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How Organic Semiconductors Are Revolutionizing Solar Power.
New research partially explains the exceptional performance of a new class of organic semiconductors called non-fullerene acceptors (NFAs). Solar energy plays a vital role in the transition to a clean-energy future. Typically, silicon, a common semiconductor found in everyday electronics, is used t
“They can potentially lower the production cost for solar panels because these materials can be coated on arbitrary surfaces using solution-based methods – just like how we paint a wall,” said Wai-Lun Chan, associate professor of physics and astronomy at the University of Kansas. In a breakthrough study appearing in Advanced Materials, Chan and his team, including graduate students Kushal Rijal (lead author), Neno Fuller and Fatimah Rudayni from the department of Physics and Astronomy, and in collaboration with Cindy Berrie, professor of chemistry at KU, have discovered a microscopic mechanism that solves in part the outstanding performance achieved by an NFA. Reference: “Endothermic Charge Separation Occurs Spontaneously in Non-Fullerene Acceptor/Polymer Bulk Heterojunction” by Kushal Rijal, Neno Fuller, Fatimah Rudayni, Nan Zhang, Xiaobing Zuo, Cindy L. Berrie, Hin-Lap Yip and Wai-Lun Chan, 19 May 2024, Advanced Materials.
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