Special topic on organic and perovskite photovoltaics
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摘要:
Photovoltaics,as a green technology for converting solar energy into electricity,have shown great promise to address the energy and environmental challenges for the sustainability of human society.In recent years,two types of photovoltaics,consisting of organic semiconductors or perovskites as light absorbers,have experienced a rapid development.The development of organic solar cells (OSC)can be dated back to 1986,since the discovery of a bilayer OSC by Dr.C.W.Tang.Nowadays,OSCs made with polymer donors and small molecule acceptors have surpassed power conversion efficiencies (PCEs) of 16% for single-junction and 17% for tandem devices,through integrated innovative efforts on materials,interfaces,and device architectures.