https://scholars.lib.ntu.edu.tw/handle/123456789/629308
標題: | Optimization of the Output Efficiency of GaN Nanowire Piezoelectric Nanogenerators by Tuning the Free Carrier Concentration | 作者: | Wang C.H. Liao, WS ZONG-HONG LIN Ku, NJ Li, YC CHEN, Y. C. Wang, ZL Liu, CP |
關鍵字: | PERFORMANCE; GENERATION; BARRIER; LIGHT; ARRAY | 公開日期: | 2014 | 出版社: | WILEY-V C H VERLAG GMBH | 卷: | 4 | 期: | 16 | 來源出版物: | ADVANCED ENERGY MATERIALS | 摘要: | 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. |
URI: | https://scholars.lib.ntu.edu.tw/handle/123456789/629308 | ISSN: | 1614-6832 | DOI: | 10.1002/aenm.201400392 |
顯示於: | 醫學工程學研究所 |
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