Electrochemical sensitivity of undoped CVD diamond films as function of their crystalline quality
The amorphous, sp 2-hybridized carbon admixture can play an important role in governing electrochemical properties of diamond layers. From the viewpoint of electrochemistry, heavily boron-doped CVD diamond layers at the level of 1020 atom/cm3 are mainly used. However such a heavy dopin...
Ausführliche Beschreibung
Autor*in: |
Kowalska, Magdalena [verfasserIn] Paprocki, Kazimierz [verfasserIn] Szybowicz, Mirosław [verfasserIn] Wrzyszczyński, Andrzej [verfasserIn] Łoś, Szymon [verfasserIn] Fabisiak, Kazimierz [verfasserIn] |
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Format: |
E-Artikel |
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Sprache: |
Englisch |
Erschienen: |
2020 |
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Schlagwörter: |
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Übergeordnetes Werk: |
Enthalten in: Journal of electroanalytical chemistry - New York, NY [u.a.] : Elsevier, 1959, 859 |
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Übergeordnetes Werk: |
volume:859 |
DOI / URN: |
10.1016/j.jelechem.2019.113811 |
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Katalog-ID: |
ELV003732789 |
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520 | |a The amorphous, sp 2-hybridized carbon admixture can play an important role in governing electrochemical properties of diamond layers. From the viewpoint of electrochemistry, heavily boron-doped CVD diamond layers at the level of 1020 atom/cm3 are mainly used. However such a heavy doping can lead to a significant deterioration of the crystalline structure. In the present paper, it has been shown that the electrochemical sensitivity of the undoped diamond electrode is sufficient that overcomes the problem of diamond doping. In this case, we believe that the sp 2 amorphous carbon phase admixture can be responsible for electrochemical activity. In order to prove the above hypothesis a series of six electrodes have been fabricated based on the hot filament CVD method of diamond synthesis. Variations in the layer growth conditions lead to its different crystallinity and the content of the amorphous carbon phase. The structural parameters of the obtained electrodes were examined using the Raman spectroscopy, while the electrochemical response of diamond electrode was studied using cyclic voltammetry measurements in 0.1 M KCl and the impedance spectroscopy as well. It has been revealed that in the aspect of chemical and biological applications the obtained materials used as sensing probe possess relatively good electrochemical sensitivity and a wide potential window. | ||
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10.1016/j.jelechem.2019.113811 doi (DE-627)ELV003732789 (ELSEVIER)S1572-6657(19)31079-3 DE-627 ger DE-627 rda eng 540 620 DE-600 35.27 bkl Kowalska, Magdalena verfasserin aut Electrochemical sensitivity of undoped CVD diamond films as function of their crystalline quality 2020 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The amorphous, sp 2-hybridized carbon admixture can play an important role in governing electrochemical properties of diamond layers. From the viewpoint of electrochemistry, heavily boron-doped CVD diamond layers at the level of 1020 atom/cm3 are mainly used. However such a heavy doping can lead to a significant deterioration of the crystalline structure. In the present paper, it has been shown that the electrochemical sensitivity of the undoped diamond electrode is sufficient that overcomes the problem of diamond doping. In this case, we believe that the sp 2 amorphous carbon phase admixture can be responsible for electrochemical activity. In order to prove the above hypothesis a series of six electrodes have been fabricated based on the hot filament CVD method of diamond synthesis. Variations in the layer growth conditions lead to its different crystallinity and the content of the amorphous carbon phase. The structural parameters of the obtained electrodes were examined using the Raman spectroscopy, while the electrochemical response of diamond electrode was studied using cyclic voltammetry measurements in 0.1 M KCl and the impedance spectroscopy as well. It has been revealed that in the aspect of chemical and biological applications the obtained materials used as sensing probe possess relatively good electrochemical sensitivity and a wide potential window. Electrochemical sensitivity CVD diamond Raman spectroscopy Cyclic voltammetry Impedance Paprocki, Kazimierz verfasserin aut Szybowicz, Mirosław verfasserin (orcid)0000-0001-8933-571X aut Wrzyszczyński, Andrzej verfasserin aut Łoś, Szymon verfasserin (orcid)0000-0003-2479-619X aut Fabisiak, Kazimierz verfasserin aut Enthalten in Journal of electroanalytical chemistry New York, NY [u.a.] : Elsevier, 1959 859 Online-Ressource (DE-627)302466533 (DE-600)1491150-4 (DE-576)098614797 1873-2569 nnns volume:859 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_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 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_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 35.27 Elektrochemische Analyse AR 859 |
