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Optimized FTO seeding enables the growth of highlyefficient Ta-doped TiO2 nanorod photoanodes
Journal article   Peer reviewed

Optimized FTO seeding enables the growth of highlyefficient Ta-doped TiO2 nanorod photoanodes

Christopher Schneider, Ning Liu and Patrik Schmuki
Chemical communications (Cambridge, England), Vol.53(72), pp.10050-10053
16/09/2017
DOI: https://doi.org/10.1039/c7cc05168a
PMID: 28840210

Abstract

Chemistry Chemistry, Multidisciplinary Physical Sciences Science & Technology
Tantalum doped rutile nanorods were hydrothermally grown on FTO substrates using a new seeding approach. This approach allows the incorporation of high concentrations of up to 4.8 at% tantalum as active doping and results in a significant enhancement of the photoelectrochemical water splitting rate (1.8 mA cm(-2) at a potential of +1.5 V vs. RHE) which corresponds to similar to 1% photocurrent conversion efficiency under AM 1.5, 100 mW cm(-2) simulated sunlight irradiation.

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