The route towards low-cost solution-processed high Voc solar cells

The route towards low-cost solution-processed high Voc solar cells. Edri, E., Kirmayer, S., Barnea-Nehoshtan, L., Mukhopadhyay, S., Kulbak, M., Tidhar, Y., Rybtchinski, B., Cahen, D., & Hodes, G. In 2014 IEEE Photonics Conference, pages 443-444, 12, 2014. IEEE.

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© 2014 IEEE.All photovoltaic device efficiencies are limited by the 'threshold' process inherent in how photovoltaic devices work: a photon above a certain energy level is required to excite an electron that will later be extracted as electrical current. This sets a limit to the efficiency of solar power conversion to electricity of a 'single threshold' system to about 30%. Differentiating the threshold to two 'steps' increases the theoretical limit to 42%. One of the proposed ways to achieve this is by splitting the solar spectrum and guide each part to a different device, each with a different threshold energy, matching a different portion of the solar spectrum. If the devices are stacked, this is called a tandem configuration. To make such a approach worthwhile, a photovoltaic device that uses the high-energy portion of the solar spectrum efficiently is required. Current available options are extremely costly and are not feasible for large-scale application, or are insufficiently inefficient to make their use worthwhile.

@inProceedings{
 title = {The route towards low-cost solution-processed high Voc solar cells},
 type = {inProceedings},
 year = {2014},
 identifiers = {[object Object]},
 pages = {443-444},
 websites = {http://ieeexplore.ieee.org/document/6995439/},
 month = {12},
 publisher = {IEEE},
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 created = {2017-06-20T20:40:32.644Z},
 file_attached = {false},
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 confirmed = {true},
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 abstract = {© 2014 IEEE.All photovoltaic device efficiencies are limited by the 'threshold' process inherent in how photovoltaic devices work: a photon above a certain energy level is required to excite an electron that will later be extracted as electrical current. This sets a limit to the efficiency of solar power conversion to electricity of a 'single threshold' system to about 30%. Differentiating the threshold to two 'steps' increases the theoretical limit to 42%. One of the proposed ways to achieve this is by splitting the solar spectrum and guide each part to a different device, each with a different threshold energy, matching a different portion of the solar spectrum. If the devices are stacked, this is called a tandem configuration. To make such a approach worthwhile, a photovoltaic device that uses the high-energy portion of the solar spectrum efficiently is required. Current available options are extremely costly and are not feasible for large-scale application, or are insufficiently inefficient to make their use worthwhile.},
 bibtype = {inProceedings},
 author = {Edri, Eran and Kirmayer, Saar and Barnea-Nehoshtan, Lee and Mukhopadhyay, Sabyasachi and Kulbak, Michael and Tidhar, Yaron and Rybtchinski, Boris and Cahen, David and Hodes, Gary},
 booktitle = {2014 IEEE Photonics Conference}
}

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