《Single Micro_Nanowire Pyroelectric》.pdf

A R T Single Micro/Nanowire Pyroelectric I Nanogenerators as Self-Powered C Temperature Sensors L E Ya Yang,† Yusheng Zhou,† Jyh Ming Wu,† and Zhong Lin Wang†,‡,* †School of Materials Science and Engineering, Georgia Institute of Technology, Atlanta, Georgia 303320245, United States, and ‡Beijing Institute of Nanoenergy and Nanosystems, Chinese Academy of Sciences, China eat sources are an important source of energy in our daily life, which can ABSTRACT Hbe harvested for powering some small electronic devices and systems.1,2 The conventional thermoelectric genera- tors mainly rely on the Seebeck effect that utilizes a temperature difference across a device to drive the diffusion of charge carriers.3,4 The existence of a temperature difference is a must for these devices. The thermoelectric generators cannot work when the environment temperature is spa- We demonstrated the first application