title: Optoelectronic Properties of Solution Grown ZnO n-p or p-n Core-Shell Nanowire Arrays.
abstract: Sb doped ZnO nanowires grown using the low-temperature hydrothermal method have the longest reported p-type stability of over 18 months. Using this growth system, bulk homojunction films of core-shell ZnO nanowires were synthesized with either n or p-type cores and the oppositely doped shell. Extensive transmission electron microscopy (TEM) characterization showed that the nanowires remain single crystalline, and the previously reported signs of doping remain intact. The electronic properties of these films were measured, and ultraviolet photodetection was observed. This growth technique could serve as the basis for other optoelectronic devices based on ZnO such as light emitting diodes and photovoltaics.
authors: School of Materials Science and Engineering, Georgia Institute of Technology , Atlanta, Georgia 30332-0245, United States.
authors: Ken C
authors: KC
authors: Pradel
authors: School of Materials Science and Engineering, Georgia Institute of Technology , Atlanta, Georgia 30332-0245, United States.
authors: Yong
authors: Y
authors: Ding
authors: School of Materials Science and Engineering, Georgia Institute of Technology , Atlanta, Georgia 30332-0245, United States.
authors: Wenzhuo
authors: W
authors: Wu
authors: International Center for Materials Nanoarchitectonics, National Institute for Materials Science , 1-1 Namiki, Tsukuba, 305-0044, Japan.
authors: Yoshio
authors: Y
authors: Bando
authors: International Center for Materials Nanoarchitectonics, National Institute for Materials Science , 1-1 Namiki, Tsukuba, 305-0044, Japan.
authors: Naoki
authors: N
authors: Fukata
authors: School of Materials Science and Engineering, Georgia Institute of Technology , Atlanta, Georgia 30332-0245, United States.|International Center for Materials Nanoarchitectonics, National Institute for Materials Science , 1-1 Namiki, Tsukuba, 305-0044, Japan.
authors: Zhong Lin
authors: ZL
authors: Wang
keywords: core−shell nanowire; homojunction; hydrothermal growth; p-type ZnO; photodetection