期刊
SCIENTIFIC REPORTS
卷 10, 期 1, 页码 -出版社
NATURE PUBLISHING GROUP
DOI: 10.1038/s41598-020-68790-w
关键词
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资金
- National Key R&D Program of China [2016YFA0202701]
- National Natural Science Foundation of China [51472055, 51504133, 61604012]
- External Cooperation Program of BIC, Chinese Academy of Sciences [121411KYS820150028]
- 2015 Annual Beijing Talents Fund [2015000021223ZK32]
- University of Chinese Academy of Sciences [Y8540XX2D2]
- 2019 Project of Liaoning Education Department [2019LNJC20]
- thousands talents program for the pioneer researcher and his innovation team, China
The self-powered sensors are more and more important in current society. However, detecting both light and temperature signals simultaneously without energy waste and signal interference is still a challenge. Here, we report a ZnO/graphene nanocomposite foam-based self-powered sensor, which can realize the simultaneous detection of light and temperature by using the conjuncted photo-thermoelectric effect in ZnO-graphene nanocomposite foam sensor. The output current under light, heating and cooling of the device with the best ZnO/graphene ratio (8:1) for the foam can reach 1.75 mu A, 1.02 mu A and 0.70 mu A, respectively, which are approximately three fold higher than them of devices with other ZnO/graphene ratios. The ZnO-graphene nanocomposite foam device also possesses excellent thermoelectric and photoelectric performances for conjuncted lighting and heating detection without mutual interference. The ZnO-graphene nanocomposite foam device exhibits a new designation on the road towards the fabrication of low cost and one-circuit-based multifunction sensors and systems.
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