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Nanoscale multilayer PbS thin films fabricated by liquid–liquid interface reaction technique for solar photovoltaic applications

In the present communication, the self-assembly of nanocrystalline PbS at the liquid–liquid interface is reported. The PbS nanocrystals were, subsequently, transformed in the form of thin films by dip coating. The resultant films were characterized by SEM-EDAX, TEM-SAED, XPS and UV–visible spectrosc...

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Published in:Materials science & engineering. B, Solid-state materials for advanced technology Solid-state materials for advanced technology, 2006-07, Vol.132 (1), p.170-173
Main Authors: Hawaldar, R.R., Umarji, G.G., Ketkar, S.A., Sathaye, S.D., Mulik, U.P., Amalnerkar, D.P.
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container_title Materials science & engineering. B, Solid-state materials for advanced technology
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description In the present communication, the self-assembly of nanocrystalline PbS at the liquid–liquid interface is reported. The PbS nanocrystals were, subsequently, transformed in the form of thin films by dip coating. The resultant films were characterized by SEM-EDAX, TEM-SAED, XPS and UV–visible spectroscopy. Pyramidal features at the nanometer scale and a sharp excitonic peak at 656 nm are the salient aspects of this work. The band gap of the order of 1.8 eV (associated with the excitonic feature) is ideally suited for solar photovoltaic applications.
doi_str_mv 10.1016/j.mseb.2006.02.004
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subjects Liquid–liquid interface
Nanopyramid
Nanostructures
PbS
title Nanoscale multilayer PbS thin films fabricated by liquid–liquid interface reaction technique for solar photovoltaic applications
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