1. Soochow Univ, Inst Funct Nano & Soft Mat Lab FUNSOM, Jiangsu Key Lab Carbon Based Funct Mat & Devices, Suzhou 215123, Peoples R China
2. Soochow Univ, Coll Energy, Soochow Inst Energy & Mat Innovat, Key Lab Adv Carbon Mat & Wearable Energy Technol, Suzhou 215006, Peoples R China
折叠
Abstract
Localized surface plasmon resonance (LSPR) can effectively improve the catalytic activity of electrocatalysts by using solar energy. However, the application of LSPR effect in the electrochemical nitrogen reduction reaction (ENRR) is still blank and the ability of LSPR to enhance the catalytic activity of ENRR is unclear. Herein, the effective enhancement for the NRR electrocatalytic activity of Au nanorods (NRs) under illumination conditions based on the LSPR effect was successfully achieved. Under the irradiation of 808 nm laser (80 mW cm-2), the rate of ammonia yield increased about 63.6% with comparison of that in dark. Meanwhile, combined with the results of the Finite difference time domain method (FDTD) simulation and photocurrent analysis, it is proved that the hot electrons excited by LSPR effect can effectively promote the ENRR catalytic activity of Au NRs. This study provides an important reference for the design of a novel LSPR-promoted electrocatalyst for NRR.
NSTL
Elsevier