INVERTED VERSUS DIRECT STRUCTURE BULK HETEROJUNCTION ORGANIC SOLAR CELLS INVOLVING A TRIPHENYLAMINE-BASED SMALL MOLECULAR DONOR

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Abstract
Bulk heterojunction solar cells involving a triphenylamine-based molecular donor and PC61BM with direct and inverted structures have been fabricated and optimized. The devices have been characterized under simulated solar illumination and the conversion efficiency and stability of the two kinds of organic solar cells are discussed.