Synthesis and characterization of one pot synthesized PVA capped PbS quantum dots

被引：0
|
作者：
Ganguly, Abhigyan [1 ]
Choudhury, Madhuchhanda [1 ]
Gope, Gautam [2 ]
Nath, Siddhartha Sankar [2 ]
机构：
[1] NIT Silchar, Dept ECE, Silchar, India
[2] Assam Univ, CIL, Silchar, India
来源：
PROCEEDINGS OF 2ND INTERNATIONAL CONFERENCE ON 2017 DEVICES FOR INTEGRATED CIRCUIT (DEVIC) | 2017年
关键词：
Quantum dots; PVA; UV-Vis; HRTEM; Fluorescence;
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
The properties of materials drastically change when matter performs a transition from bulk to nano size. The quantum dots (QDs) of lead sulphide (PbS) embedded into Polyvinyl alcohol (PVA) are synthesized via one pot synthesis chemical method. The specimen has been analyzed by UV/VIS absorption spectroscopy, High resolution transmission electron microscopy (HRTEM) and fluorescence spectroscopy. Quantum Dot size is calculated from the absorption spectra using hyperbolic band model and sizes of the dots are found to be around 6nm and the calculated value is in agreement with the size as determined by HRTEM. The photoluminescence spectra was also obtained for the samples.
引用
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页码：141 / 143
页数：3
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