Preprint Communication Version 1 NOT YET PEER-REVIEWED

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

Version 1 : Received: 13 October 2016 / Approved: 14 October 2016 / Online: 14 October 2016 (11:18:43 CEST)
Version 2 : Received: 17 December 2016 / Approved: 18 December 2016 / Online: 18 December 2016 (09:48:30 CET)

A peer-reviewed article of this Preprint also exists.

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. 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.

Journal reference: Coatings 2016, 6, 71
DOI: 10.3390/coatings6040071

Abstract

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 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 increases was observed as well as enhanced photocurrent response in Cs doped CIS. Li and Na doped films have larger conductivity than the undoped film while the K and Cs doped samples display shorter currents and the current images indicate strong charge accumulation in the K and Cs doped films forming surface capacitors. Corrected CAFM IV curves were adjusted with Shockley equation.

Subject Areas

CuInSe2 electrodeposition; alkaline doping; current sensing atomic force microscopy

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