期刊
ADVANCED FUNCTIONAL MATERIALS
卷 29, 期 25, 页码 -出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adfm.201900304
关键词
3D structure; all-inorganic films; flexible thermoelectric; photovoltaic-thermoelectric device; wearable
类别
资金
- Natural Science Foundation of China [51603037]
- Fundamental Research Funds for the Central Universities [2232019A3-02]
- DHU Distinguished Young Professor Program [LZB2019002]
- Program of Shanghai Academic Research Leader [16XD1400100]
- Science and Technology Commission of Shanghai Municipally [16JC1400700]
- Innovation Program of Shanghai Municipal Education Commission [2017-01-07-00-03-E00055]
- Shanghai Natural Science Foundation [16ZR1401500]
- Shanghai Sailing Program [16YF1400400]
- Young Elite Scientists Sponsorship Program by CAST [2017QNRC001]
- International Joint Laboratory for Advanced Fiber and Low-dimension Materials [18520750400]
The fabrication of a flexible thermoelectric (TE) device that contains flexible, all-inorganic hybrid thin films (p-type single-wall carbon nanotubes (SWCNTs)/Sb2Te3 and n-type reduced graphene oxide (RGO)/Bi2Te3) is reported. The optimized power factors of the p-type and n-type hybrid thin films at ambient temperature are about 55 and 108 mu W m(-1) K-2, respectively. The high performance of these films that are fabricated through the combination of vacuum filtration and annealing can be attributed to their planar orientation and network structure. In addition, a TE device, with 10 couples of legs, shows an output power of 23.6 mu W at a temperature gradient of 70 K. A prototype of an integrated photovoltaic-TE (PV-TE) device demonstrates the ability to harvest low-grade waste thermal energy from the human body and solar irradiation. The flexible TE and PV-TE device have great potential in wearable energy harvesting and management.
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