Zinc thiosemicarbazone complexes: Single source precursors for alkylamine capped ZnS nanoparticles

被引:22
|
作者
Pawar, Amol S. [1 ]
Mlowe, Sixberth [2 ]
Garje, Shivram S. [1 ]
Akerman, Matthew P. [3 ]
Revaprasadu, Neerish [2 ]
机构
[1] Univ Mumbai Vidyanagari, Dept Chem, Santacruz E, Mumbai 400098, Maharashtra, India
[2] Univ Zululand, Dept Chem, Private Bag X1001, ZA-3886 Kwa Dlangezwa, South Africa
[3] Univ KwaZulu Natal, Sch Chem & Phys, Private Bag X01, ZA-3209 Pietermaritzburg, South Africa
基金
新加坡国家研究基金会;
关键词
Thiosemicarbazone; Single source precursor; Zinc sulfide; Optical properties; OPTICAL-PROPERTIES; FACILE SYNTHESIS; GROWTH; PARTICLES; PYROLYSIS; ZN(II); STATES; SIZES;
D O I
10.1016/j.ica.2017.04.009
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
We report the syntheses of Zn (II) thiosemicarbazone complexes, ZnCl2(benztsczH)(2) (1), Zn(benztscz)(2) (2) and Zn(4-C1-benztscz)(2) (3), where (benztscz = benzaldehyde thiosemicarbazone (L1) and 4-CI-benztscz = 4-Chloro benzaldehyde thiosemicarbazone (L2)). The complexes were used as single source precursors for the fabrication of ZnS nanoparticles via thermal decomposition at 230 degrees C using oleylamine as coordinating solvent. The single crystal X-ray structure of complex (1) was also elucidated. The powder X-ray diffraction (p-XRD) analysis confirmed the cubic and crystalline nature of the as-synthesized ZnS nanoparticles. Transmission electron microscope (TEM) analysis showed formation of spherical nanoparticles with sizes between 5 and 10 nm for oleylamine capped ZnS nanoparticles. Optical absorption analysis showed ZnS displaying size quantum effect due to the small size of the as -synthesized particles. The value of absorption band gap determined varies in the range of 3.7-3.9 eV. Room temperature photoluminescence (PL) spectrum of ZnS nanoparticles exhibit a blue emission peak at similar to 387 nm. (C) 2017 Elsevier B.V. All rights reserved.
引用
收藏
页码:7 / 13
页数:7
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