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Issue
Korean Journal of Chemical Engineering,
Vol.28, No.7, 1625-1631, 2011
Controlling the morphology of trioctyl phosphine oxide-coated cadmium selenide/poly 3-hexyl thiophene composite active layer for bulk hetero-junction solar cells
Truong NTN, Monroe ML, Farva U, Anderson TJ, Park C
Bulk hetero-junction solar cells with CdSe nanoparticles-P3HT (poly 3-hexyl thiophene)composite active layer were fabricated, and the control of morphological feature of the nanoparticle-polymer composite thin films was investigated. A binary solvent composed of a primary solvent with intermediate polarity and a secondary solvent with high polarity was found to be effective in controlling the dispersion of the CdSe nanocrystals in the P3HT matrix, and the modification of the nanocrystal surface by liquid-liquid extraction process was found to be effective in achieving the desired composite film morphology. Surface roughness of the active layer was optimized for various loadings of CdSe nanoparticles and could be reproducibly controlled to less than 10 nm.
Keywords: Bulk Hetero-junction Solar Cell; Active Layer; CdSe Quantum Dot; Conjugated Polymer; Nanoparticle Dispersion
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[Cited By]
  1. Im SH, Lee SJ, Suh DJ, Park OO, Kwon MH, Korean Journal of Chemical Engineering, 32(7), 1422, 2015
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