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A revolution of photovoltaics: persistent electricity generation beyond solar irradiation

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Abstract

Renewable energy utilization by energy conversion devices is regarded as a promising solution to resolve energy crisis and environmental pollution problems. Solar energy occupies 99% of the total energy of the Earth; therefore, the development of photovoltaic technology to convert solar energy into electricity is attracting considerable interests. The state-of-the-art research in this field mainly focuses on the improvement of power conversion efficiency under the sunlight irradiation by new materials development, device structure optimization, technique innovation, etc. In real natural environments, there is no or negligible sunlight for at least half of the time, particularly during rainy, foggy days or at night. Therefore, it is a challenging but promising strategy to develop new-type solar cells that can persistently harvest waste energies from nature without sacrificing the solar-to-electric conversion ability. In theory, these photovoltaics may break through the theoretical efficiency limitation and maximize the total power output. In this frontier article, the status quo of these physical proof-of-concept hybrid solar cells as well as the preparation methods of the solar cell architectures, and why harvesting waste energies are discussed. According to the working principles, the possible strategies of improving waste energy conversion efficiency are also envisaged.

Graphical abstract: A revolution of photovoltaics: persistent electricity generation beyond solar irradiation

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Publication details

The article was received on 19 Sep 2018, accepted on 26 Nov 2018 and first published on 28 Nov 2018


Article type: Frontier
DOI: 10.1039/C8DT03784A
Citation: Dalton Trans., 2019, Advance Article
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    A revolution of photovoltaics: persistent electricity generation beyond solar irradiation

    J. Duan and Q. Tang, Dalton Trans., 2019, Advance Article , DOI: 10.1039/C8DT03784A

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