Photocatalytic and Electrocatalytic Properties of Cu-Loaded ZIF-67-Derivatized Bean Sprout-Like Co-TiO<sub<2</sub</Ti Nanostructures
ZIF-derivatized catalysts have shown high potential in catalysis. Herein, bean sprout-like Co-TiO<sub<2</sub</Ti nanostructures were first synthesized by thermal treatment at 800 °C under Ar-flow conditions using sacrificial ZIF-67 templated on Ti sheets. It was observed that ZIF-67 on T...
Ausführliche Beschreibung
Autor*in: |
Hye Ji Jang [verfasserIn] So Jeong Park [verfasserIn] Ju Hyun Yang [verfasserIn] Sung-Min Hong [verfasserIn] Choong Kyun Rhee [verfasserIn] Youngku Sohn [verfasserIn] |
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E-Artikel |
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Sprache: |
Englisch |
Erschienen: |
2021 |
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Übergeordnetes Werk: |
In: Nanomaterials - MDPI AG, 2012, 11(2021), 8, p 1904 |
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Übergeordnetes Werk: |
volume:11 ; year:2021 ; number:8, p 1904 |
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DOI / URN: |
10.3390/nano11081904 |
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Katalog-ID: |
DOAJ054840589 |
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10.3390/nano11081904 doi (DE-627)DOAJ054840589 (DE-599)DOAJb3c16d8dcd0a454ab5ee3143128f2492 DE-627 ger DE-627 rakwb eng QD1-999 Hye Ji Jang verfasserin aut Photocatalytic and Electrocatalytic Properties of Cu-Loaded ZIF-67-Derivatized Bean Sprout-Like Co-TiO<sub<2</sub</Ti Nanostructures 2021 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier ZIF-derivatized catalysts have shown high potential in catalysis. Herein, bean sprout-like Co-TiO<sub<2</sub</Ti nanostructures were first synthesized by thermal treatment at 800 °C under Ar-flow conditions using sacrificial ZIF-67 templated on Ti sheets. It was observed that ZIF-67 on Ti sheets started to thermally decompose at around 350 °C and was converted to the cubic phase Co<sub<3</sub<O<sub<4</sub<. The head of the bean sprout structure was observed to be Co<sub<3</sub<O<sub<4</sub<, while the stem showed a crystal structure of rutile TiO<sub<2</sub< grown from the metallic Ti support. Cu sputter-deposited Co-TiO<sub<2</sub</Ti nanostructures were also prepared for photocatalytic and electrocatalytic CO<sub<2</sub< reduction performances, as well as electrochemical oxygen reaction (OER). Gas chromatography results after photocatalytic CO<sub<2</sub< reduction showed that CH<sub<3</sub<OH, CO and CH<sub<4</sub< were produced as major products with the highest MeOH selectivity of 64% and minor C<sub<2</sub< compounds of C<sub<2</sub<H<sub<2</sub<, C<sub<2</sub<H<sub<4</sub< and C<sub<2</sub<H<sub<6</sub<. For electrocatalytic CO<sub<2</sub< reduction, CO, CH<sub<4</sub< and C<sub<2</sub<H<sub<4</sub< were meaningfully detected, but H<sub<2</sub< was dominantly produced. The amounts were observed to be dependent on the Cu deposition amount. Electrochemical OER performances in 0.1 M KOH electrolyte exhibited onset overpotentials of 330–430 mV (vs. RHE) and Tafel slopes of 117–134 mV/dec that were dependent on Cu-loading thickness. The present unique results provide useful information for synthesis of bean sprout-like Co-TiO<sub<2</sub</Ti hybrid nanostructures and their applications to CO<sub<2</sub< reduction and electrochemical water splitting in energy and environmental fields. ZIF-67 Co-TiO<sub<2</sub</Ti photocatalytic CO<sub<2</sub< reduction electrocatalytic CO<sub<2</sub< reduction oxygen evolution reaction water splitting Chemistry So Jeong Park verfasserin aut Ju Hyun Yang verfasserin aut Sung-Min Hong verfasserin aut Choong Kyun Rhee verfasserin aut Youngku Sohn verfasserin aut In Nanomaterials MDPI AG, 2012 11(2021), 8, p 1904 (DE-627)718627199 (DE-600)2662255-5 20794991 nnns volume:11 year:2021 number:8, p 1904 https://doi.org/10.3390/nano11081904 kostenfrei https://doaj.org/article/b3c16d8dcd0a454ab5ee3143128f2492 kostenfrei https://www.mdpi.com/2079-4991/11/8/1904 kostenfrei https://doaj.org/toc/2079-4991 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 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_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_2055 GBV_ILN_2108 GBV_ILN_2119 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 11 2021 8, p 1904 |
