Journal
ACS APPLIED MATERIALS & INTERFACES
Volume 7, Issue 17, Pages 8968-8973Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acsami.5b01460
Keywords
photothermoelectric effect; NIR detection; Organic thermoelectric material; Organic thermoelectric device
Funding
- Major State Basic Research Development Program [2013CB632500]
- Chinese Academy of Sciences [XDB12010000]
- National Natural Science Foundation [21422310, 61171055, 21333011]
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Organic photothermoelectric (PTE) materials are promising candidates for various photodetection applications. Herein, we report on poly[Cu-x(Cu-ett)]:PVDF, which is an excellent polymeric thermoelectric composite, possesses unprecedented PTE properties. The NIR light irradiation on the poly[Cu-x(Cu-ett)]:PVDF film could induce obvious enhancement in Seebeck coefficient from 52 +/- 1.5 to 79 +/- 5.0 mu V/K. By taking advantage of prominent photothermoelectric effect of poly[Cu-x(Cu-ett)]:PVDF, an unprecedented voltage of 12 mV was obtained. This excellent performance enables its promising applications in electricity generation from solar energy and NIR detection to a wide range of light intensities ranging from 1.7 mW/cm(2) to 17 W/cm(2).
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