期刊
ADVANCED ELECTRONIC MATERIALS
卷 5, 期 2, 页码 -出版社
WILEY
DOI: 10.1002/aelm.201800675
关键词
conducting polymers; direct currents; dopant; mechanical-to-electrical energy conversion; Schottky diodes
资金
- Australian Research Council [ARC DP180101161]
Conducting polymer-metal Schottky diodes show an interesting mechanical energy-to-electricity conversion ability to generate direct current (DC) power without rectification. However, little is reported about how dopants in conducting polymer affect the energy conversion behavior of Schottky diodes. In this study, a novel effect of dopants on mechanical energy-to-DC electricity conversion of conducting polymer-metal Schottky devices is demonstrated. Using polyaniline (PANI) as a model, conducting polymers doped with a series of protonic acids is prepared. Without dopant, the device exhibits low mechanical-to-electrical outputs. Protonic acid doping enhances device energy conversion ability, and the dopant molecular dimension plays a significant part in deciding device performance. When HCI is used as dopant, the PANI device could produce peak outputs of 0.9 V and 33.9 mu A cm(-2) under compressive impact. These novel understandings foster the design of DC generators for various applications.
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