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Direct Growth of Highly Mismatched Type II ZnO/ZnSe Core/Shell Nanowire Arrays on Transparent Conducting Oxide Substrates for Solar Cell Applications
Author(s) -
Wang Kai,
Chen Jiajun,
Zhou Weilie,
Zhang Yong,
Yan Yanfa,
Pern John,
Mascarenhas Angelo
Publication year - 2008
Publication title -
advanced materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 10.707
H-Index - 527
eISSN - 1521-4095
pISSN - 0935-9648
DOI - 10.1002/adma.200800145
Subject(s) - materials science , epitaxy , wurtzite crystal structure , nanowire , substrate (aquarium) , high resolution transmission electron microscopy , zinc , shell (structure) , oxide , nanotechnology , core (optical fiber) , layer (electronics) , optoelectronics , transmission electron microscopy , metallurgy , composite material , oceanography , geology
Large‐area, well‐aligned ZnO/ZnSe core/shell nanowire arrays are synthesized directly on a transparent conducting oxide substrate. HRTEM reveals that ZnO and ZnSe have wurtzite and zinc blend crystal structures, respectively (see figure), the interface is smooth with no transitional layer, and ZnSe grows epitaxially on the ZnO core.