Browsing by Author "Liao, Yung-Sheng"
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Item type:Item, Low-temperature, simple and efficient preparation of perovskite solar cells using Lewis bases urea and thiourea as additives: stimulating large grain growth and providing a PCE up to 18.8%(2018-01-01) ;Hsieh, Cheng-Ming ;Liao, Yung-Sheng ;Lin, Yan-Ru ;Chen, Chih-PingTsai, Cheng-MinWe demonstrated that two Lewis bases - urea and thiourea - acted as efficient additives for CH3NH3(MA)PbI3-xClx and MAPbI(3) perovskite solar cells (PSCs) and observed a significant increase in PCE for the MAPbI(3) devices in the presence of 1% urea with a remarkable PCE of 18.8% using an extremely low annealing temperature (85 degrees C).