Visible-light photocatalysis using plasmonic coupling effect for optofluidic microreactors

Author

Furui Tan ; Ning Wang ; Shun Cao ; Qiuqun Liang ; Weixin Yu ; Xuming Zhang

Author_Institution

Shenzhen Res. Inst., Hong Kong Polytech. Univ., Shenzhen, China

fYear

2015

fDate

27-30 April 2015

Firstpage

1

Lastpage

4

Abstract

The near-field enhancement of localized surface plasmon resonance (SPR) in the metal nanoparticles can improve the photocatalytic activity of the semiconductor connected to it. The SPR effect of the Au nanoparticles and the coupling effect of the neighboring Au nanoparticles and the gold film improves the visible-light absorption of TiO₂. The simulation result is consistent with the measured absorption spectrum. The photocurrent density of this plasmonic coupling photocatlyst is enhanced significantly compared to the bare TiO₂ under the visible light illumination.

Keywords

catalysis; gold; microreactors; nanoparticles; photochemistry; plasmonics; surface plasmon resonance; titanium compounds; Au; TiO₂; metal nanoparticles; near-field enhancement; optofluidic microreactors; photocatalytic activity; photocurrent density; plasmonic coupling effect; plasmonic coupling photocatlyst; surface plasmon resonance; visible light illumination; visible-light absorption; visible-light photocatalysis; Absorption; Couplings; Films; Gold; Nanoparticles; Photoconductivity; Plasmons; TiO2; coupling; photocatalysis; plasmon;

fLanguage

English

Publisher

ieee

Conference_Titel

Design, Test, Integration and Packaging of MEMS/MOEMS (DTIP), 2015 Symposium on

Conference_Location

Montpellier

Print_ISBN

978-1-4799-8627-9

Type

conf

DOI

10.1109/DTIP.2015.7161030

Filename

7161030