MATEC Web Conf.
Volume 67, 2016International Symposium on Materials Application and Engineering (SMAE 2016)
|Number of page(s)||7|
|Section||Chapter 1 Chemical Engineering|
|Published online||29 July 2016|
Synthesis and Characterization of Water-soluble Sb2S3 Quantum Dots
School of Chemistry and Molecular Engineering, East China University of Science and Technology, Shanghai 200237 China
* Corresponding Author: email@example.com
** Corresponding Author: firstname.lastname@example.org
Taking thioacetamide (TAA) as sulfur source and mercaptoacetic acid as capping agent, water-soluble Sb2S3 quantum dots were synthesized in aqueous-phase with precipitation method. The influence of temperature (65 to 85 °C) and reaction time (3 to 7 h) on morphological characteristics of the products was studied. The as-prepared Sb2S3 quantum dots were characterized with X-ray diffraction (XRD), energy dispersive X-ray spectroscopy (EDS), scanning electron microscopy (SEM), transmission electron microscopy (TEM), ultraviolet-visible spectrophotometry (UV-vis) and photoluminescence (PL), which suggested the Sb2S3 quantum dots have uniform size distribution and excellent optical properties. Moreover, a formation mechanism of Sb2S3 quantum dots was also proposed.
© The Authors, published by EDP Sciences, 2016
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