CdS/CdSe HETEROSTRUCTURES GROWN BY CHEMICAL TECHNIQUES ON FLEXIBLE PET/ITO SUBSTRATES

Faculty of Chemistry, Materials-Energy, Autonomous University of Querétaro (UAQ), C.P. 76010 Santiago de Querétaro, Qro, México; K. RODRÍGUEZ-ROSALES; K. NIETO-ZEPEDA; Faculty of Chemistry, Materials-Energy, Autonomous University of Querétaro (UAQ), C.P. 76010 Santiago de Querétaro, Qro, México; J. G. QUIÑONES-GALVÁN; Department of Physics, University Center for Exact Sciences and Engineering, Guadalajara University, Guadalajara, Jalisco, C.P. 44430, México.; J. SANTOS-CRUZ; Faculty of Chemistry, Materials-Energy, Autonomous University of Querétaro (UAQ), C.P. 76010 Santiago de Querétaro, Qro, México; S. A. MAYÉN-HERNÁNDEZ; Faculty of Chemistry, Materials-Energy, Autonomous University of Querétaro (UAQ), C.P. 76010 Santiago de Querétaro, Qro, México; A. GUILLEN-CERVANTES; Department of Physics, CINVESTAV-IPN, Apdo. Postal 14-740, México D. F. 07360, México; F. DE MOURE-FLORES; Faculty of Chemistry, Materials-Energy, Autonomous University of Querétaro (UAQ), C.P. 76010 Santiago de Querétaro, Qro, México

doi:10.15251/cl.2020.1710.529

journal article·2020-10Open access

CdS/CdSe HETEROSTRUCTURES GROWN BY CHEMICAL TECHNIQUES ON FLEXIBLE PET/ITO SUBSTRATES

Faculty of Chemistry, Materials-Energy, Autonomous University of Querétaro (UAQ), C.P. 76010 Santiago de Querétaro, Qro, México, K. RODRÍGUEZ-ROSALES, K. NIETO-ZEPEDA, Faculty of Chemistry, Materials-Energy, Autonomous University of Querétaro (UAQ), C.P. 76010 Santiago de Querétaro, Qro, México, J. G. QUIÑONES-GALVÁN, Department of Physics, University Center for Exact Sciences and Engineering, Guadalajara University, Guadalajara, Jalisco, C.P. 44430, México., J. SANTOS-CRUZ, Faculty of Chemistry, Materials-Energy, Autonomous University of Querétaro (UAQ), C.P. 76010 Santiago de Querétaro, Qro, México, S. A. MAYÉN-HERNÁNDEZ, Faculty of Chemistry, Materials-Energy, Autonomous University of Querétaro (UAQ), C.P. 76010 Santiago de Querétaro, Qro, México, A. GUILLEN-CERVANTES, Department of Physics, CINVESTAV-IPN, Apdo. Postal 14-740, México D. F. 07360, México, F. DE MOURE-FLORES, Faculty of Chemistry, Materials-Energy, Autonomous University of Querétaro (UAQ), C.P. 76010 Santiago de Querétaro, Qro, México

Chalcogenide Letters· Volume 17· Issue 10

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Source abstract

Abstract

Undoped and Mn-doped CdS films, CdSe films and CdS:Mn/CdSe heterostructures were deposited by chemical techniques. Undoped and Mn-doped CdS films were grown onto flexible PET/ITO substrates by chemical bath deposition at different temperatures. CdSe thin films were synthesized following a two stages process. In the first stage, CdO2 precursor films, were synthesized by chemical bath deposition at different deposition time. In the second stage, the CdO2 precursor films were transformed into CdSe films by immersion in a Se ionic solution. CdS, CdS:Mn, CdSe and CdS/CdSe samples were characterized by high-resolution transmission electron microscopy, UV-vis, Raman and room temperature photoluminescence spectroscopies. The structural characterization indicates that CdS and CdSe films with hexagonal phase were obtained. CdSe films showed the LO Raman mode with three order phonon replicas, an indication of the excellent crystalline quality of the samples.

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Research context

Materials processing

OpenAlex topics: Quantum Dots Synthesis And Properties · Chalcogenide Semiconductor Thin Films · Semiconductor materials and interfaces

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