Facile synthesis of a PbS1−xSex (0 ≤ x ≤ 1) solid solution using bis(N,N-diethyl-N′-naphthoylchalcogenoureato)lead(II) complexes

Selina Ama Saah; Malik Dilshad Khan; Paul D. McNaughter; Johannes A. M. Awudza; Neerish Revaprasadu; Paul O’Brien

doi:10.1039/C8NJ03299H

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Facile synthesis of a PbS_1−xSe_x (0 ≤ x ≤ 1) solid solution using bis(N,N-diethyl-N′-naphthoylchalcogenoureato)lead(ii) complexes†

Selina Ama Saah,

^ab Malik Dilshad Khan,

^cd Paul D. McNaughter,

^d Johannes A. M. Awudza,^a Neerish Revaprasadu

*^c and Paul O’Brien

*^de

Author affiliations

* Corresponding authors

^a Department of Chemistry, Kwame Nkrumah University of Science and Technology, Kumasi, Ghana

^b Department of Chemical Sciences, University of Energy and Natural Resources, Sunyani, Ghana

^c Department of Chemistry, University of Zululand, Private bag X1001, Kwa-Dlangezwa 3880, South Africa
E-mail: RevaprasaduN@unizulu.ac.za

^d School of Chemistry, The University of Manchester, Oxford Road, Manchester, UK

^e School of Materials, The University of Manchester, Oxford Road, Manchester, UK

Abstract

A nanocrystalline PbS_1−xSe_x (where 0 ≤ x ≤ 1) solid solution has been synthesized over the entire range of composition using bis(N,N-diethyl-N′-naphthoyl thio- (1) and seleno- (2) ureato) complexes of lead, via the hot injection route. The p-XRD analysis of the PbS_1−xSe_x series shows that the diffraction peaks of the alloy system is intermediate between pure PbS and PbSe. The alloyed nanoparticles displayed cubic morphologies similar to the parent materials. The absorption band gap for the alloyed system showed a linear shift from PbS to PbSe as a function of composition and is related to the change in the lattice parameters.

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Article information

DOI: https://doi.org/10.1039/C8NJ03299H
Article type: Paper
Submitted: 02 Jul 2018
Accepted: 28 Aug 2018
First published: 29 Aug 2018

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New J. Chem., 2018,42, 16602-16607

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Facile synthesis of a PbS_1−xSe_x (0 ≤ x ≤ 1) solid solution using bis(N,N-diethyl-N′-naphthoylchalcogenoureato)lead(II) complexes

S. A. Saah, M. D. Khan, P. D. McNaughter, J. A. M. Awudza, N. Revaprasadu and P. O’Brien, New J. Chem., 2018, 42, 16602 DOI: 10.1039/C8NJ03299H

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