Optical Properties of PbS Nanoparticles Grown by Chemical Reduction Route

Please use this identifier to cite or link to this item: http://inet.vidyasagar.ac.in:8080/jspui/handle/123456789/927

Title:	Optical Properties of PbS Nanoparticles Grown by Chemical Reduction Route
Authors:	Bhunia, A K Kamilya, T Saha, S
Keywords:	PbS nanoparticles Absorption Band gap Photoluminescence
Issue Date:	24-Dec-2015
Publisher:	Vidyasagar University , Midnapore , West-Bengal , India
Series/Report no.:	Journal of Physical Science;Vol. 20 [2015]
Abstract:	A simple chemical Reduction Route method has been successfully used to fabricate lead sulphide (PbS) nanoparticles (NPs). In this process Sodium Borohydride was used as reducing agent in the medium THF. The speed of rotation was varied from 5000 rpm to 9000 rpm. UV-visible spectrum was used to calculate the band gap of the nanoparticles. The value of the band gap also suggests the quantum confinement effect. It is observed that optical band gap is increased as the speed of rotation is increased. For a particular RPM the growth mechanism is optimum with respect to other speed. Photoluminescence spectrum of PbS NPs shows emission in NIR region.
Description:	221-224
URI:	http://inet.vidyasagar.ac.in:8080/jspui/handle/123456789/927
ISSN:	2350-0352
Appears in Collections:	Journal of Physical Sciences Vol.20 [2015]

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