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Heat-Insulating Multifunctional Semitransparent Polymer Solar Cells
Joule ( IF 38.6 ) Pub Date : 2018-07-03 , DOI: 10.1016/j.joule.2018.06.006
Chen Sun , Ruoxi Xia , Hui Shi , Huifeng Yao , Xiang Liu , Jianhui Hou , Fei Huang , Hin-Lap Yip , Yong Cao

Semitransparent organic photovoltaics (ST-OPVs) have attracted extensive attention due to their potential for integration into the windows of buildings. Herein, we propose a dual-functional ST-OPV device that is not only highly efficient but also very effective for heat insulation. By introducing non-fullerene acceptor with enhanced near-infrared absorption and distributed Bragg reflectors for selectively enhancing the transmittance in visible wavelengths while keeping high reflectance for near-infrared light, the ST-OPVs generate over 6% power conversion efficiency with high visible light transmission of over 25% and outstanding infrared radiation rejection rate of over 80%. Our results show that with proper design of ST-OPVs, they can be used not only for generating power from sunlight but also for solar shading and heat insulation, which opens up a new application of OPVs for both energy harvesting and saving.



中文翻译:

隔热多功能半透明聚合物太阳能电池

半透明有机光伏(ST-OPV)由于具有集成到建筑物窗户中的潜力,因此受到了广泛的关注。在此,我们提出了一种双功能ST-OPV装置,其不仅高效而且对于隔热非常有效。通过引入具有增强的近红外吸收能力的非富勒烯受体和分布式布拉格反射器,以选择性地提高可见光波长的透射率,同时保持对近红外光的高反射率,ST-OPV产生了超过6%的功率转换效率,并具有高可见光透射率超过25%的产品,出色的红外辐射抑制率超过80%。我们的结果表明,通过适当设计ST-OPV,它们不仅可以用于利用太阳光发电,还可以用于遮阳和隔热,

更新日期:2018-07-03
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