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Coordination between Electron Transfer and Molecule Diffusion through a Bioinspired Amorphous Titania Nanoshell for Photocatalytic Nicotinamide Cofactor Regeneration

文献类型：期刊论文

作者Yang, Dong2,3; Zhang, Yishan1,3; Zhang, Shaohua1,3; Cheng, Yuqing1,3; Wu, Yizhou1,3; Cai, Ziyi1,3; Wang, Xiaodong5,6; Shi, Jiafu1,2; Jiang, Zhongyi1,3,4
刊名ACS CATALYSIS
出版日期2019-12-01
卷号9期号:12页码:11492-11501
ISSN号2155-5435
关键词coordination electron transfer molecule diffusion amorphous titania nanoshell bioinspired mineralization photocatalytic NADH regeneration
DOI10.1021/acscatal.9b03462
英文摘要In-depth understanding and rational manipulation of the electron transfer process and molecule diffusion process are critical to promote the overall photocatalytic efficiency. In our study, core@shell photocatalysts that embody graphitic carbon nitride (GCN) core and amorphous titania (a-TiO2) nanoshell are prepared to elucidate and coordinate the electron transfer and molecule diffusion for the regeneration of nicotinamide adenine dinucleotide (NADH) with [Cp*Rh(bpy)H2O](2+) as the redox mediator. The GCN core absorbs visible light to generate electron hole pairs, whereas the a-TiO2 nanoshell facilitates the transfer of photogenerated electrons from GCN to the a-TiO2 surface for NADH regeneration, which also enables the diffusion of electron donor molecules (triethanolamine, TEOA) from the a-TiO2 surface to GCN for consuming the holes left on GCN. The transfer of photogenerated electrons and the diffusion of electron donor molecules are coordinated by finely tuning the thickness of the a-TiO2 nanoshell. Under the optimized nanoshell thickness of nm, the GCN@a-TiO2 photocatalyst exhibits the highest NADH regeneration yield of 82.1% after a 10 min reaction under LED light (405 nm), over 200% higher than that of the GCN photocatalyst. Combined with the highly controllable and mild features of the bioinspired mineralization method, our study may offer a facile and generic strategy to design high performance photocatalysts through rational coordination of different substances/species transport processes.
WOS关键词WATER OXIDATION ; CO2 ; REDUCTION ; EFFICIENT ; CATALYSIS ; G-C3N4 ; SHELL ; SEMICONDUCTORS ; ADSORPTION ; EVOLUTION
资助项目National Natural Science Foundation of China[21621004] ; National Natural Science Foundation of China[21776213] ; National Natural Science Foundation of China[91534126] ; National Key Laboratory of Biochemical Engineering[2015KF-03] ; Guangdong Provincial Key Laboratory of New and Renewable Energy Research and Development[Y707s61001] ; Program of Introducing Talents of Discipline to Universities[B06006]
WOS研究方向Chemistry
语种英语
出版者AMER CHEMICAL SOC
WOS记录号WOS:000502169900082
资助机构National Natural Science Foundation of China ; National Key Laboratory of Biochemical Engineering ; Guangdong Provincial Key Laboratory of New and Renewable Energy Research and Development ; Program of Introducing Talents of Discipline to Universities
源URL[http://ir.ipe.ac.cn/handle/122111/38679]  
专题中国科学院过程工程研究所
通讯作者Shi, Jiafu; Jiang, Zhongyi
作者单位1.Collaborat Innovat Ctr Chem Sci & Engn Tianjin, 92 Weijin Rd, Tianjin 300072, Peoples R China
2.Tianjin Univ, Sch Environm Sci & Engn, 92 Weijin Rd, Tianjin 300072, Peoples R China
3.Tianjin Univ, Key Lab Green Chem Technol, Minist Educ, Sch Chem Engn & Technol, 92 Weijin Rd, Tianjin 300072, Peoples R China
4.Chinese Acad Sci, State Key Lab Biochem Engn, Inst Proc Engn, 1 North Second St, Beijing 100190, Peoples R China
5.Univ Aberdeen, Sch Engn, Chem & Mat Engn, Aberdeen AB24 3UE, Scotland
6.Univ Lancaster, Dept Engn, Lancaster LA1 4YW, England
推荐引用方式
GB/T 7714		 Yang, Dong,Zhang, Yishan,Zhang, Shaohua,et al. Coordination between Electron Transfer and Molecule Diffusion through a Bioinspired Amorphous Titania Nanoshell for Photocatalytic Nicotinamide Cofactor Regeneration[J]. ACS CATALYSIS,2019,9(12):11492-11501.
APA Yang, Dong.,Zhang, Yishan.,Zhang, Shaohua.,Cheng, Yuqing.,Wu, Yizhou.,...&Jiang, Zhongyi.(2019).Coordination between Electron Transfer and Molecule Diffusion through a Bioinspired Amorphous Titania Nanoshell for Photocatalytic Nicotinamide Cofactor Regeneration.ACS CATALYSIS,9(12),11492-11501.
MLA Yang, Dong,et al."Coordination between Electron Transfer and Molecule Diffusion through a Bioinspired Amorphous Titania Nanoshell for Photocatalytic Nicotinamide Cofactor Regeneration".ACS CATALYSIS 9.12(2019):11492-11501.

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来源：过程工程研究所

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