Efficient p-i-n type organic solar cells incorporating 1,4,5,8-naphthalenetetracarboxylic dianhydride as transparent electron transport material
作者： Christiane Falkenberg , Christian Uhrich , Selina Olthof , Bert Maennig , Moritz K. Riede
DOI: 10.1063/1.2963992
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摘要: The implementation of proper charge carrier transport materials in p-i-n type organic solar cells strongly influences the device performance. Our investigation focuses on substitution standard layer sequence used at side electron transport, usually consisting either C60/exciton blocking layer/metal or n-C60/metal by a including window layer. Here, we evaluate transparent material 1,4,5,8-naphthalenetetracarboxylic dianhydride (NTCDA), which guarantees loss free extraction from active due to good energy level alignment as well exciton its wide bandgap. It is demonstrated that upon exchange n-C60 for n-NTCDA, power conversion efficiency can be increased 10%.
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