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10.1016/j.jelechem.2019.113811 doi (DE-627)ELV003732789 (ELSEVIER)S1572-6657(19)31079-3 DE-627 ger DE-627 rda eng 540 620 DE-600 35.27 bkl Kowalska, Magdalena verfasserin aut Electrochemical sensitivity of undoped CVD diamond films as function of their crystalline quality 2020 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The amorphous, sp 2-hybridized carbon admixture can play an important role in governing electrochemical properties of diamond layers. From the viewpoint of electrochemistry, heavily boron-doped CVD diamond layers at the level of 1020 atom/cm3 are mainly used. However such a heavy doping can lead to a significant deterioration of the crystalline structure. In the present paper, it has been shown that the electrochemical sensitivity of the undoped diamond electrode is sufficient that overcomes the problem of diamond doping. In this case, we believe that the sp 2 amorphous carbon phase admixture can be responsible for electrochemical activity. In order to prove the above hypothesis a series of six electrodes have been fabricated based on the hot filament CVD method of diamond synthesis. Variations in the layer growth conditions lead to its different crystallinity and the content of the amorphous carbon phase. The structural parameters of the obtained electrodes were examined using the Raman spectroscopy, while the electrochemical response of diamond electrode was studied using cyclic voltammetry measurements in 0.1 M KCl and the impedance spectroscopy as well. It has been revealed that in the aspect of chemical and biological applications the obtained materials used as sensing probe possess relatively good electrochemical sensitivity and a wide potential window. Electrochemical sensitivity CVD diamond Raman spectroscopy Cyclic voltammetry Impedance Paprocki, Kazimierz verfasserin aut Szybowicz, Mirosław verfasserin (orcid)0000-0001-8933-571X aut Wrzyszczyński, Andrzej verfasserin aut Łoś, Szymon verfasserin (orcid)0000-0003-2479-619X aut Fabisiak, Kazimierz verfasserin aut Enthalten in Journal of electroanalytical chemistry New York, NY [u.a.] : Elsevier, 1959 859 Online-Ressource (DE-627)302466533 (DE-600)1491150-4 (DE-576)098614797 1873-2569 nnns volume:859 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_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 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_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 35.27 Elektrochemische Analyse AR 859 |
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10.1016/j.jelechem.2019.113811 doi (DE-627)ELV003732789 (ELSEVIER)S1572-6657(19)31079-3 DE-627 ger DE-627 rda eng 540 620 DE-600 35.27 bkl Kowalska, Magdalena verfasserin aut Electrochemical sensitivity of undoped CVD diamond films as function of their crystalline quality 2020 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The amorphous, sp 2-hybridized carbon admixture can play an important role in governing electrochemical properties of diamond layers. From the viewpoint of electrochemistry, heavily boron-doped CVD diamond layers at the level of 1020 atom/cm3 are mainly used. However such a heavy doping can lead to a significant deterioration of the crystalline structure. In the present paper, it has been shown that the electrochemical sensitivity of the undoped diamond electrode is sufficient that overcomes the problem of diamond doping. In this case, we believe that the sp 2 amorphous carbon phase admixture can be responsible for electrochemical activity. In order to prove the above hypothesis a series of six electrodes have been fabricated based on the hot filament CVD method of diamond synthesis. Variations in the layer growth conditions lead to its different crystallinity and the content of the amorphous carbon phase. The structural parameters of the obtained electrodes were examined using the Raman spectroscopy, while the electrochemical response of diamond electrode was studied using cyclic voltammetry measurements in 0.1 M KCl and the impedance spectroscopy as well. It has been revealed that in the aspect of chemical and biological applications the obtained materials used as sensing probe possess relatively good electrochemical sensitivity and a wide potential window. Electrochemical sensitivity CVD diamond Raman spectroscopy Cyclic voltammetry Impedance Paprocki, Kazimierz verfasserin aut Szybowicz, Mirosław verfasserin (orcid)0000-0001-8933-571X aut Wrzyszczyński, Andrzej verfasserin aut Łoś, Szymon verfasserin (orcid)0000-0003-2479-619X aut Fabisiak, Kazimierz verfasserin aut Enthalten in Journal of electroanalytical chemistry New York, NY [u.a.] : Elsevier, 1959 859 Online-Ressource (DE-627)302466533 (DE-600)1491150-4 (DE-576)098614797 1873-2569 nnns volume:859 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_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 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_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 35.27 Elektrochemische Analyse AR 859 |
