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Hydrothermal growth of highly oriented single crystalline Ta2O5 nanorod arrays and their conversion to Ta3N5 for efficient solar driven water splitting
Journal article   Peer reviewed

Hydrothermal growth of highly oriented single crystalline Ta2O5 nanorod arrays and their conversion to Ta3N5 for efficient solar driven water splitting

Zixue Su, Lei Wang, Sabina Grigorescu, Kiyoung Lee and Patrik Schmuki
Chemical communications (Cambridge, England), Vol.50(98), pp.15561-15564
21/12/2014
DOI: https://doi.org/10.1039/c4cc05673f
PMID: 25357012

Abstract

Chemistry Chemistry, Multidisciplinary Physical Sciences Science & Technology
We grow vertically aligned single crystalline Ta2O5 nanorod arrays that can be converted to Ta3N5 nanorod arrays by nitridation. Combined with cobalt phosphate (Co-Pi) as a co-catalyst, such Ta3N5 nanorod photoanodes can yield photocurrent densities of similar to 3.6 mA cm(-2) at 1.23 V-RHE and similar to 8.2 mA cm(-2) at 1.59 V-RHE under AM 1.5G (100 mW cm(-2)) irradiation.

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