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10.3390/nano11081904 doi (DE-627)DOAJ054840589 (DE-599)DOAJb3c16d8dcd0a454ab5ee3143128f2492 DE-627 ger DE-627 rakwb eng QD1-999 Hye Ji Jang verfasserin aut Photocatalytic and Electrocatalytic Properties of Cu-Loaded ZIF-67-Derivatized Bean Sprout-Like Co-TiO<sub<2</sub</Ti Nanostructures 2021 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier ZIF-derivatized catalysts have shown high potential in catalysis. Herein, bean sprout-like Co-TiO<sub<2</sub</Ti nanostructures were first synthesized by thermal treatment at 800 °C under Ar-flow conditions using sacrificial ZIF-67 templated on Ti sheets. It was observed that ZIF-67 on Ti sheets started to thermally decompose at around 350 °C and was converted to the cubic phase Co<sub<3</sub<O<sub<4</sub<. The head of the bean sprout structure was observed to be Co<sub<3</sub<O<sub<4</sub<, while the stem showed a crystal structure of rutile TiO<sub<2</sub< grown from the metallic Ti support. Cu sputter-deposited Co-TiO<sub<2</sub</Ti nanostructures were also prepared for photocatalytic and electrocatalytic CO<sub<2</sub< reduction performances, as well as electrochemical oxygen reaction (OER). Gas chromatography results after photocatalytic CO<sub<2</sub< reduction showed that CH<sub<3</sub<OH, CO and CH<sub<4</sub< were produced as major products with the highest MeOH selectivity of 64% and minor C<sub<2</sub< compounds of C<sub<2</sub<H<sub<2</sub<, C<sub<2</sub<H<sub<4</sub< and C<sub<2</sub<H<sub<6</sub<. For electrocatalytic CO<sub<2</sub< reduction, CO, CH<sub<4</sub< and C<sub<2</sub<H<sub<4</sub< were meaningfully detected, but H<sub<2</sub< was dominantly produced. The amounts were observed to be dependent on the Cu deposition amount. Electrochemical OER performances in 0.1 M KOH electrolyte exhibited onset overpotentials of 330–430 mV (vs. RHE) and Tafel slopes of 117–134 mV/dec that were dependent on Cu-loading thickness. The present unique results provide useful information for synthesis of bean sprout-like Co-TiO<sub<2</sub</Ti hybrid nanostructures and their applications to CO<sub<2</sub< reduction and electrochemical water splitting in energy and environmental fields. ZIF-67 Co-TiO<sub<2</sub</Ti photocatalytic CO<sub<2</sub< reduction electrocatalytic CO<sub<2</sub< reduction oxygen evolution reaction water splitting Chemistry So Jeong Park verfasserin aut Ju Hyun Yang verfasserin aut Sung-Min Hong verfasserin aut Choong Kyun Rhee verfasserin aut Youngku Sohn verfasserin aut In Nanomaterials MDPI AG, 2012 11(2021), 8, p 1904 (DE-627)718627199 (DE-600)2662255-5 20794991 nnns volume:11 year:2021 number:8, p 1904 https://doi.org/10.3390/nano11081904 kostenfrei https://doaj.org/article/b3c16d8dcd0a454ab5ee3143128f2492 kostenfrei https://www.mdpi.com/2079-4991/11/8/1904 kostenfrei https://doaj.org/toc/2079-4991 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 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_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_2055 GBV_ILN_2108 GBV_ILN_2119 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 11 2021 8, p 1904 |
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10.3390/nano11081904 doi (DE-627)DOAJ054840589 (DE-599)DOAJb3c16d8dcd0a454ab5ee3143128f2492 DE-627 ger DE-627 rakwb eng QD1-999 Hye Ji Jang verfasserin aut Photocatalytic and Electrocatalytic Properties of Cu-Loaded ZIF-67-Derivatized Bean Sprout-Like Co-TiO<sub<2</sub</Ti Nanostructures 2021 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier ZIF-derivatized catalysts have shown high potential in catalysis. Herein, bean sprout-like Co-TiO<sub<2</sub</Ti nanostructures were first synthesized by thermal treatment at 800 °C under Ar-flow conditions using sacrificial ZIF-67 templated on Ti sheets. It was observed that