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10.1016/j.jelechem.2019.113811 doi (DE-627)ELV003732789 (ELSEVIER)S1572-6657(19)31079-3 DE-627 ger DE-627 rda eng 540 620 DE-600 35.27 bkl Kowalska, Magdalena verfasserin aut Electrochemical sensitivity of undoped CVD diamond films as function of their crystalline quality 2020 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The amorphous, sp 2-hybridized carbon admixture can play an important role in governing electrochemical properties of diamond layers. From the viewpoint of electrochemistry, heavily boron-doped CVD diamond layers at the level of 1020 atom/cm3 are mainly used. However such a heavy doping can lead to a significant deterioration of the crystalline structure. In the present paper, it has been shown that the electrochemical sensitivity of the undoped diamond electrode is sufficient that overcomes the problem of diamond doping. In this case, we believe that the sp 2 amorphous carbon phase admixture can be responsible for electrochemical activity. In order to prove the above hypothesis a series of six electrodes have been fabricated based on the hot filament CVD method of diamond synthesis. Variations in the layer growth conditions lead to its different crystallinity and the content of the amorphous carbon phase. The structural parameters of the obtained electrodes were examined using the Raman spectroscopy, while the electrochemical response of diamond electrode was studied using cyclic voltammetry measurements in 0.1 M KCl and the impedance spectroscopy as well. It has been revealed that in the aspect of chemical and biological applications the obtained materials used as sensing probe possess relatively good electrochemical sensitivity and a wide potential window. Electrochemical sensitivity CVD diamond Raman spectroscopy Cyclic voltammetry Impedance Paprocki, Kazimierz verfasserin aut Szybowicz, Mirosław verfasserin (orcid)0000-0001-8933-571X aut Wrzyszczyński, Andrzej verfasserin aut Łoś, Szymon verfasserin (orcid)0000-0003-2479-619X aut Fabisiak, Kazimierz verfasserin aut Enthalten in Journal of electroanalytical chemistry New York, NY [u.a.] : Elsevier, 1959 859 Online-Ressource (DE-627)302466533 (DE-600)1491150-4 (DE-576)098614797 1873-2569 nnns volume:859 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_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 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_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 35.27 Elektrochemische Analyse AR 859 |
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10.1016/j.jelechem.2019.113811 doi (DE-627)ELV003732789 (ELSEVIER)S1572-6657(19)31079-3 DE-627 ger DE-627 rda eng 540 620 DE-600 35.27 bkl Kowalska, Magdalena verfasserin aut Electrochemical sensitivity of undoped CVD diamond films as function of their crystalline quality 2020 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The amorphous, sp 2-hybridized carbon admixture can play an important role in governing electrochemical properties of diamond layers. From the viewpoint of electrochemistry, heavily boron-doped CVD diamond layers at the level of 1020 atom/cm3 are mainly used. However such a heavy doping can lead to a significant deterioration of the crystalline structure. In the present paper, it has been shown that the electrochemical sensitivity of the undoped diamond electrode is sufficient that overcomes the problem of diamond doping. In this case, we believe that the sp 2 amorphous carbon phase admixture can be responsible for electrochemical activity. In order to prove the above hypothesis a series of six electrodes have been fabricated based on the hot filament CVD method of diamond synthesis. Variations in the layer growth conditions lead to its different crystallinity and the content of the amorphous carbon phase. The structural parameters of the obtained electrodes were examined using the Raman spectroscopy, while the electrochemical response of diamond electrode was studied using cyclic voltammetry measurements in 0.1 M KCl and the impedance spectroscopy as well. It has been revealed that in the aspect of chemical and biological applications the obtained materials used as sensing probe possess relatively good electrochemical sensitivity and a wide potential window. Electrochemical sensitivity CVD diamond Raman spectroscopy Cyclic voltammetry Impedance Paprocki, Kazimierz verfasserin aut Szybowicz, Mirosław verfasserin (orcid)0000-0001-8933-571X aut Wrzyszczyński, Andrzej verfasserin aut Łoś, Szymon verfasserin (orcid)0000-0003-2479-619X aut Fabisiak, Kazimierz verfasserin aut Enthalten in Journal of electroanalytical chemistry New York, NY [u.a.] : Elsevier, 1959 859 Online-Ressource (DE-627)302466533 (DE-600)1491150-4 (DE-576)098614797 1873-2569 nnns volume:859 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_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 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_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 35.27 Elektrochemische Analyse AR 859 |
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Electrochemical sensitivity of undoped CVD diamond films as function of their crystalline quality |
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Electrochemical sensitivity of undoped CVD diamond films as function of their crystalline quality |
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Kowalska, Magdalena |
