Photo-catalysis effect of III-V nitride film

We have studied the photo catalysis effect in III‐V nitride film having the potential overall water splitting under UV‐ or visible light irradiation. It was found that the photo catalysis effect was greater on the surface of GaN film with Ga‐face (+c) polarity than that with N‐face (‐c) polarity. Th...

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Veröffentlicht in:	Physica status solidi. C 2007-06, Vol.4 (7), p.2642-2645
Hauptverfasser:	Sumiya, Masatomo, Ohara, Keisuke, Ohsawa, Takeo, Kawai, Yu, Shirai, Masato, Fuke, Shunro, Koinuma, Hideomi, Matsumoto, Yuji
Format:	Artikel
Sprache:	eng
Schlagworte:	81.05.Ea 81.15.Gh 82.45.Jn
Online-Zugang:	Volltext
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Zusammenfassung:	We have studied the photo catalysis effect in III‐V nitride film having the potential overall water splitting under UV‐ or visible light irradiation. It was found that the photo catalysis effect was greater on the surface of GaN film with Ga‐face (+c) polarity than that with N‐face (‐c) polarity. This polarity dependence was discussed in term of band profile caused by the spontaneous polarization. Alloying InN mole fraction with GaN made it possible to generate the photo catalysis effect for visible light in III‐V nitride film. (© 2007 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)
ISSN:	1862-6351 1610-1634 1610-1642
DOI:	10.1002/pssc.200674886