Insights into the Role of Nanorod-Shaped MnO<sub<2</sub< and CeO<sub<2</sub< in a Plasma Catalysis System for Methanol Oxidation

Published papers highlight the roles of the catalysts in plasma catalysis systems, and it is essential to provide deep insight into the mechanism of the reaction. In this work, a coaxial dielectric barrier discharge (DBD) reactor packed with γ-MnO<sub<2</sub< and CeO<sub<2</sub&...
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Autor*in:	Guangyi Zhang [verfasserIn] Gui Chen [verfasserIn] Haomin Huang [verfasserIn] Yexia Qin [verfasserIn] Mingli Fu [verfasserIn] Xin Tu [verfasserIn] Daiqi Ye [verfasserIn] Junliang Wu [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2023

Schlagwörter:	methanol oxidation plasma catalysis CeO MnO in situ ft-IR

Übergeordnetes Werk:	In: Nanomaterials - MDPI AG, 2012, 13(2023), 6, p 1026
Übergeordnetes Werk:	volume:13 ; year:2023 ; number:6, p 1026

Links:	Link aufrufen Link aufrufen Link aufrufen Journal toc

DOI / URN:	10.3390/nano13061026

Katalog-ID:	DOAJ087277158

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allfields	10.3390/nano13061026 doi (DE-627)DOAJ087277158 (DE-599)DOAJdc312de3d5ef44569e34d9dc516a3674 DE-627 ger DE-627 rakwb eng QD1-999 Guangyi Zhang verfasserin aut Insights into the Role of Nanorod-Shaped MnO<sub<2</sub< and CeO<sub<2</sub< in a Plasma Catalysis System for Methanol Oxidation 2023 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Published papers highlight the roles of the catalysts in plasma catalysis systems, and it is essential to provide deep insight into the mechanism of the reaction. In this work, a coaxial dielectric barrier discharge (DBD) reactor packed with γ-MnO<sub<2</sub< and CeO<sub<2</sub< with similar nanorod morphologies and particle sizes was used for methanol oxidation at atmospheric pressure and room temperature. The experimental results showed that both γ-MnO<sub<2</sub< and CeO<sub<2</sub< exhibited good performance in methanol conversion (up to 100%), but the CO<sub<2</sub< selectivity of CeO<sub<2</sub< (up to 59.3%) was much higher than that of γ-MnO<sub<2</sub< (up to 28.6%). Catalyst characterization results indicated that CeO<sub<2</sub< contained more surface-active oxygen species, adsorbed more methanol and utilized more plasma-induced active species than γ-MnO<sub<2</sub<. In addition, in situ Raman spectroscopy and Fourier transform infrared spectroscopy (FT-IR) were applied with a novel in situ cell to reveal the major factors affecting the catalytic performance in methanol oxidation. More reactive oxygen species (O<sub<2</sub<<sup<2−</sup<, O<sup<2−</sup<) from ozone decomposition were produced on CeO<sub<2</sub< compared with γ-MnO<sub<2</sub<, and less of the intermediate product formate accumulated on the CeO<sub<2</sub<. The combined results showed that CeO<sub<2</sub< was a more effective catalyst than γ-MnO<sub<2</sub< for methanol oxidation in the plasma catalysis system. methanol oxidation plasma catalysis CeO<sub<2</sub< MnO<sub<2</sub< in situ ft-IR Chemistry Gui Chen verfasserin aut Haomin Huang verfasserin aut Yexia Qin verfasserin aut Mingli Fu verfasserin aut Xin Tu verfasserin aut Daiqi Ye verfasserin aut Junliang Wu verfasserin aut In Nanomaterials MDPI AG, 2012 13(2023), 6, p 1026 (DE-627)718627199 (DE-600)2662255-5 20794991 nnns volume:13 year:2023 number:6, p 1026 https://doi.org/10.3390/nano13061026 kostenfrei https://doaj.org/article/dc312de3d5ef44569e34d9dc516a3674 kostenfrei https://www.mdpi.com/2079-4991/13/6/1026 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 13 2023 6, p 1026
