Perylene Monoimide Dimers Enhance Ternary Organic Solar Cells Efficiency by Induced D–A Crystallinity

Abstract

Three acetylene-bridged perylene monoimide dimers were used as the second nonfullerene acceptor component for efficient ternary solar cells. The molecular aggregation behavior of the host donor and acceptor was greatly affected when active layer of film was prepared by solution method. Fifteen percent weight ratio of the third annexing agents adjusted the active layer properties of all sides including enhanced light absorption, improved morphology, and facilitating the excitons splitting, transporting, and collection. A great increase in V OC, J SC, and fill factor was observed; consequently, a power conversion efficiency increase to 9.77% was obtained compared to that of 8.35% of the control binary device.

Organic Solar Cells' Efficiency Enhanced by Perylene Monoimide Phosphorus Salt Cathode Interfacial Layer

“…Recently, conjugated perylene diimide (PDI) derivatives as CIL materials or active layer materials have resulted in a high PCE of OSCs . In contrast, the decent PCE of its sister perylene monoimide (PMI) has not been reported in the OSC field . However the PMI compounds have an even lower reduction potential, broad spectra, and long‐term photostability than PDI.…”

Emphasizing the Operational Role of a Novel Graphene-Based Ink into High Performance Ternary Organic Solar Cells

“…The operation of a ternary OSC device relies on one of the four existing dominant mechanisms including: (1) charge transfer, (2) Forster resonance energy transfer, (3) parallel-linkage, and (4) alloyed donor structure mechanism [12,13]. Thus, according to the above mechanisms, small molecules [14][15][16][17][18], polymers [19][20][21], dye molecules [22,23], graphene-based materials [24,25] or 2D materials [12,26,27] could be chosen and incorporated as additives within the binary active layer.…”

Benzothiadiazole Based Cascade Material to Boost the Performance of Inverted Ternary Organic Solar Cells

“…This can be secured with the integration into the active layer of a third component [29][30][31][32]. This third element could be a polymer [32][33][34][35], an organic small molecule [36][37][38][39][40][41][42][43][44][45][46][47][48][49], a dye [50][51][52], a fullerene derivative [53], a graphene and a two dimensional (2D)-based material [54][55][56][57][58][59], or a nanocrystal [60]. The introduction and the availability of materials to be leveraged as third element support the better engineering of this architecture towards better photovoltaic OSCs' performances.…”