NDLI: Optically transparent hydrogen evolution catalysts made from networks of copper–platinum core

Content Provider	Royal Society of Chemistry (RSC)
Author	Chen, Zuofeng Wiley, Benjamin J. Ha, Yoon-Cheol Ye, Shengrong Wilson, Adria R.
Copyright Year	2014
Abstract	This article reports the fabrication of copper–platinum core–shell nanowires by electroplating platinum onto copper nanowires, and the first demonstration of their use as a transparent, conducting electrocatalyst for the hydrogen evolution reaction (HER). Cu–Pt core–shell nanowire networks exhibit mass activities up to 8 times higher than carbon-supported Pt nanoparticles for the HER. Electroplating minimizes galvanic replacement, allowing the copper nanowires to retain their conductivity, and eliminating the need for a conductive substrate or overcoat. Cu–Pt core–shell nanowire networks can thus replace more expensive transparent electrodes made from indium tin oxide (ITO) in photoelectrolysis cells and dye sensitized solar cells. Unlike ITO, Cu–Pt core–shell nanowire films retain their conductivity after bending, retain their transmittance during electrochemical reduction, and have consistently high transmittance (>80%) across a wide optical window (300–1800 nm).
Starting Page	1461
Ending Page	1467
Page Count	7
File Format	HTM / HTML PDF
ISSN	17545692
Volume Number	7
Issue Number	4
Journal	Energy & Environmental Science
DOI	10.1039/c4ee00211c
Language	English
Publisher	Royal Society of Chemistry
Access Restriction	Open
Subject Keyword	Cu Electroplating Copper Hydrogen Nanowire Tin Dye Electrochemistry
Content Type	Text
Resource Type	Article
Subject	Environmental Chemistry Pollution Renewable Energy, Sustainability and the Environment Nuclear Energy and Engineering

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