spelling	10.3390/nano13061026 doi (DE-627)DOAJ087277158 (DE-599)DOAJdc312de3d5ef44569e34d9dc516a3674 DE-627 ger DE-627 rakwb eng QD1-999 Guangyi Zhang verfasserin aut Insights into the Role of Nanorod-Shaped MnO<sub<2</sub< and CeO<sub<2</sub< in a Plasma Catalysis System for Methanol Oxidation 2023 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Published papers highlight the roles of the catalysts in plasma catalysis systems, and it is essential to provide deep insight into the mechanism of the reaction. In this work, a coaxial dielectric barrier discharge (DBD) reactor packed with γ-MnO<sub<2</sub< and CeO<sub<2</sub< with similar nanorod morphologies and particle sizes was used for methanol oxidation at atmospheric pressure and room temperature. The experimental results showed that both γ-MnO<sub<2</sub< and CeO<sub<2</sub< exhibited good performance in methanol conversion (up to 100%), but the CO<sub<2</sub< selectivity of CeO<sub<2</sub< (up to 59.3%) was much higher than that of γ-MnO<sub<2</sub< (up to 28.6%). Catalyst characterization results indicated that CeO<sub<2</sub< contained more surface-active oxygen species, adsorbed more methanol and utilized more plasma-induced active species than γ-MnO<sub<2</sub<. In addition, in situ Raman spectroscopy and Fourier transform infrared spectroscopy (FT-IR) were applied with a novel in situ cell to reveal the major factors affecting the catalytic performance in methanol oxidation. More reactive oxygen species (O<sub<2</sub<<sup<2−</sup<, O<sup<2−</sup<) from ozone decomposition were produced on CeO<sub<2</sub< compared with γ-MnO<sub<2</sub<, and less of the intermediate product formate accumulated on the CeO<sub<2</sub<. The combined results showed that CeO<sub<2</sub< was a more effective catalyst than γ-MnO<sub<2</sub< for methanol oxidation in the plasma catalysis system. methanol oxidation plasma catalysis CeO<sub<2</sub< MnO<sub<2</sub< in situ ft-IR Chemistry Gui Chen verfasserin aut Haomin Huang verfasserin aut Yexia Qin verfasserin aut Mingli Fu verfasserin aut Xin Tu verfasserin aut Daiqi Ye verfasserin aut Junliang Wu verfasserin aut In Nanomaterials MDPI AG, 2012 13(2023), 6, p 1026 (DE-627)718627199 (DE-600)2662255-5 20794991 nnns volume:13 year:2023 number:6, p 1026 https://doi.org/10.3390/nano13061026 kostenfrei https://doaj.org/article/dc312de3d5ef44569e34d9dc516a3674 kostenfrei https://www.mdpi.com/2079-4991/13/6/1026 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 13 2023 6, p 1026
allfields_unstemmed	10.3390/nano13061026 doi (DE-627)DOAJ087277158 (DE-599)DOAJdc312de3d5ef44569e34d9dc516a3674 DE-627 ger DE-627 rakwb eng QD1-999 Guangyi Zhang verfasserin aut Insights into the Role of Nanorod-Shaped MnO<sub<2</sub< and CeO<sub<2</sub< in a Plasma Catalysis System for Methanol Oxidation 2023 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Published papers highlight the roles of the catalysts in plasma catalysis systems, and it is essential to provide deep insight into the mechanism of the reaction. In this work, a coaxial dielectric barrier discharge (DBD) reactor packed with γ-MnO<sub<2</sub< and CeO<sub<2</sub< with similar nanorod morphologies and particle sizes was used for methanol oxidation at atmospheric pressure and room temperature. The experimental results showed that both γ-MnO<sub<2</sub< and CeO<sub<2</sub< exhibited good performance in methanol conversion (up to 100%), but the CO<sub<2</sub< selectivity of CeO<sub<2</sub< (up to 59.3%) was much higher than that of γ-MnO<sub<2</sub< (up to 28.6%). Catalyst characterization results indicated that CeO<sub<2</sub< contained more surface-active oxygen species, adsorbed