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    Temperature and Mixing Ratio Effects in the Formation of CdSe/CdS/ZnS Quantum Dots with 4 '-n-octyl-4-p-Cyanobiphenyl Thin Films

    Year: 2017

    Journal: BioNanoScience, Volume 7, DEC, page 666–671

    Authors: Chumakov, A. S.; Al-Alwani, Ammar J.; Gorbachev, I. A.; Ermakov, A. V.; Kletsov, A. A.; Glukhovskoy, E. G.; Kazak, A. V.; Usol'tseva, N. V.; Shtykov, S. N.

    Organizations: grant of the Russian Science Foundation [RSF-14-12-00275]; National Research Saratov State University; RFBR [16-27-50050]; Ivanovo State University

    Keywords: Langmuir-Blodgett; Monolayers; Liquid crystal; Quantum dots; Solar cell

    At present, the quantum dots are very interesting and promising material for photovoltaic devices. Quantum dots and 4'-n-octyl-4-p-cyanobiphenyl Langmuir monolayers at the water-air surface have been studied with the use of surface pressure-area isotherm measurements. In addition, the stabilization of quantum dot dispersion in liquid crystal matrices has been studied. Monolayers on the water surface and films on solid substrate were obtained at various conditions: concentration, different ratio of components, and different temperature. Film morphology has been studied by atomic force microscopy (AFM) and scanning tunneling microscopy (STM) methods. The conditions under which the film covered substrate homogeneously have been achieved.
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