Directional Transport of Photogenerated Electrons to Reduction Sites in Covalent Organic Frameworks by Microenvironment Modulation for CO2 Photoreduction DOI

Junxian Bai,

Mengke Zhang,

Fangyuan Si

и другие.

Advanced Functional Materials, Год журнала: 2024, Номер unknown

Опубликована: Дек. 8, 2024

Abstract As the transfer of photogenerated electrons to CO 2 directly determines its reduction performance, it is important boost local electron density at reaction site. Herein, a new strategy demonstrated evaluate site by modulating microenvironment molecular level based on 3 rationally designed relatively electron‐deficient (ED) and electron‐rich (ER) type COFs. Expectedly, En‐COF‐TAPB‐TDOEB exhibits high due presence an additional electric field, whose polarization direction consistent with that basic unit comparison, in Am‐COF‐TAPB‐TFB Pr‐COF‐TFPB‐TAB mostly distribute benzene triphenylene, respectively, delay exciton dissociation field inverse compared Consequently, shows superior photoreduction efficiency Pr‐COF‐TFPB‐TAB. Further mechanism investigation demonstrates influence polar excited state charge separation pathways π‐system En‐COF‐TAPB‐TDOEB, which convincingly confirms ability directional transport sites photocatalysts correlated their activity reduction.

Язык: Английский

Construction and Embedding of Oxygen Vacancies in Organic-Inorganic S-scheme Heterojunctions for Optimizing the Photocatalytic Degradation Performance of PDI-Nb/BiVO4 towards Antibiotics DOI
Nan Li, Yu‐Hua Niu,

Wengang An

и другие.

Applied Catalysis B Environment and Energy, Год журнала: 2025, Номер unknown, С. 125141 - 125141

Опубликована: Фев. 1, 2025

Язык: Английский

Процитировано

0
Advancements and challenges of industrial‐level acidic CO2 electrolysis DOI Creative Commons

Shuchao Shen,

Kang Yang, Guoliang Xu

и другие.

MetalMat, Год журнала: 2024, Номер unknown

Опубликована: Сен. 1, 2024

Abstract The use of green renewable energy to convert carbon dioxide (CO 2 ) into valuable chemicals and fuels through CO electrolysis technology (also known as electrochemical reduction reaction, eCO RR) is an advantageous technology, which could greatly aid the global carbon‐neutral goal. Although progress has been made in alkaline/neutral media, low conversion efficiency target products, carbonate/bicarbonate salt precipitation, blockage electrode holes caused by are not conducive industrial applications. Acidic media address these issues; however, conditions, there other challenges that need be addressed, such hydrogen evolution, poor tolerance electrocatalysts, electrolysers. This review discusses recent advances industrial‐level acidic electrolysis, including reaction mechanisms, device design, aiming promote its commercialization. In addition, a comprehensive evaluation strategy RR system proposed, perspectives provided based on related discussion.

Язык: Английский

Процитировано

1
Progress in Catalysts for Formic Acid Production by Electrochemical Reduction of Carbon Dioxide DOI
Yuqi Ma, Rui Xu, Xiang Wu

и другие.

Topics in Current Chemistry, Год журнала: 2024, Номер 383(1)

Опубликована: Дек. 3, 2024

Язык: Английский

Процитировано

1
Directional Transport of Photogenerated Electrons to Reduction Sites in Covalent Organic Frameworks by Microenvironment Modulation for CO2 Photoreduction DOI

Junxian Bai,

Mengke Zhang,

Fangyuan Si

и другие.

Advanced Functional Materials, Год журнала: 2024, Номер unknown

Опубликована: Дек. 8, 2024

Abstract As the transfer of photogenerated electrons to CO 2 directly determines its reduction performance, it is important boost local electron density at reaction site. Herein, a new strategy demonstrated evaluate site by modulating microenvironment molecular level based on 3 rationally designed relatively electron‐deficient (ED) and electron‐rich (ER) type COFs. Expectedly, En‐COF‐TAPB‐TDOEB exhibits high due presence an additional electric field, whose polarization direction consistent with that basic unit comparison, in Am‐COF‐TAPB‐TFB Pr‐COF‐TFPB‐TAB mostly distribute benzene triphenylene, respectively, delay exciton dissociation field inverse compared Consequently, shows superior photoreduction efficiency Pr‐COF‐TFPB‐TAB. Further mechanism investigation demonstrates influence polar excited state charge separation pathways π‐system En‐COF‐TAPB‐TDOEB, which convincingly confirms ability directional transport sites photocatalysts correlated their activity reduction.

Язык: Английский

Процитировано

1