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Morphological Change of a PbSe film grown by Chemical Bath Deposition during Sensitization

Published online by Cambridge University Press:  25 May 2015

Youngjoon Suh  and
Sang Hee Suh
Youngjoon Suh
Affiliation:
Center for Electronic Materials, Korea Institute of Science and Technology, 5. Hwarang-ro 14-gil, Seongbuk-gu, Seoul 136-791, Republic of Korea
Sang Hee Suh
Affiliation:
Center for Electronic Materials, Korea Institute of Science and Technology, 5. Hwarang-ro 14-gil, Seongbuk-gu, Seoul 136-791, Republic of Korea
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Abstract

A PbSe film was grown by chemical bath deposition on a thermally oxidized Si (111) substrate. Morphological change of the PbSe film during sensitization under the oxygen and iodine atmospheres was studied by SEM. The as-grown polycrystalline PbSe film consists of clusters of about 200nm in diameter. By the oxidation treatment for 30 min at 380°C, the clusters became joined together. On the other hand, recrystallization of new PbSe crystals with faceted surfaces occurred during the iodination treatment under an iodine plus nitrogen atmosphere at 380°C for different durations. This morphological change during the sensitization treatment might affect the electro-optical properties of the PbSe film.

Keywords

solution depositionphotoconductivitysemiconducting
Type
Articles
Information
MRS Online Proceedings Library (OPL) , Volume 1804: Symposium RR – Solution Syntheses of Inorganic Functional/Multifunctional Materials , 2015 , pp. 19 - 23
Copyright
Copyright © Materials Research Society 2015 

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References

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