Selective CO production by Au coupled ZnTe/ZnO in the photoelectrochemical CO2 reduction system

Jang Youn Jeong; Jang Ji-Wook; Lee Jaehyuk; Kim Ju Hun; Kumagai Hiromu; Lee Jinwoo; Minegishi Tsutomu; Kubota Jun; Domen Kazunari; Lee Jae Sung

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Selective CO production by Au coupled ZnTe/ZnO in the photoelectrochemical CO2 reduction system

机译：光电化学CO2还原系统中Au偶联ZnTe / ZnO选择性生产CO

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A gold-coupled ZnTe/ZnO-nanowire array is a new photocathode for selective CO2 reduction to CO. At -0.7 V-RHE under simulated 1 sun illumination, its photocurrent (-16.0 mA cm(-2)) and incident photon-to-current conversion efficiency (97%) represent the highest among reported ZnTe photocathodes for CO2 reduction and dramatic enhancement from those of a bare electrode (-7.9 mA cm(-2), 68%). In addition, the Au nanoparticles convert mainly-hydrogen-producing bare ZnTe/ZnO-nanowires into mainly-CO-producing photocathodes in photoelectrochemical CO2 reduction. The remarkable effects of the Au co-catalyst originate from the formation of a Schottky junction with ZnTe to improve charge separation and to provide reaction centers for CO2 reduction suppressing competing water reduction.

机译：金耦合的ZnTe / ZnO纳米线阵列是一种用于将CO2选择性还原为CO的新型光电阴极。在-0.7 V-RHE下，在模拟1个太阳光照下，其光电流（-16.0 mA cm（-2））和入射光子-电流转换效率（97％）代表了已报道的ZnTe光电阴极中二氧化碳的减少和裸电极的显着提高（-7.9 mA cm（-2），68％）最高。此外，Au纳米颗粒可在光电化学还原CO2的过程中将主要产生氢的ZnTe / ZnO纳米线转变为主要产生CO的光阴极。 Au助催化剂的显着效果源自与ZnTe形成的肖特基结，以改善电荷分离并为CO2还原提供反应中心，从而抑制竞争性水还原。

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《Energy & environmental science》 |2015年第12期|3597-3604|共8页
作者
Jang Youn Jeong; Jang Ji-Wook; Lee Jaehyuk; Kim Ju Hun; Kumagai Hiromu; Lee Jinwoo; Minegishi Tsutomu; Kubota Jun; Domen Kazunari; Lee Jae Sung;
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Pohang Univ Sci & Technol POSTECH, Dept Chem Engn, Pohang 790784, South Korea;

Ulsan Natl Inst Sci & Technol, Dept Energy & Chem Engn, Ulsan 689798, South Korea;

Pohang Univ Sci & Technol POSTECH, Dept Chem Engn, Pohang 790784, South Korea;

Pohang Univ Sci & Technol POSTECH, Dept Chem Engn, Pohang 790784, South Korea;

Univ Tokyo, Dept Chem Syst Engn, Bunkyo Ku, Tokyo 1138656, Japan;

Pohang Univ Sci & Technol POSTECH, Dept Chem Engn, Pohang 790784, South Korea;

Univ Tokyo, Dept Chem Syst Engn, Bunkyo Ku, Tokyo 1138656, Japan;

Univ Tokyo, Dept Chem Syst Engn, Bunkyo Ku, Tokyo 1138656, Japan;

Univ Tokyo, Dept Chem Syst Engn, Bunkyo Ku, Tokyo 1138656, Japan;

Ulsan Natl Inst Sci & Technol, Dept Energy & Chem Engn, Ulsan 689798, South Korea;

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1. Selective CO production by Au coupled ZnTe/ZnO in the photoelectrochemical CO2 reduction system (vol 8, pg 3597, 2015) [J] . Jang Youn Jeong, Jang Ji-Wook, Lee Jaehyuk, Energy & environmental science . 2016,第3期

机译：在光电化学CO2还原系统中通过Au偶联ZnTe / ZnO选择性生产CO（vol 8，pg 3597，2015）
2. Artificial photosynthesis of ethanol using type-II g-C3N4/ZnTe heterojunction in photoelectrochemical CO2 reduction system [J] . Wang Qinglong, Wang Xikui, Yu Zehui, Nano Energy . 2019,第期

机译：使用II型G-C3N4 / ZnTe异质结合在光电化学CO2还原系统中的人工光合作用
3. Nanoporous Au Thin Films on Si Photoelectrodes for Selective and Efficient Photoelectrochemical CO2 Reduction [J] . Song Jun Tae, Ryoo Hyewon, Cho Minhyung, Advanced energy materials . 2017,第3期

机译：Si光电极上的纳米多孔Au薄膜，用于选择性和高效的光电化学CO2还原
4. Synthesis and characterization of Nitrogen doped ZnO (ZnO:N) films for solar driven hydrogen production by photoelectrochemical water splitting [C] . Sudhakar Shet, Yanfa Yan, Todd Deutsch, Materials science amp; technology 2010 conference amp; exhibition . 2010

机译：光电化学水分解制氮用ZnO（ZnO：N）薄膜的制备及表征
5. Kinetic and Thermodynamic Factors for Selective CO2 Reduction at a Metal Hydride [D] . Ceballos, Bianca Myriah. 2019

机译：金属氢化物中选择性CO2减少的动力学和热力学因素
6. Au@CdS Core–Shell Nanoparticles‐Modified ZnO Nanowires Photoanode for Efficient Photoelectrochemical Water Splitting [O] . Chun Xian Guo, Jiale Xie, Hongbin Yang, 2015

机译：Au @ CdS核壳纳米粒子修饰的ZnO纳米线光电阳极用于高效光电化学水分解
7. Selective CO Production in Photoelectrochemical Reduction of CO2 with a Cobalt Chlorin Complex Adsorbed on Multiwalled Carbon Nanotubes in Water [O] . -1

机译：用钴氯复合物在水中吸附在水中多壁碳纳米管上的CO 2的光电化学还原中的选择性CO生产

Selective CO production by Au coupled ZnTe/ZnO in the photoelectrochemical CO2 reduction system

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