more methanol and utilized more plasma-induced active species than γ-MnO<sub<2</sub<. In addition, in situ Raman spectroscopy and Fourier transform infrared spectroscopy (FT-IR) were applied with a novel in situ cell to reveal the major factors affecting the catalytic performance in methanol oxidation. More reactive oxygen species (O<sub<2</sub<<sup<2−</sup<, O<sup<2−</sup<) from ozone decomposition were produced on CeO<sub<2</sub< compared with γ-MnO<sub<2</sub<, and less of the intermediate product formate accumulated on the CeO<sub<2</sub<. The combined results showed that CeO<sub<2</sub< was a more effective catalyst than γ-MnO<sub<2</sub< for methanol oxidation in the plasma catalysis system. methanol oxidation plasma catalysis CeO<sub<2</sub< MnO<sub<2</sub< in situ ft-IR Chemistry Gui Chen verfasserin aut Haomin Huang verfasserin aut Yexia Qin verfasserin aut Mingli Fu verfasserin aut Xin Tu verfasserin aut Daiqi Ye verfasserin aut Junliang Wu verfasserin aut In Nanomaterials MDPI AG, 2012 13(2023), 6, p 1026 (DE-627)718627199 (DE-600)2662255-5 20794991 nnns volume:13 year:2023 number:6, p 1026 https://doi.org/10.3390/nano13061026 kostenfrei https://doaj.org/article/dc312de3d5ef44569e34d9dc516a3674 kostenfrei https://www.mdpi.com/2079-4991/13/6/1026 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 13 2023 6, p 1026
allfieldsGer	10.3390/nano13061026 doi (DE-627)DOAJ087277158 (DE-599)DOAJdc312de3d5ef44569e34d9dc516a3674 DE-627 ger DE-627 rakwb eng QD1-999 Guangyi Zhang verfasserin aut Insights into the Role of Nanorod-Shaped MnO<sub<2</sub< and CeO<sub<2</sub< in a Plasma Catalysis System for Methanol Oxidation 2023 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Published papers highlight the roles of the catalysts in plasma catalysis systems, and it is essential to provide deep insight into the mechanism of the reaction. In this work, a coaxial dielectric barrier discharge (DBD) reactor packed with γ-MnO<sub<2</sub< and CeO<sub<2</sub< with similar nanorod morphologies and particle sizes was used for methanol oxidation at atmospheric pressure and room temperature. The experimental results showed that both γ-MnO<sub<2</sub< and CeO<sub<2</sub< exhibited good performance in methanol conversion (up to 100%), but the CO<sub<2</sub< selectivity of CeO<sub<2</sub< (up to 59.3%) was much higher than that of γ-MnO<sub<2</sub< (up to 28.6%). Catalyst characterization results indicated that CeO<sub<2</sub< contained more surface-active oxygen species, adsorbed more methanol and utilized more plasma-induced active species than γ-MnO<sub<2</sub<. In addition, in situ Raman spectroscopy and Fourier transform infrared spectroscopy (FT-IR) were applied with a novel in situ cell to reveal the major factors affecting the catalytic performance in methanol oxidation. More reactive oxygen species (O<sub<2</sub<<sup<2−</sup<, O<sup<2−</sup<) from ozone decomposition were produced on CeO<sub<2</sub< compared with γ-MnO<sub<2</sub<, and less of the intermediate product formate accumulated on the CeO<sub<2</sub<. The combined results showed that CeO<sub<2</sub< was a more effective catalyst than γ-MnO<sub<2</sub< for methanol oxidation in the plasma catalysis system. methanol oxidation plasma catalysis CeO<sub<2</sub< MnO<sub<2</sub< in situ ft-IR Chemistry Gui Chen verfasserin aut Haomin Huang verfasserin aut Yexia Qin verfasserin aut Mingli Fu verfasserin aut Xin Tu verfasserin aut Daiqi Ye verfasserin aut Junliang Wu verfasserin aut In Nanomaterials MDPI AG, 2012 13(2023), 6, p 1026 (DE-627)718627199 (DE-600)2662255-5 20794991 nnns volume:13 year:2023 number:6, p 1026 https://doi.org/10.3390/nano13061026 kostenfrei https://doaj.org/article/dc312de3d5ef44569e34d9dc516a3674 kostenfrei https://www.mdpi.com/2079-4991/13/6/1026 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 13 2023 6, p 1026
