期刊
ACS NANO
卷 13, 期 2, 页码 1071-1077出版社
AMER CHEMICAL SOC
DOI: 10.1021/acsnano.8b08577
关键词
infrared light; transparent; flexible; organic photovoltaic; photosynthesis
类别
资金
- Air Force Office of Scientific Research (AFOSR) [FA2386-18-1-4094]
- Office of Naval Research (ONR) [N00014-17-1-2,484]
- UC Solar Program [MRPI 328368]
- National Natural Science Foundation of China [21734001, 61674108, 11811520119]
- National Key Research and Development Program of China [2016YFA0202402]
- Featured Areas Research Center Program, the Ministry of Science and Technology [M MOST 106-2221-E-009-132-MY3]
- Chinese Scholars Council [201706920073]
Because the visible and the infrared (IR) regions take up similar to 47% and similar to 51% of the energy in the solar spectrum (AM 1.5G standard), respectively, utilizing the visible light for plant growth and the IR light for power generation is potentially extremely exciting. IR-absorbing organic semiconductors, with localized IR absorption and visible-light transmittance, would be promising materials for this purpose. Here, flexible transparent organic photovoltaics (TOPVs) based on IR-absorbing organic materials were proposed, which can be a simple, low-cost, and promising way to utilize the IR light for electricity generation, and the penetrated visible light will be utilized for photosynthesis in plants. A power-conversion efficiency of similar to 10% with an average visible transmittance of 34% was achieved for TOPV devices. Meanwhile, the side-by-side comparison showed that plants grown under the TOPVs filtered light, and those under normal sunlight yielded very similar results. These outcomes demonstrated the results from TOPV devices beyond simple photovoltaic applications.
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