ZIF-67 on Ti sheets started to thermally decompose at around 350 °C and was converted to the cubic phase Co<sub<3</sub<O<sub<4</sub<. The head of the bean sprout structure was observed to be Co<sub<3</sub<O<sub<4</sub<, while the stem showed a crystal structure of rutile TiO<sub<2</sub< grown from the metallic Ti support. Cu sputter-deposited Co-TiO<sub<2</sub</Ti nanostructures were also prepared for photocatalytic and electrocatalytic CO<sub<2</sub< reduction performances, as well as electrochemical oxygen reaction (OER). Gas chromatography results after photocatalytic CO<sub<2</sub< reduction showed that CH<sub<3</sub<OH, CO and CH<sub<4</sub< were produced as major products with the highest MeOH selectivity of 64% and minor C<sub<2</sub< compounds of C<sub<2</sub<H<sub<2</sub<, C<sub<2</sub<H<sub<4</sub< and C<sub<2</sub<H<sub<6</sub<. For electrocatalytic CO<sub<2</sub< reduction, CO, CH<sub<4</sub< and C<sub<2</sub<H<sub<4</sub< were meaningfully detected, but H<sub<2</sub< was dominantly produced. The amounts were observed to be dependent on the Cu deposition amount. Electrochemical OER performances in 0.1 M KOH electrolyte exhibited onset overpotentials of 330–430 mV (vs. RHE) and Tafel slopes of 117–134 mV/dec that were dependent on Cu-loading thickness. The present unique results provide useful information for synthesis of bean sprout-like Co-TiO<sub<2</sub</Ti hybrid nanostructures and their applications to CO<sub<2</sub< reduction and electrochemical water splitting in energy and environmental fields. ZIF-67 Co-TiO<sub<2</sub</Ti photocatalytic CO<sub<2</sub< reduction electrocatalytic CO<sub<2</sub< reduction oxygen evolution reaction water splitting Chemistry So Jeong Park verfasserin aut Ju Hyun Yang verfasserin aut Sung-Min Hong verfasserin aut Choong Kyun Rhee verfasserin aut Youngku Sohn verfasserin aut In Nanomaterials MDPI AG, 2012 11(2021), 8, p 1904 (DE-627)718627199 (DE-600)2662255-5 20794991 nnns volume:11 year:2021 number:8, p 1904 https://doi.org/10.3390/nano11081904 kostenfrei https://doaj.org/article/b3c16d8dcd0a454ab5ee3143128f2492 kostenfrei https://www.mdpi.com/2079-4991/11/8/1904 kostenfrei https://doaj.org/toc/2079-4991 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 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_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_2055 GBV_ILN_2108 GBV_ILN_2119 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 11 2021 8, p 1904 |
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10.3390/nano11081904 doi (DE-627)DOAJ054840589 (DE-599)DOAJb3c16d8dcd0a454ab5ee3143128f2492 DE-627 ger DE-627 rakwb eng QD1-999 Hye Ji Jang verfasserin aut Photocatalytic and Electrocatalytic Properties of Cu-Loaded ZIF-67-Derivatized Bean Sprout-Like Co-TiO<sub<2</sub</Ti Nanostructures 2021 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier ZIF-derivatized catalysts have shown high potential in catalysis. Herein, bean sprout-like Co-TiO<sub<2</sub</Ti nanostructures were first synthesized by thermal treatment at 800 °C under Ar-flow conditions using sacrificial ZIF-67 templated on Ti sheets. It was observed that ZIF-67 on Ti sheets started to thermally decompose at around 350 °C and was converted to the cubic phase Co<sub<3</sub<O<sub<4</sub<. The head of the bean sprout structure was observed to be Co<sub<3</sub<O<sub<4</sub<, while the stem showed a crystal structure of rutile TiO<sub<2</sub< grown from the metallic Ti support. Cu sputter-deposited Co-TiO<sub<2</sub</Ti nanostructures were also prepared for photocatalytic and electrocatalytic CO<sub<2</sub< reduction performances, as well as electrochemical oxygen reaction (OER). Gas chromatography results after photocatalytic CO<sub<2</sub< reduction showed that CH<sub<3</sub<OH, CO and CH<sub<4</sub< were produced as major products with the highest MeOH selectivity of 64% and minor C<sub<2</sub< compounds of C<sub<2</sub<H<sub<2</sub<, C<sub<2</sub<H<sub<4</sub< and C<sub<2</sub<H<sub<6</sub<. For electrocatalytic CO<sub<2</sub< reduction, CO, CH<sub<4</sub< and C<sub<2</sub<H<sub<4</sub< were