allfieldsSound	10.3390/nano13061026 doi (DE-627)DOAJ087277158 (DE-599)DOAJdc312de3d5ef44569e34d9dc516a3674 DE-627 ger DE-627 rakwb eng QD1-999 Guangyi Zhang verfasserin aut Insights into the Role of Nanorod-Shaped MnO<sub<2</sub< and CeO<sub<2</sub< in a Plasma Catalysis System for Methanol Oxidation 2023 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Published papers highlight the roles of the catalysts in plasma catalysis systems, and it is essential to provide deep insight into the mechanism of the reaction. In this work, a coaxial dielectric barrier discharge (DBD) reactor packed with γ-MnO<sub<2</sub< and CeO<sub<2</sub< with similar nanorod morphologies and particle sizes was used for methanol oxidation at atmospheric pressure and room temperature. The experimental results showed that both γ-MnO<sub<2</sub< and CeO<sub<2</sub< exhibited good performance in methanol conversion (up to 100%), but the CO<sub<2</sub< selectivity of CeO<sub<2</sub< (up to 59.3%) was much higher than that of γ-MnO<sub<2</sub< (up to 28.6%). Catalyst characterization results indicated that CeO<sub<2</sub< contained more surface-active oxygen species, adsorbed more methanol and utilized more plasma-induced active species than γ-MnO<sub<2</sub<. In addition, in situ Raman spectroscopy and Fourier transform infrared spectroscopy (FT-IR) were applied with a novel in situ cell to reveal the major factors affecting the catalytic performance in methanol oxidation. More reactive oxygen species (O<sub<2</sub<<sup<2−</sup<, O<sup<2−</sup<) from ozone decomposition were produced on CeO<sub<2</sub< compared with γ-MnO<sub<2</sub<, and less of the intermediate product formate accumulated on the CeO<sub<2</sub<. The combined results showed that CeO<sub<2</sub< was a more effective catalyst than γ-MnO<sub<2</sub< for methanol oxidation in the plasma catalysis system. methanol oxidation plasma catalysis CeO<sub<2</sub< MnO<sub<2</sub< in situ ft-IR Chemistry Gui Chen verfasserin aut Haomin Huang verfasserin aut Yexia Qin verfasserin aut Mingli Fu verfasserin aut Xin Tu verfasserin aut Daiqi Ye verfasserin aut Junliang Wu verfasserin aut In Nanomaterials MDPI AG, 2012 13(2023), 6, p 1026 (DE-627)718627199 (DE-600)2662255-5 20794991 nnns volume:13 year:2023 number:6, p 1026 https://doi.org/10.3390/nano13061026 kostenfrei https://doaj.org/article/dc312de3d5ef44569e34d9dc516a3674 kostenfrei https://www.mdpi.com/2079-4991/13/6/1026 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 13 2023 6, p 1026
language	English
source	In Nanomaterials 13(2023), 6, p 1026 volume:13 year:2023 number:6, p 1026
sourceStr	In Nanomaterials 13(2023), 6, p 1026 volume:13 year:2023 number:6, p 1026
format_phy_str_mv	Article
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topic_facet	methanol oxidation plasma catalysis CeO<sub<2</sub< MnO<sub<2</sub< in situ ft-IR Chemistry
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container_title	Nanomaterials
authorswithroles_txt_mv	Guangyi Zhang @@aut@@ Gui Chen @@aut@@ Haomin Huang @@aut@@ Yexia Qin @@aut@@ Mingli Fu @@aut@@ Xin Tu @@aut@@ Daiqi Ye @@aut@@ Junliang Wu @@aut@@
publishDateDaySort_date	2023-01-01T00:00:00Z
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callnumber-first	Q - Science
author	Guangyi Zhang
