New Polytypoid SnO2(ZnO:Sn)m Nanowire: Characterization and Calculation of its Electronic Structure
A new SnO{sub 2}(ZnO:Sn){sub m} polytypoid nanowire has been synthesized through a two-step chemical vapor deposition (CVD) method. Cs-corrected scanning transmission electron microscopy (STEM) studies indicate the crystal structure consists of an alternating stack of a Sn-O octahedral layer and a (Sn/Zn)-O wurtzite slab. First-principles density-functional theory (DFT) calculations suggest Sn atoms in the Sn-doped ZnO slabs have both 4- and 6-fold coordination, forming an inversion boundary of polarity. The SnO{sub 2}(ZnO:Sn){sub m} nanowires may exhibit unique anisotropic electronic properties: poor conductivity along the wire axis, but metallic conductivity along the diametrical directions according to the calculations.
- Research Organization:
- National Renewable Energy Lab. (NREL), Golden, CO (United States)
- Sponsoring Organization:
- USDOE Office of Energy Efficiency and Renewable Energy (EERE), Renewable Power Office. Solar Energy Technologies Office
- DOE Contract Number:
- AC36-08GO28308
- OSTI ID:
- 1039099
- Report Number(s):
- NREL/JA-5200-54750; TRN: US201209%%162
- Journal Information:
- Journal of Physical Chemistry. C, Vol. 116, Issue 8; ISSN 1932-7447
- Country of Publication:
- United States
- Language:
- English
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