Electrochemical synthesis of ZnTe thin films from citrate bath and their electrical properties with incorporation of Cu

Title
Electrochemical synthesis of ZnTe thin films from citrate bath and their electrical properties with incorporation of Cu
Author
이성준
Keywords
Chalcogenide; Electronic materials; Electrochemical techniques; Electrical characterization; ZINC TELLURIDE; NITRATE BATHS; SOLAR-CELLS; ELECTRODEPOSITION; CDTE; DEPOSITION; CDS/CDTE; CONTACT
Issue Date
2016-08
Publisher
ELSEVIER SCIENCE SA
Citation
MATERIALS CHEMISTRY AND PHYSICS, v. 179, Page. 10-16
Abstract
ZnTe and ZnTe:Cu thin films were electrochemically synthesized, and their electrical properties were systematically investigated. Electrochemical redox reactions of ionic species were identified by cyclic voltammetry, presenting the underpotential deposition (UPD) of Zn on Te-site occurred in the potential range of -0.6 to -1 V vs. Ag/AgCl. ZnTe thin films electrodeposited at 80 degrees C showed polycrystalline phase with strongly preferred to (111) direction observed by XRD. XPS analysis also indicated that there were no other phases in ZnTe films. Incorporation with Cu was performed using an electrodeposition bath containing Cu precursor, Cu(NO3)(2), and the amount of incorporated Cu was varied with concentration of the Cu precursor. A significant increase in carrier mobility (similar to 1 cm(2)/Vs) and concentration (similar to 10(18)/cm(3)) compared to undoped ZnTe thin films was achieved. (C) 2016 Elsevier B.V. All rights reserved.
URI
https://www.sciencedirect.com/science/article/pii/S025405841630267Xhttp://hdl.handle.net/20.500.11754/68038
ISSN
0254-0584; 1879-3312
DOI
10.1016/j.matchemphys.2016.04.046
Appears in Collections:
COLLEGE OF ENGINEERING SCIENCES[E](공학대학) > INTEGRATIVE ENGINEERING(융합공학과) > Articles
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