meaningfully detected, but H<sub<2</sub< was dominantly produced. The amounts were observed to be dependent on the Cu deposition amount. Electrochemical OER performances in 0.1 M KOH electrolyte exhibited onset overpotentials of 330–430 mV (vs. RHE) and Tafel slopes of 117–134 mV/dec that were dependent on Cu-loading thickness. The present unique results provide useful information for synthesis of bean sprout-like Co-TiO<sub<2</sub</Ti hybrid nanostructures and their applications to CO<sub<2</sub< reduction and electrochemical water splitting in energy and environmental fields. ZIF-67 Co-TiO<sub<2</sub</Ti photocatalytic CO<sub<2</sub< reduction electrocatalytic CO<sub<2</sub< reduction oxygen evolution reaction water splitting Chemistry So Jeong Park verfasserin aut Ju Hyun Yang verfasserin aut Sung-Min Hong verfasserin aut Choong Kyun Rhee verfasserin aut Youngku Sohn verfasserin aut In Nanomaterials MDPI AG, 2012 11(2021), 8, p 1904 (DE-627)718627199 (DE-600)2662255-5 20794991 nnns volume:11 year:2021 number:8, p 1904 https://doi.org/10.3390/nano11081904 kostenfrei https://doaj.org/article/b3c16d8dcd0a454ab5ee3143128f2492 kostenfrei https://www.mdpi.com/2079-4991/11/8/1904 kostenfrei https://doaj.org/toc/2079-4991 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 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_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_2055 GBV_ILN_2108 GBV_ILN_2119 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 11 2021 8, p 1904 |
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photocatalytic and electrocatalytic properties of cu-loaded zif-67-derivatized bean sprout-like co-tio<sub<2</sub</ti nanostructures |
callnumber |
QD1-999 |
title_auth |
Photocatalytic and Electrocatalytic Properties of Cu-Loaded ZIF-67-Derivatized Bean Sprout-Like Co-TiO<sub<2</sub</Ti Nanostructures |
abstract |
ZIF-derivatized catalysts have shown high potential in catalysis. Herein, bean sprout-like Co-TiO<sub<2</sub</Ti nanostructures were first synthesized by thermal treatment at 800 °C under Ar-flow conditions using sacrificial ZIF-67 templated on Ti sheets. It was observed that ZIF-67 on Ti sheets started to thermally decompose at around 350 °C and was converted to the cubic phase Co<sub<3</sub<O<sub<4</sub<. The head of the bean sprout structure was observed to be Co<sub<3</sub<O<sub<4</sub<, while the stem showed a crystal structure of rutile TiO<sub<2</sub< grown from the metallic Ti support. Cu sputter-deposited Co-TiO<sub<2</sub</Ti nanostructures were also prepared for photocatalytic and electrocatalytic CO<sub<2</sub< reduction performances, as well as electrochemical oxygen reaction (OER). Gas chromatography results after photocatalytic CO<sub<2</sub< reduction showed that CH<sub<3</sub<OH, CO and CH<sub<4</sub< were produced as major products with the highest MeOH selectivity of 64% and minor C<sub<2</sub< compounds of C<sub<2</sub<H<sub<2</sub<, C<sub<2</sub<H<sub<4</sub< and C<sub<2</sub<H<sub<6</sub<. For electrocatalytic CO<sub<2</sub< reduction, CO, CH<sub<4</sub< and C<sub<2</sub<H<sub<4</sub< were meaningfully detected, but H<sub<2</sub< was dominantly produced. The amounts were observed to be dependent on the Cu deposition amount. Electrochemical OER performances in 0.1 M KOH electrolyte exhibited onset overpotentials of 330–430 mV (vs. RHE) and Tafel slopes of 117–134 mV/dec that were dependent on Cu-loading thickness. The present unique results provide useful information for synthesis of bean sprout-like Co-TiO<sub<2</sub</Ti hybrid nanostructures and their applications to CO<sub<2</sub< reduction and electrochemical water splitting in energy and environmental fields. |
abstractGer |
