The Highly Enhanced Efficiency of the Photocatalytic Reduction of CO<sub<2</sub< over Bi<sub<2</sub<WO<sub<6</sub< Nanosheets by NaOH Microregulation

The photoreduction of CO<sub<2</sub< to other products containing carbon through simulated photosynthesis is a promising area of research. However, given the complexity of the CO<sub<2</sub< photocatalytic reduction reaction, it is crucial to adjust the structure of the photo...
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Autor*in:	Chao Song [verfasserIn] Yangang Sun [verfasserIn] Li Zhang [verfasserIn] Shuang Liu [verfasserIn] Jinguo Wang [verfasserIn] Wei An [verfasserIn] Yong Men [verfasserIn] Zhenrong Yan [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2023

Schlagwörter:	photocatalysis band gap structure sheet structure alkali solution corrosion CO

Übergeordnetes Werk:	In: Processes - MDPI AG, 2013, 11(2023), 2827, p 2827
Übergeordnetes Werk:	volume:11 ; year:2023 ; number:2827, p 2827

Links:	Link aufrufen Link aufrufen Link aufrufen Journal toc

DOI / URN:	10.3390/pr11102827

Katalog-ID:	DOAJ098338633

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520			\|a The photoreduction of CO<sub<2</sub< to other products containing carbon through simulated photosynthesis is a promising area of research. However, given the complexity of the CO<sub<2</sub< photocatalytic reduction reaction, it is crucial to adjust the structure of the photocatalysts. The focus of this study was on creating NaOH-modified Bi<sub<2</sub<WO<sub<6</sub< nanosheet photocatalysts via a one-step hydrothermal route and using them to convert CO<sub<2</sub< into CO through photocatalytic reduction under the condition of not using an electron sacrifice agent. The results of characterizations and activity data showed that adding an appropriate amount of NaOH significantly improved the photoreduction activity of CO<sub<2</sub<, as seen in the BWO-2 catalyst. The efficiency of photocatalysts could be improved by tuning the band structure through the addition of an appropriate amount of alkali. This adjustment improves the separation of photogenerated carriers and controls the concentration of oxygen vacancy to reduce recombination. As a result, the photocurrent activity is highly enhanced, leading to better reduction performance compared to unmodified photocatalysts. In experiments, the CO yield of the modified photocatalyst BWO-2 remained above 90 μmol/g after four trials, indicating its effectiveness in reducing CO<sub<2</sub<. This study offers insights into the regulation of band structure in bismuth-based photocatalysts for efficient CO<sub<2</sub< reduction.
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callnumber-first	T - Technology
author	Chao Song
spellingShingle	Chao Song misc TP1-1185 misc QD1-999 misc photocatalysis misc band gap structure misc sheet structure misc alkali solution corrosion misc CO<sub<2</sub< photoreduction misc Chemical technology misc Chemistry The Highly Enhanced Efficiency of the Photocatalytic Reduction of CO<sub<2</sub< over Bi<sub<2</sub<WO<sub<6</sub< Nanosheets by NaOH Microregulation
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topic_title	TP1-1185 QD1-999 The Highly Enhanced Efficiency of the Photocatalytic Reduction of CO<sub<2</sub< over Bi<sub<2</sub<WO<sub<6</sub< Nanosheets by NaOH Microregulation photocatalysis band gap structure sheet structure alkali solution corrosion CO<sub<2</sub< photoreduction
topic	misc TP1-1185 misc QD1-999 misc photocatalysis misc band gap structure misc sheet structure misc alkali solution corrosion misc CO<sub<2</sub< photoreduction misc Chemical technology misc Chemistry
topic_unstemmed	misc TP1-1185 misc QD1-999 misc photocatalysis misc band gap structure misc sheet structure misc alkali solution corrosion misc CO<sub<2</sub< photoreduction misc Chemical technology misc Chemistry
topic_browse	misc TP1-1185 misc QD1-999 misc photocatalysis misc band gap structure misc sheet structure misc alkali solution corrosion misc CO<sub<2</sub< photoreduction misc Chemical technology misc Chemistry
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title	The Highly Enhanced Efficiency of the Photocatalytic Reduction of CO<sub<2</sub< over Bi<sub<2</sub<WO<sub<6</sub< Nanosheets by NaOH Microregulation
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title_full	The Highly Enhanced Efficiency of the Photocatalytic Reduction of CO<sub<2</sub< over Bi<sub<2</sub<WO<sub<6</sub< Nanosheets by NaOH Microregulation
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title_sort	highly enhanced efficiency of the photocatalytic reduction of co<sub<2</sub< over bi<sub<2</sub<wo<sub<6</sub< nanosheets by naoh microregulation
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title_auth	The Highly Enhanced Efficiency of the Photocatalytic Reduction of CO<sub<2</sub< over Bi<sub<2</sub<WO<sub<6</sub< Nanosheets by NaOH Microregulation
