Efficient bulk heterojunction photovoltaic devices based on modified PCBM
Source abstract
Abstract
Abstract Organic bulk heterojunction solar cells are a promising candidate for low-cost next-generation photovoltaic systems. In bulk heterojunction polymer solar cells, conjugated polymers and fullerene derivatives [6,6]-phenyl-C61-butyric acid methyl ester (PCBM) function as the electron-donating and electron-accepting materials, respectively. In this paper, we report the photovoltaic response of the solution-processed bulk heterojunction (BHJ) solar cell based on poly (2-methoxy-5-(2-ethylhexyloxy)-1,4-phenylenevinylene) (MEH-PPV): modified PCBM (MPCBM) blend. The BHJ showed power conversion efficiency (PCE) up to 1.78%. The PCE has been further improved up to 1.95% after thermal annealing of the active layer. The increase in the PCE with the thermally annealed blend is mainly attributed to the improvement in incident photon to current efficiency (IPCE) and short circuit photocurrent (Jsc).
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Research context
OpenAlex topics: Organic Electronics and Photovoltaics · Conducting polymers and applications · Perovskite Materials and Applications
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Department of Physics, Govt. Women Engineering College, Ajmer 305002, India
Department of Physics, Bhagwant University, Ajmer 305004, India
R & D Centre, JEC Group of Colleges, Jaipur Engineering College Campus, Jaipur 302028, India
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