaded structures offer much enhanced surface area and abundant gas penetration pathway into the inner sensing layers, which are essential requirements for effective gas adsorption-desorption reactions, fast gas diffusion, and high gas response. Moreover, such porous WO3 NFs are homogeneously decorated by Pt nanoparticles (Apo-Pt) encapsulated in a protein nanocage, i.e., apoferritin, which enables uniform catalyst sensitization in interior and exterior of highly gas accessible NFs. The HP_WO3 NFs sensitized by Apo-Pt (Apo-Pt@HP_WO3 NFs) exhibited highly selective and sensitive acetone response (Rair/Rgas = 10.80 ± 0.06 1 ppm) under high humidity atmosphere (90% RH). To investigate the potential suitability as exhaled breath analyzers, we tested three sensor arrays consisting of mesoporous WO3 NFs templated by MWCNTs (MP_WO3 NFs), HP_WO3 NFs, and Apo-Pt@HP_WO3 NFs. The result revealed that targeted acetone molecules were clearly classified against six different interfering molecules (H2S, C7H8, C2H5OH, CO, NH3 and CH4) through principle component analysis (PCA), confirming excellent acetone selectivity of the designed sensor arrays. |
| abstract_unstemmed |
Electrospun WO3 nanofibers (NFs) with hierarchically interconnected porosity (HP_WO3 NFs) are designed by using dual sacrificial templates including zero-dimensional (0D) polystyrene (PS) colloids and one-dimensional (1D) multi-walled carbon nanotubes (MWCNTs). Multi-dimensionally interconnected pore-loaded structures offer much enhanced surface area and abundant gas penetration pathway into the inner sensing layers, which are essential requirements for effective gas adsorption-desorption reactions, fast gas diffusion, and high gas response. Moreover, such porous WO3 NFs are homogeneously decorated by Pt nanoparticles (Apo-Pt) encapsulated in a protein nanocage, i.e., apoferritin, which enables uniform catalyst sensitization in interior and exterior of highly gas accessible NFs. The HP_WO3 NFs sensitized by Apo-Pt (Apo-Pt@HP_WO3 NFs) exhibited highly selective and sensitive acetone response (Rair/Rgas = 10.80 ± 0.06 1 ppm) under high humidity atmosphere (90% RH). To investigate the potential suitability as exhaled breath analyzers, we tested three sensor arrays consisting of mesoporous WO3 NFs templated by MWCNTs (MP_WO3 NFs), HP_WO3 NFs, and Apo-Pt@HP_WO3 NFs. The result revealed that targeted acetone molecules were clearly classified against six different interfering molecules (H2S, C7H8, C2H5OH, CO, NH3 and CH4) through principle component analysis (PCA), confirming excellent acetone selectivity of the designed sensor arrays. |
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Hierarchically interconnected porosity control of catalyst-loaded WO |
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Multi-dimensionally interconnected pore-loaded structures offer much enhanced surface area and abundant gas penetration pathway into the inner sensing layers, which are essential requirements for effective gas adsorption-desorption reactions, fast gas diffusion, and high gas response. Moreover, such porous WO3 NFs are homogeneously decorated by Pt nanoparticles (Apo-Pt) encapsulated in a protein nanocage, i.e., apoferritin, which enables uniform catalyst sensitization in interior and exterior of highly gas accessible NFs. The HP_WO3 NFs sensitized by Apo-Pt (Apo-Pt@HP_WO3 NFs) exhibited highly selective and sensitive acetone response (Rair/Rgas = 10.80 ± 0.06 1 ppm) under high humidity atmosphere (90% RH). To investigate the potential suitability as exhaled breath analyzers, we tested three sensor arrays consisting of mesoporous WO3 NFs templated by MWCNTs (MP_WO3 NFs), HP_WO3 NFs, and Apo-Pt@HP_WO3 NFs. 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