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Your search keyword '"Liu, Chuan‐Pu"' showing total 1 results
Start Over Author "Liu, Chuan‐Pu" Topic nanowires Journal advanced energy materials
1 results on '"Liu, Chuan‐Pu"'

1. Optimization of the Output Efficiency of GaN Nanowire Piezoelectric Nanogenerators by Tuning the Free Carrier Concentration.

Author

Wang, Chao‐Hung, Liao, Wei‐Shun, Lin, Zong‐Hong, Ku, Nai‐Jen, Li, Yi‐Chang, Chen, Yen‐Chih, Wang, Zhong‐Lin, and Liu, Chuan‐Pu

Subjects
SILICON, GALLIUM nitride, NANOWIRES, PIEZOELECTRICITY, MOLECULAR beam epitaxy
Abstract

Carrier concentration in a piezoelectric semiconductor greatly affects alternating current (AC) piezoelectric nanogenerators (NGs) because of the carrier screening effect on the piezoelectric potential. The output performance of a series of NGs is investigated by tuning the Si dopant concentration in GaN nanowires. The results show a strong carrier screening effect that degrades output performance for high doping concentrations but results in high output power for low doping concentrations. [ABSTRACT FROM AUTHOR]

Published
2014
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