spellingShingle	Guangyi Zhang misc QD1-999 misc methanol oxidation misc plasma catalysis misc CeO<sub<2</sub< misc MnO<sub<2</sub< misc in situ ft-IR misc Chemistry Insights into the Role of Nanorod-Shaped MnO<sub<2</sub< and CeO<sub<2</sub< in a Plasma Catalysis System for Methanol Oxidation
authorStr	Guangyi Zhang
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topic_title	QD1-999 Insights into the Role of Nanorod-Shaped MnO<sub<2</sub< and CeO<sub<2</sub< in a Plasma Catalysis System for Methanol Oxidation methanol oxidation plasma catalysis CeO<sub<2</sub< MnO<sub<2</sub< in situ ft-IR
topic	misc QD1-999 misc methanol oxidation misc plasma catalysis misc CeO<sub<2</sub< misc MnO<sub<2</sub< misc in situ ft-IR misc Chemistry
topic_unstemmed	misc QD1-999 misc methanol oxidation misc plasma catalysis misc CeO<sub<2</sub< misc MnO<sub<2</sub< misc in situ ft-IR misc Chemistry
topic_browse	misc QD1-999 misc methanol oxidation misc plasma catalysis misc CeO<sub<2</sub< misc MnO<sub<2</sub< misc in situ ft-IR misc Chemistry
format_facet	Elektronische Aufsätze Aufsätze Elektronische Ressource
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title	Insights into the Role of Nanorod-Shaped MnO<sub<2</sub< and CeO<sub<2</sub< in a Plasma Catalysis System for Methanol Oxidation
ctrlnum	(DE-627)DOAJ087277158 (DE-599)DOAJdc312de3d5ef44569e34d9dc516a3674
title_full	Insights into the Role of Nanorod-Shaped MnO<sub<2</sub< and CeO<sub<2</sub< in a Plasma Catalysis System for Methanol Oxidation
author_sort	Guangyi Zhang
journal	Nanomaterials
journalStr	Nanomaterials
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publishDateSort	2023
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author_browse	Guangyi Zhang Gui Chen Haomin Huang Yexia Qin Mingli Fu Xin Tu Daiqi Ye Junliang Wu
container_volume	13
class	QD1-999
format_se	Elektronische Aufsätze
author-letter	Guangyi Zhang
doi_str_mv	10.3390/nano13061026
author2-role	verfasserin
title_sort	insights into the role of nanorod-shaped mno<sub<2</sub< and ceo<sub<2</sub< in a plasma catalysis system for methanol oxidation
callnumber	QD1-999
title_auth	Insights into the Role of Nanorod-Shaped MnO<sub<2</sub< and CeO<sub<2</sub< in a Plasma Catalysis System for Methanol Oxidation
abstract	Published papers highlight the roles of the catalysts in plasma catalysis systems, and it is essential to provide deep insight into the mechanism of the reaction. In this work, a coaxial dielectric barrier discharge (DBD) reactor packed with γ-MnO<sub<2</sub< and CeO<sub<2</sub< with similar nanorod morphologies and particle sizes was used for methanol oxidation at atmospheric pressure and room temperature. The experimental results showed that both γ-MnO<sub<2</sub< and CeO<sub<2</sub< exhibited good performance in methanol conversion (up to 100%), but the CO<sub<2</sub< selectivity of CeO<sub<2</sub< (up to 59.3%) was much higher than that of γ-MnO<sub<2</sub< (up to 28.6%). Catalyst characterization results indicated that CeO<sub<2</sub< contained more surface-active oxygen species, adsorbed more methanol and utilized more plasma-induced active species than γ-MnO<sub<2</sub<. In addition, in situ Raman spectroscopy and Fourier transform infrared spectroscopy (FT-IR) were applied with a novel in situ cell to reveal the major factors affecting the catalytic performance in methanol oxidation. More reactive oxygen species (O<sub<2</sub<<sup<2−</sup<, O<sup<2−</sup<) from ozone decomposition were produced on CeO<sub<2</sub< compared with γ-MnO<sub<2</sub<, and less of the intermediate product formate accumulated on the CeO<sub<2</sub<. The combined results showed that CeO<sub<2</sub< was a more effective catalyst than γ-MnO<sub<2</sub< for methanol oxidation in the plasma catalysis system.
