A layer of a naturally occurring chemical known as L-gluthathion can extend semi-transparent solar cells’ lifespans while also improving their efficiency.
, describing how integrating a layer of a naturally occurring chemical known as L-gluthathion can extend semi-transparent solar cells’ lifespans while also improving their efficiency. Yang Yang, a materials scientist at UCLA’s Samueli School of Engineering, explained that organic materials could be a major tool within agrivoltaics, because they selectivity absorb certain spectrums of light. Historically, however, they have been too unstable to widely deploy in the solar energy industry.
Inorganic solar cells’ organic counterparts often degrade extremely quickly as sunlight causes them to lose electrons through oxidation. By adding a thin layer of carbon-based L-gluthathion, the previously short-lived cells could maintain upwards of 80 percent efficacy after 1,000 usage hours—a major step up from the less than 20 percent efficacy over the same time period sans L-gluthathion.
Yang’s team hopes to eventually scale production of the new organic solar cells for widespread industrial usages.
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