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Issue 26, 2018
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Near infrared harvesting dye-sensitized solar cells enabled by rare-earth upconversion materials

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Abstract

Dye-sensitized solar cells (DSSCs) have been deemed as promising alternatives to silicon solar cells for the conversion of clean sunlight energy into electricity. A major limitation to their conversion efficiency is their inability to utilize light in the infrared (IR) spectral range, which constitutes almost half the energy of the sun's radiation. This fact has elicited motivations and endeavors to extend the response wavelength of DSSCs to the IR range. Photon upconversion through rare-earth ions constitutes one of the most promising approaches toward the goal of converting near-IR (NIR) or IR light into visible or ultraviolet light, where DSSCs typically have high sensitivity. In the present review, we summarize recent progress based on the utilization of various upconversion materials and device structures to improve the performance of dye-sensitized solar cells.

Graphical abstract: Near infrared harvesting dye-sensitized solar cells enabled by rare-earth upconversion materials

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Publication details

The article was received on 27 Nov 2017, accepted on 12 Jan 2018 and first published on 12 Jan 2018


Article type: Perspective
DOI: 10.1039/C7DT04461E
Citation: Dalton Trans., 2018,47, 8526-8537
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    Near infrared harvesting dye-sensitized solar cells enabled by rare-earth upconversion materials

    D. Li, H. Ågren and G. Chen, Dalton Trans., 2018, 47, 8526
    DOI: 10.1039/C7DT04461E

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