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Journal of electroanalytical chemistry |
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Kowalska, Magdalena Paprocki, Kazimierz Szybowicz, Mirosław Wrzyszczyński, Andrzej Łoś, Szymon Fabisiak, Kazimierz |
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Kowalska, Magdalena |
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10.1016/j.jelechem.2019.113811 |
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title_sort |
electrochemical sensitivity of undoped cvd diamond films as function of their crystalline quality |
title_auth |
Electrochemical sensitivity of undoped CVD diamond films as function of their crystalline quality |
abstract |
The amorphous, sp 2-hybridized carbon admixture can play an important role in governing electrochemical properties of diamond layers. From the viewpoint of electrochemistry, heavily boron-doped CVD diamond layers at the level of 1020 atom/cm3 are mainly used. However such a heavy doping can lead to a significant deterioration of the crystalline structure. In the present paper, it has been shown that the electrochemical sensitivity of the undoped diamond electrode is sufficient that overcomes the problem of diamond doping. In this case, we believe that the sp 2 amorphous carbon phase admixture can be responsible for electrochemical activity. In order to prove the above hypothesis a series of six electrodes have been fabricated based on the hot filament CVD method of diamond synthesis. Variations in the layer growth conditions lead to its different crystallinity and the content of the amorphous carbon phase. The structural parameters of the obtained electrodes were examined using the Raman spectroscopy, while the electrochemical response of diamond electrode was studied using cyclic voltammetry measurements in 0.1 M KCl and the impedance spectroscopy as well. It has been revealed that in the aspect of chemical and biological applications the obtained materials used as sensing probe possess relatively good electrochemical sensitivity and a wide potential window. |
abstractGer |
The amorphous, sp 2-hybridized carbon admixture can play an important role in governing electrochemical properties of diamond layers. From the viewpoint of electrochemistry, heavily boron-doped CVD diamond layers at the level of 1020 atom/cm3 are mainly used. However such a heavy doping can lead to a significant deterioration of the crystalline structure. In the present paper, it has been shown that the electrochemical sensitivity of the undoped diamond electrode is sufficient that overcomes the problem of diamond doping. In this case, we believe that the sp 2 amorphous carbon phase admixture can be responsible for electrochemical activity. In order to prove the above hypothesis a series of six electrodes have been fabricated based on the hot filament CVD method of diamond synthesis. Variations in the layer growth conditions lead to its different crystallinity and the content of the amorphous carbon phase. The structural parameters of the obtained electrodes were examined using the Raman spectroscopy, while the electrochemical response of diamond electrode was studied using cyclic voltammetry measurements in 0.1 M KCl and the impedance spectroscopy as well. It has been revealed that in the aspect of chemical and biological applications the obtained materials used as sensing probe possess relatively good electrochemical sensitivity and a wide potential window. |
abstract_unstemmed |
The amorphous, sp 2-hybridized carbon admixture can play an important role in governing electrochemical properties of diamond layers. From the viewpoint of electrochemistry, heavily boron-doped CVD diamond layers at the level of 1020 atom/cm3 are mainly used. However such a heavy doping can lead to a significant deterioration of the crystalline structure. In the present paper, it has been shown that the electrochemical sensitivity of the undoped diamond electrode is sufficient that overcomes the problem of diamond doping. In this case, we believe that the sp 2 amorphous carbon phase admixture can be responsible for electrochemical activity. In order to prove the above hypothesis a series of six electrodes have been fabricated based on the hot filament CVD method of diamond synthesis. Variations in the layer growth conditions lead to its different crystallinity and the content of the amorphous carbon phase. The structural parameters of the obtained electrodes were examined using the Raman spectroscopy, while the electrochemical response of diamond electrode was studied using cyclic voltammetry measurements in 0.1 M KCl and the impedance spectroscopy as well. It has been revealed that in the aspect of chemical and biological applications the obtained materials used as sensing probe possess relatively good electrochemical sensitivity and a wide potential window. |
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title_short |
Electrochemical sensitivity of undoped CVD diamond films as function of their crystalline quality |
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Paprocki, Kazimierz Szybowicz, Mirosław Wrzyszczyński, Andrzej Łoś, Szymon Fabisiak, Kazimierz |
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