Effects of side reactions on the kinetics of nanoporous gold formation revealed by real-time X-ray scattering during electrolytic dealloying-Reference-Cited by-同舟云学术

Effects of side reactions on the kinetics of nanoporous gold formation revealed by real-time X-ray scattering during electrolytic dealloying

Published:2021 Issue:35 Volume:9 Page:19994-20005
ISSN:2050-7488
Container-title:Journal of Materials Chemistry A
language:en
Short-container-title:J. Mater. Chem. A

Author:

Welborn Samuel S.¹²^ORCID,Corsi John S.¹²^ORCID,Wang Lin¹^ORCID,Lee Asaph¹³,Fu Jintao¹^ORCID,Detsi Eric¹²^ORCID

Affiliation:

1. Department of Materials Science & Engineering, University of Pennsylvania, Philadelphia, PA 19104-6272, USA

2. Vagelos Institute for Energy Science and Technology (VIEST), Philadelphia, PA 19104, USA

3. Department of Physics and Astronomy, University of Pennsylvania, Philadelphia, Pennsylvania 19104, USA

Abstract

Simultaneous SAXS/WAXS studies elucidate passive surface film growth during formation of nanoporous gold by electrolytic dealloying in HClO4, but not in HNO3. This passive surface film hampers dealloying kinetics and slows ligament growth/coarsening.

Funder

Vagelos Institute for Energy Science and Technology, University of Pennsylvania

National Science Foundation

Publisher

Royal Society of Chemistry (RSC)

Subject

General Materials Science,Renewable Energy, Sustainability and the Environment,General Chemistry

Link

http://pubs.rsc.org/en/content/articlepdf/2021/TA/D1TA04822H

Reference80 articles.

1. High Activity Oxygen Evolution Reaction Catalysts from Additive-Controlled Electrodeposited Ni and NiFe Films

2. Nanoporous Gold Catalysts for Selective Gas-Phase Oxidative Coupling of Methanol at Low Temperature