Plasmonic Silver Nanoparticle-Impregnated Nanocomposite BiVO4 Photoanode for Plasmon-Enhanced Photocatalytic Water Splitting

被引：46

作者：

Jeong, Sang Yun ^{[1
]}

Shin, Hye-Min ^{[1
]}

Jo, Yong-Ryun ^{[1
]}

Kim, Yeong Jae ^{[2
]}

Kim, Seungkyu ^{[1
]}

Lee, Won-June ^{[1
]}

Lee, Gil Ju ^{[2
]}

Song, Jaesun ^{[1
]}

Moon, Byung Joon ^{[3
]}

Seo, Sehun ^{[1
]}

An, Hyunji ^{[1
]}

Lee, Sang Hyun ^{[3
]}

Song, Young Min ^{[2
]}

Kim, Bong-Joong ^{[1
]}

Yoon, Myung-Han ^{[1
]}

Lee, Sanghan ^{[1
]}

机构：

[1] Gwangju Inst Sci & Technol, Sch Mat Sci & Engn, 123 Cheomdangwagi Ro, Gwangju 61005, South Korea

[2] Gwangju Inst Sci & Technol, Sch Elect Engn & Comp Sci, 123 Cheomdangwagi Ro, Gwangju 61005, South Korea

[3] Korea Inst Sci & Technol, Inst Adv Composite Mat, 92 Chudongro, Wanju Gun 55324, Joellabuk Do, South Korea

来源：

JOURNAL OF PHYSICAL CHEMISTRY C | 2018年 / 122卷 / 13期

关键词：

VISIBLE-LIGHT; ENERGY-CONVERSION; SOLAR; OXIDATION; ABSORPTION; PHOTOLYSIS; OXIDE;

D O I：

10.1021/acs.jpcc.8b00220

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Herein, we developed a fully solution-deposited nanocomposite photoanode based on silver nanoparticle (NP)-impregnated bismuth vanadate (BiVO4) films. The synthesized Ag NPs exhibit diameters of few nanometers and uniform matrix dispersion, which were confirmed by high-resolution transmission electron microscopy. The photoanode composed of the Ag NP-incorporated nanocomposite BiVO4 showed a remarkable enhancement in both low potential and the saturated photocatalytic current densities in comparison with the pristine BiVO4 film. The observed experimental results are attributed to the improved carrier generation and enhanced charge separation by the localized surface plasmon resonance-mediated effect as suggested by electrochemical impedance spectroscopy and a numerical simulation.

引用

页码：7088 / 7093

页数：6

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