ZIF-derivatized catalysts have shown high potential in catalysis. Herein, bean sprout-like Co-TiO<sub<2</sub</Ti nanostructures were first synthesized by thermal treatment at 800 °C under Ar-flow conditions using sacrificial ZIF-67 templated on Ti sheets. It was observed that ZIF-67 on Ti sheets started to thermally decompose at around 350 °C and was converted to the cubic phase Co<sub<3</sub<O<sub<4</sub<. The head of the bean sprout structure was observed to be Co<sub<3</sub<O<sub<4</sub<, while the stem showed a crystal structure of rutile TiO<sub<2</sub< grown from the metallic Ti support. Cu sputter-deposited Co-TiO<sub<2</sub</Ti nanostructures were also prepared for photocatalytic and electrocatalytic CO<sub<2</sub< reduction performances, as well as electrochemical oxygen reaction (OER). Gas chromatography results after photocatalytic CO<sub<2</sub< reduction showed that CH<sub<3</sub<OH, CO and CH<sub<4</sub< were produced as major products with the highest MeOH selectivity of 64% and minor C<sub<2</sub< compounds of C<sub<2</sub<H<sub<2</sub<, C<sub<2</sub<H<sub<4</sub< and C<sub<2</sub<H<sub<6</sub<. For electrocatalytic CO<sub<2</sub< reduction, CO, CH<sub<4</sub< and C<sub<2</sub<H<sub<4</sub< were meaningfully detected, but H<sub<2</sub< was dominantly produced. The amounts were observed to be dependent on the Cu deposition amount. Electrochemical OER performances in 0.1 M KOH electrolyte exhibited onset overpotentials of 330–430 mV (vs. RHE) and Tafel slopes of 117–134 mV/dec that were dependent on Cu-loading thickness. The present unique results provide useful information for synthesis of bean sprout-like Co-TiO<sub<2</sub</Ti hybrid nanostructures and their applications to CO<sub<2</sub< reduction and electrochemical water splitting in energy and environmental fields. |
abstract_unstemmed |
ZIF-derivatized catalysts have shown high potential in catalysis. Herein, bean sprout-like Co-TiO<sub<2</sub</Ti nanostructures were first synthesized by thermal treatment at 800 °C under Ar-flow conditions using sacrificial ZIF-67 templated on Ti sheets. It was observed that ZIF-67 on Ti sheets started to thermally decompose at around 350 °C and was converted to the cubic phase Co<sub<3</sub<O<sub<4</sub<. The head of the bean sprout structure was observed to be Co<sub<3</sub<O<sub<4</sub<, while the stem showed a crystal structure of rutile TiO<sub<2</sub< grown from the metallic Ti support. Cu sputter-deposited Co-TiO<sub<2</sub</Ti nanostructures were also prepared for photocatalytic and electrocatalytic CO<sub<2</sub< reduction performances, as well as electrochemical oxygen reaction (OER). Gas chromatography results after photocatalytic CO<sub<2</sub< reduction showed that CH<sub<3</sub<OH, CO and CH<sub<4</sub< were produced as major products with the highest MeOH selectivity of 64% and minor C<sub<2</sub< compounds of C<sub<2</sub<H<sub<2</sub<, C<sub<2</sub<H<sub<4</sub< and C<sub<2</sub<H<sub<6</sub<. For electrocatalytic CO<sub<2</sub< reduction, CO, CH<sub<4</sub< and C<sub<2</sub<H<sub<4</sub< were meaningfully detected, but H<sub<2</sub< was dominantly produced. The amounts were observed to be dependent on the Cu deposition amount. Electrochemical OER performances in 0.1 M KOH electrolyte exhibited onset overpotentials of 330–430 mV (vs. RHE) and Tafel slopes of 117–134 mV/dec that were dependent on Cu-loading thickness. The present unique results provide useful information for synthesis of bean sprout-like Co-TiO<sub<2</sub</Ti hybrid nanostructures and their applications to CO<sub<2</sub< reduction and electrochemical water splitting in energy and environmental fields. |
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container_issue |
8, p 1904 |
title_short |
Photocatalytic and Electrocatalytic Properties of Cu-Loaded ZIF-67-Derivatized Bean Sprout-Like Co-TiO<sub<2</sub</Ti Nanostructures |
url |
https://doi.org/10.3390/nano11081904 https://doaj.org/article/b3c16d8dcd0a454ab5ee3143128f2492 https://www.mdpi.com/2079-4991/11/8/1904 https://doaj.org/toc/2079-4991 |
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So Jeong Park Ju Hyun Yang Sung-Min Hong Choong Kyun Rhee Youngku Sohn |
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So Jeong Park Ju Hyun Yang Sung-Min Hong Choong Kyun Rhee Youngku Sohn |
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up_date |
2024-07-04T00:48:59.416Z |
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