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Local Electrical Response in Alkaline-Doped Electrodeposited CuInSe2/Cu Films

Instituto Politécnico Nacional, Materiales y Tecnologías para Energía, Salud y Medioambiente (GESMAT), CICATA Altamira. Km.14.5 Carretera Tampico-Puerto Industrial, 89600 Altamira, Mexico
Facultad de Física, Universidad de La Habana, San Lázaro y L, Vedado, 10400 La Habana, Cuba
División de Estudios de Posgrado e Investigación, Instituto Tecnológico de Cd. Madero, Los Mangos, 89460 Cd. Madero Tamaulipas, Mexico
Instituto Politécnico Nacional, CICATA Legaria. Calzada Legaria 396 Col. Irrigación, 11500 CdMx, Mexico
CONACYT-Instituto Politécnico Nacional, GESMAT-CICATA Altamira 89600, Mexico
Author to whom correspondence should be addressed.
Academic Editors: Eva Pellicer and Jordi Sort
Coatings 2016, 6(4), 71;
Received: 13 October 2016 / Revised: 13 December 2016 / Accepted: 14 December 2016 / Published: 20 December 2016
(This article belongs to the Special Issue Thin Films and Patterned Structures by Electrochemical Methods)
PDF [3840 KB, uploaded 20 December 2016]


The local electrical response in alkaline-doped CuInSe2 films prepared by single-step electrodeposition onto Cu substrates was studied by current-sensing atomic force microscopy. The CuInSe2 (CIS) films were prepared from single baths containing the dopant ions (Li, Na, K or Cs) and were studied by X-ray diffraction, scanning electron microscopy, energy dispersive X-ray spectroscopy and photocurrent response. Increased crystallinity and surface texturing as the ion size increased were observed, as well as an enhanced photocurrent response in Cs-doped CIS. Li- and Na-doped films had larger conductivity than the undoped film while the K- and Cs-doped samples displayed shorter currents and the current images indicated strong charge accumulation in the K- and Cs-doped films, forming surface capacitors. Corrected current-sensing AFM IV curves were adjusted with the Shockley equation. View Full-Text
Keywords: CuInSe2 electrodeposition; alkaline doping; current sensing atomic force microscopy CuInSe2 electrodeposition; alkaline doping; current sensing atomic force microscopy

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Barón-Miranda, J.A.; Calzadilla, O.; Arvizu-Rodríguez, L.E.; Fernández-Muñoz, J.L.; Guarneros-Aguilar, C.; Chale-Lara, F.; Páramo-García, U.; Caballero-Briones, F. Local Electrical Response in Alkaline-Doped Electrodeposited CuInSe2/Cu Films. Coatings 2016, 6, 71.

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