abstractGer	Published papers highlight the roles of the catalysts in plasma catalysis systems, and it is essential to provide deep insight into the mechanism of the reaction. In this work, a coaxial dielectric barrier discharge (DBD) reactor packed with γ-MnO<sub<2</sub< and CeO<sub<2</sub< with similar nanorod morphologies and particle sizes was used for methanol oxidation at atmospheric pressure and room temperature. The experimental results showed that both γ-MnO<sub<2</sub< and CeO<sub<2</sub< exhibited good performance in methanol conversion (up to 100%), but the CO<sub<2</sub< selectivity of CeO<sub<2</sub< (up to 59.3%) was much higher than that of γ-MnO<sub<2</sub< (up to 28.6%). Catalyst characterization results indicated that CeO<sub<2</sub< contained more surface-active oxygen species, adsorbed more methanol and utilized more plasma-induced active species than γ-MnO<sub<2</sub<. In addition, in situ Raman spectroscopy and Fourier transform infrared spectroscopy (FT-IR) were applied with a novel in situ cell to reveal the major factors affecting the catalytic performance in methanol oxidation. More reactive oxygen species (O<sub<2</sub<<sup<2−</sup<, O<sup<2−</sup<) from ozone decomposition were produced on CeO<sub<2</sub< compared with γ-MnO<sub<2</sub<, and less of the intermediate product formate accumulated on the CeO<sub<2</sub<. The combined results showed that CeO<sub<2</sub< was a more effective catalyst than γ-MnO<sub<2</sub< for methanol oxidation in the plasma catalysis system.
abstract_unstemmed	Published papers highlight the roles of the catalysts in plasma catalysis systems, and it is essential to provide deep insight into the mechanism of the reaction. In this work, a coaxial dielectric barrier discharge (DBD) reactor packed with γ-MnO<sub<2</sub< and CeO<sub<2</sub< with similar nanorod morphologies and particle sizes was used for methanol oxidation at atmospheric pressure and room temperature. The experimental results showed that both γ-MnO<sub<2</sub< and CeO<sub<2</sub< exhibited good performance in methanol conversion (up to 100%), but the CO<sub<2</sub< selectivity of CeO<sub<2</sub< (up to 59.3%) was much higher than that of γ-MnO<sub<2</sub< (up to 28.6%). Catalyst characterization results indicated that CeO<sub<2</sub< contained more surface-active oxygen species, adsorbed more methanol and utilized more plasma-induced active species than γ-MnO<sub<2</sub<. In addition, in situ Raman spectroscopy and Fourier transform infrared spectroscopy (FT-IR) were applied with a novel in situ cell to reveal the major factors affecting the catalytic performance in methanol oxidation. More reactive oxygen species (O<sub<2</sub<<sup<2−</sup<, O<sup<2−</sup<) from ozone decomposition were produced on CeO<sub<2</sub< compared with γ-MnO<sub<2</sub<, and less of the intermediate product formate accumulated on the CeO<sub<2</sub<. The combined results showed that CeO<sub<2</sub< was a more effective catalyst than γ-MnO<sub<2</sub< for methanol oxidation in the plasma catalysis system.
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container_issue	6, p 1026
title_short	Insights into the Role of Nanorod-Shaped MnO<sub<2</sub< and CeO<sub<2</sub< in a Plasma Catalysis System for Methanol Oxidation
url	https://doi.org/10.3390/nano13061026 https://doaj.org/article/dc312de3d5ef44569e34d9dc516a3674 https://www.mdpi.com/2079-4991/13/6/1026 https://doaj.org/toc/2079-4991
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author2	Gui Chen Haomin Huang Yexia Qin Mingli Fu Xin Tu Daiqi Ye Junliang Wu
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