Issue 53, 2017

Faradaic oxygen evolution from SrTiO3 under nano- and femto-second pulsed light excitation

Abstract

During photocatalytic water oxidation, n-SrTiO3(100) demonstrated near 100% Faradaic efficiency for O2 evolution with nano- (30 ns) and femto- (150 fs) second pulsed laser excitation of the band gap, despite surface rearrangements attributed to the high peak power (300 MW cm−2). Therefore, these results establish a methodology for tracking intermediates of the water oxidation cycle at the n-SrTiO3(100) surface from the picosecond time scales of charge transfer through to the millisecond time scales of O2 evolution.

Graphical abstract: Faradaic oxygen evolution from SrTiO3 under nano- and femto-second pulsed light excitation

Supplementary files

Article information

Article type
Communication
Submitted
24 Mme 2017
Accepted
07 Jan 2017
First published
07 Jan 2017

Chem. Commun., 2017,53, 7254-7257

Faradaic oxygen evolution from SrTiO3 under nano- and femto-second pulsed light excitation

D. J. Aschaffenburg, X. Chen and T. Cuk, Chem. Commun., 2017, 53, 7254 DOI: 10.1039/C7CC03061D

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