期刊
ELECTROCHIMICA ACTA
卷 257, 期 -, 页码 259-266出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.electacta.2017.10.086
关键词
All-weather solar cell; Dye-sensitized solar cell; Energy harvest; Photoanode; Photovoltaic device
资金
- National Natural Science Foundation of China [21503202, 61604143, 61774139]
- Shandong Provincial Natural Science Foundation [JQ201714]
- Fundamental Research Funds for the Central Universities [201564002, 201762018]
A great challenge for state-of-the-art photovoltaic devices is to realize electric power generation in all weathers. We constructively demonstrate here the conversion from biomass to carbon quantum dots for all-weather carbon quantum dot solar cells that can generate electricity in the daytime and in the dark. The combination of green-emitting long persistence phosphors with mesoscopic titanium dioxide realizes optical storage by composite photoanode under illumination and excitation to monochromatic green light in the dark. The optimized all-weather solar cell yields maximized dark power conversion efficiency as high as 7.97% along with persistent electricity output for several hours. This work begins a photovoltaic revolution to forward all-weather solar cells as future energy solutions. (C) 2017 Elsevier Ltd. All rights reserved.
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