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Low‐Temperature Wafer‐Scale Production of ZnO Nanowire Arrays
Author(s) -
Greene Lori E.,
Law Matt,
Goldberger Joshua,
Kim Franklin,
Johnson Justin C.,
Zhang Yanfeng,
Saykally Richard J.,
Yang Peidong
Publication year - 2003
Publication title -
angewandte chemie international edition
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 1433-7851
DOI - 10.1002/anie.200351461
Subject(s) - wafer , nanowire , materials science , annealing (glass) , photoluminescence , hydrothermal circulation , optoelectronics , nanotechnology , nanocrystal , silicon , nanorod , homogeneous , perpendicular , chemical engineering , composite material , physics , geometry , mathematics , thermodynamics , engineering
Homogeneous and dense arrays of ZnO nanowires were synthesized on silicon wafers (and many other substrates) using a mild solution process at 90 °C. Uniform ZnO nanocrystals were deposited to act as seeds for subsequent hydrothermal nanowire growth, which yielded single‐crystalline ZnO nanowires grown along the [0001] direction and oriented perpendicular to the wafer surface (see picture; scale bar=1μm). The photoluminescence and lasing behavior of the arrays has been studied as a function of annealing treatment conditions.
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