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Lead Iodide Thin Films Grown Using N.N-Dimethylformamide as Solvent

Published online by Cambridge University Press:  01 February 2011

Jose Fernando Condeles ,
Ademar Marques Caldeira-Filho  and
Marcelo Mulato
Jose Fernando Condeles
Affiliation:
fernando_condeles@pg.ffclrp.usp.br, Universidade de São Paulo, Departamento de Física e Matemática, Faculdade de Filosofia, Ciências e Letras de Ribeirão Preto, Av. Bandeirantes 3900, Ribeirão Preto-SP, CA, 14040-901, Brazil
Ademar Marques Caldeira-Filho
Affiliation:
ademar@pg.ffclrp.usp.br, Universidade de São Paulo, Departamento de Física e Matemática, Faculdade de Filosofia, Ciências e Letras de Ribeirão Preto, Av. Bandeirantes 3900, Ribeirão Preto-SP, CA, 14040-901, Brazil
Marcelo Mulato
Affiliation:
mmulato@ffclrp.usp.br, Universidade de São Paulo, Departamento de Física e Matemática, Faculdade de Filosofia, Ciências e Letras de Ribeirão Preto, Av. Bandeirantes 3900, Ribeirão Preto-SP, CA, 14040-901, Brazil
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Abstract

Spray pyrolysis was used for the deposition of lead iodide (PbI2) thin films using N.N-dimethylformamide (DMF) as an alternative solvent under varying deposition parameters. Final thickness of 60 μm was obtained for a total deposition time of 2.5 hours. The films were characterized mainly by using Raman and photoluminescence, but additional techniques such as X-ray diffraction, scanning electron microscopy and dark conductivity as a function of temperature were also employed. Thick PbI2 films deposited by spray pyrolysis using DMF as a solvent are promising to be used in medical systems as X-ray imaging.

Keywords

solvent castingPboptical properties
Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 994: Symposium F – Semiconductor Defect Engineering–Materials, Synthetic Structures and Devices II , 2007 , 0994-F03-05
Copyright
Copyright © Materials Research Society 2007

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