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Home / Journal of Nanoscience and Nanotechnology, Volume 16, Number 5

The Role of Nanocrystal Size in Solution Processable CdSe:P3HT Hybrid Photovoltaic Devices

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Authors: Bera, Susnata; Ray, Samit K

Source: Journal of Nanoscience and Nanotechnology, Volume 16, Number 5, May 2016, pp. 4840-4845(6)

Publisher: American Scientific Publishers

DOI: https://doi.org/10.1166/jnn.2016.12351

Hybrid photovoltaic devices were fabricated using different sizes of CdSe quantum dots with different loading concentrations in P3HT matrix. CdSe quantum dots were synthesized chemically using olive oil as the capping agent, instead of toxic phosphine. The efficiency of hybrid poly-(3-hexylthiophene-2,5-diyl) P3HT:CdSe photovoltaic device was found to depend on the size as well as the loading of the nanocrystals. A maximum power conversion efficiency of ∼0.8% was achieved under AM1.5G solar illumination for the device with ∼5.3 nm CdSe nanocrystals. A hybrid photovoltaic device was demonstrated on polyethylene terephthalate (PET) substrates paving the way to achieve flexible, transparent and printable devices.

Keywords: CdSe; Efficiency; Flexible Device; Hybrid Photovoltaic Device; Quantum Dots

Document Type: Research Article

Affiliations: Department of Physics, Indian Institute of Technology, Kharagpur 721302, India

Publication date: 01 May 2016

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  • Journal for Nanoscience and Nanotechnology (JNN) is an international and multidisciplinary peer-reviewed journal with a wide-ranging coverage, consolidating research activities in all areas of nanoscience and nanotechnology into a single and unique reference source. JNN is the first cross-disciplinary journal to publish original full research articles, rapid communications of important new scientific and technological findings, timely state-of-the-art reviews with author's photo and short biography, and current research news encompassing the fundamental and applied research in all disciplines of science, engineering and medicine.
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