abstract	The photoreduction of CO<sub<2</sub< to other products containing carbon through simulated photosynthesis is a promising area of research. However, given the complexity of the CO<sub<2</sub< photocatalytic reduction reaction, it is crucial to adjust the structure of the photocatalysts. The focus of this study was on creating NaOH-modified Bi<sub<2</sub<WO<sub<6</sub< nanosheet photocatalysts via a one-step hydrothermal route and using them to convert CO<sub<2</sub< into CO through photocatalytic reduction under the condition of not using an electron sacrifice agent. The results of characterizations and activity data showed that adding an appropriate amount of NaOH significantly improved the photoreduction activity of CO<sub<2</sub<, as seen in the BWO-2 catalyst. The efficiency of photocatalysts could be improved by tuning the band structure through the addition of an appropriate amount of alkali. This adjustment improves the separation of photogenerated carriers and controls the concentration of oxygen vacancy to reduce recombination. As a result, the photocurrent activity is highly enhanced, leading to better reduction performance compared to unmodified photocatalysts. In experiments, the CO yield of the modified photocatalyst BWO-2 remained above 90 μmol/g after four trials, indicating its effectiveness in reducing CO<sub<2</sub<. This study offers insights into the regulation of band structure in bismuth-based photocatalysts for efficient CO<sub<2</sub< reduction.
abstractGer	The photoreduction of CO<sub<2</sub< to other products containing carbon through simulated photosynthesis is a promising area of research. However, given the complexity of the CO<sub<2</sub< photocatalytic reduction reaction, it is crucial to adjust the structure of the photocatalysts. The focus of this study was on creating NaOH-modified Bi<sub<2</sub<WO<sub<6</sub< nanosheet photocatalysts via a one-step hydrothermal route and using them to convert CO<sub<2</sub< into CO through photocatalytic reduction under the condition of not using an electron sacrifice agent. The results of characterizations and activity data showed that adding an appropriate amount of NaOH significantly improved the photoreduction activity of CO<sub<2</sub<, as seen in the BWO-2 catalyst. The efficiency of photocatalysts could be improved by tuning the band structure through the addition of an appropriate amount of alkali. This adjustment improves the separation of photogenerated carriers and controls the concentration of oxygen vacancy to reduce recombination. As a result, the photocurrent activity is highly enhanced, leading to better reduction performance compared to unmodified photocatalysts. In experiments, the CO yield of the modified photocatalyst BWO-2 remained above 90 μmol/g after four trials, indicating its effectiveness in reducing CO<sub<2</sub<. This study offers insights into the regulation of band structure in bismuth-based photocatalysts for efficient CO<sub<2</sub< reduction.
abstract_unstemmed	The photoreduction of CO<sub<2</sub< to other products containing carbon through simulated photosynthesis is a promising area of research. However, given the complexity of the CO<sub<2</sub< photocatalytic reduction reaction, it is crucial to adjust the structure of the photocatalysts. The focus of this study was on creating NaOH-modified Bi<sub<2</sub<WO<sub<6</sub< nanosheet photocatalysts via a one-step hydrothermal route and using them to convert CO<sub<2</sub< into CO through photocatalytic reduction under the condition of not using an electron sacrifice agent. The results of characterizations and activity data showed that adding an appropriate amount of NaOH significantly improved the photoreduction activity of CO<sub<2</sub<, as seen in the BWO-2 catalyst. The efficiency of photocatalysts could be improved by tuning the band structure through the addition of an appropriate amount of alkali. This adjustment improves the separation of photogenerated carriers and controls the concentration of oxygen vacancy to reduce recombination. As a result, the photocurrent activity is highly enhanced, leading to better reduction performance compared to unmodified photocatalysts. In experiments, the CO yield of the modified photocatalyst BWO-2 remained above 90 μmol/g after four trials, indicating its effectiveness in reducing CO<sub<2</sub<. This study offers insights into the regulation of band structure in bismuth-based photocatalysts for efficient CO<sub<2</sub< reduction.
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title_short	The Highly Enhanced Efficiency of the Photocatalytic Reduction of CO<sub<2</sub< over Bi<sub<2</sub<WO<sub<6</sub< Nanosheets by NaOH Microregulation
url	https://doi.org/10.3390/pr11102827 https://doaj.org/article/d23c240b59cc48828537b9dda23d39d9 https://www.mdpi.com/2227-9717/11/10/2827 https://doaj.org/toc/2227-9717
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As a result, the photocurrent activity is highly enhanced, leading to better reduction performance compared to unmodified photocatalysts. In experiments, the CO yield of the modified photocatalyst BWO-2 remained above 90 μmol/g after four trials, indicating its effectiveness in reducing CO<sub<2</sub<. 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The Highly Enhanced Efficiency of the Photocatalytic Reduction of CO<sub<2</sub< over Bi<sub<2</sub<WO<sub<6</sub< Nanosheets by NaOH Microregulation

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