Recent Approaches to Controlling the Nanoscale Morphology of Polymer-Based Bulk-Heterojunction Solar Cells

Wasiu Adebayo Hammed, Rosiyah Yahya, Abdulra'uf Lukman Bola and Habibun Nabi Muhammad Ekramul Mahmud
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Wasiu Adebayo Hammed: Department of Chemistry, Faculty of Science, University of Malaya, Kuala Lumpur 50603, Malaysia
Rosiyah Yahya: Department of Chemistry, Faculty of Science, University of Malaya, Kuala Lumpur 50603, Malaysia
Abdulra'uf Lukman Bola: Department of Chemistry, Faculty of Science, University of Malaya, Kuala Lumpur 50603, Malaysia
Habibun Nabi Muhammad Ekramul Mahmud: Department of Chemistry, Faculty of Science, University of Malaya, Kuala Lumpur 50603, Malaysia

Energies, 2013, vol. 6, issue 11, 1-22

Abstract: The need for clean, inexpensive and renewable energy has increasingly turned research attention towards polymer photovoltaic cells. However, the performance efficiency of these devices is still low in comparison with silicon-based devices. The recent introduction of new materials and processing techniques has resulted in a remarkable increase in power-conversion efficiency, with a value above 10%. Controlling the interpenetrating network morphology is a key factor in obtaining devices with improved performance. This review focuses on the influence of controlled nanoscale morphology on the overall performance of bulk-heterojunction (BHJ) photovoltaic cells. Strategies such as the use of solvents, solvent annealing, polymer nanowires (NWs), and donor–acceptor (D–A) blend ratios employed to control the active-layer morphologies are all discussed.

Keywords: bulk-heterojunction; solar cell; active layer; photovoltaic (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2013
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (2)

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