Solar Water Splitting with a Hydrogenase Integrated in Photoelectrochemical Tandem Cells

被引：85

作者：

Dong Heon Nam ^{[1
]}

Zhang, Jenny Z. ^{[1
]}

Andrei, Virgil ^{[1
]}

Kornienko, Nikolay ^{[1
]}

Heidary, Nina ^{[1
]}

Wagner, Andreas ^{[1
]}

Nakanishi, Kenichi ^{[2
]}

Sokol, Katarzyna P. ^{[1
]}

Slater, Barnaby ^{[1
]}

Zebger, Ingo ^{[3
]}

Hofmann, Stephan ^{[2
]}

Fontecilla-Camps, Juan C. ^{[4
]}

Park, Chan Beum ^{[5
]}

Reisner, Erwin ^{[1
]}

机构：

[1] Univ Cambridge, Dept Chem, Cambridge CB2 1EW, England

[2] Univ Cambridge, Dept Engn, Cambridge CB3 0FA, England

[3] Tech Univ Berlin, Max Volmer Lab Biophys Chem, Sekretariat PC14, Inst Chem, Str 17 Juni 135, D-10623 Berlin, Germany

[4] Univ Grenoble Alpes, Metalloprot Unit, Inst Biol Struct, CEA,CNRS, F-38044 Grenoble, France

[5] Korea Adv Inst Sci & Technol, Dept Mat Sci & Engn, 291 Daehak Ro, Daejeon 34141, South Korea

来源：

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION | 2018年 / 57卷 / 33期

基金：

新加坡国家研究基金会; 英国工程与自然科学研究理事会; 英国生物技术与生命科学研究理事会;

关键词：

hydrogenase; photoelectrochemistry; photosynthesis; silicon; water splitting; H-2; PRODUCTION; PHOTOSYSTEM-II; EVOLUTION; OXYGEN; CATALYST; PHOTOANODE; REDUCTION; CHEMISTRY; OXIDATION; EFFICIENT;

D O I：

10.1002/anie.201805027

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Hydrogenases (H(2)ases) are benchmark electrocatalysts for H-2 production, both in biology and (photo)catalysis invitro. We report the tailoring of a p-type Si photocathode for optimal loading and wiring of H(2)ase through the introduction of a hierarchical inverse opal (IO) TiO2 interlayer. This proton-reducing Si vertical bar IO-TiO2 vertical bar H(2)ase photocathode is capable of driving overall water splitting in combination with a photoanode. We demonstrate unassisted (bias-free) water splitting by wiring Si vertical bar IO-TiO2 vertical bar H(2)ase to a modified BiVO4 photoanode in a photoelectrochemical (PEC) cell during several hours of irradiation. Connecting the Si vertical bar IO-TiO2 vertical bar H(2)ase to a photosystemII (PSII) photoanode provides proof of concept for an engineered Z-scheme that replaces the non-complementary, natural light absorber photosystemI with a complementary abiotic silicon photocathode.

引用

页码：10595 / 10599

页数：5

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