Three-Dimensional CdS/Au Butterfly Wing Scales with Hierarchical Rib Structures for Plasmon-Enhanced Photocatalytic Hydrogen Production

ACS Applied Materials & Interfaces
Jing FangDi Zhang

Abstract

Localized surface plasmon resonance (LSPR) of plasmonic metals (e.g., Au) can help semiconductors improve their photocatalytic hydrogen (H2) production performance. However, an artificial synthesis of hierarchical plasmonic structures down to nanoscales is usually difficult. Here, we adopt the butterfly wing scales from Morpho didius to fabricate three-dimensional (3D) CdS/Au butterfly wing scales for plasmonic photocatalysis. The as-prepared materials well-inherit the pristine hierarchical biostructures. The 3D CdS/Au butterfly wing scales exhibit a high H2 production rate (221.8 μmol·h-1 within 420-780 nm), showing a 241-fold increase over the CdS butterfly wing scales. This is attributed to the effective potentiation effect of LSPR introduced by multilayer metallic rib structures and a good interface bonding state between Au and CdS nanoparticles. Thus, our study provides a relatively simple method to learn from nature and inspiration for preparing highly efficient plasmonic photocatalysts.

References

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Feb 28, 2017·Journal of Materials Chemistry. B, Materials for Biology and Medicine·Guofen SongDi Zhang

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Citations

Jan 17, 2020·Chemical Record : an Official Publication of the Chemical Society of Japan ... [et Al.]·Junkai ZhaoZhanhu Guo
Jul 21, 2020·Advanced Materials·Shuliang DouYao Li
Dec 10, 2019·ACS Applied Materials & Interfaces·Jiaojiao FangChunhua Lu

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