Photon energy upconversion through thermal radiation with the power efficiency reaching 16%.

@article{Wang2014PhotonEU,
  title={Photon energy upconversion through thermal radiation with the power efficiency reaching 16%.},
  author={Junxin Wang and Tian Ming and Z. H. Jin and Jianfang Wang and Ling-dong Sun and Chun-Hua Yan},
  journal={Nature communications},
  year={2014},
  volume={5},
  pages={5669}
}
The efficiency of many solar energy conversion technologies is limited by their poor response to low-energy solar photons. One way for overcoming this limitation is to develop materials and methods that can efficiently convert low-energy photons into high-energy ones. Here we show that thermal radiation is an attractive route for photon energy upconversion, with efficiencies higher than those of state-of-the-art energy transfer upconversion under continuous wave laser excitation. A maximal… CONTINUE READING
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