Chem. J. Chinese Universities ›› 2015, Vol. 36 ›› Issue (4): 608.doi: 10.7503/cjcu20141079
• Articles: Inorganic Chemistry • Previous Articles Next Articles
XIE Xian1, YU Meihua2, ZHANG Huiping1, WANG Yilin1,*()
Received:
2014-12-05
Online:
2015-04-10
Published:
2015-03-27
Contact:
WANG Yilin
E-mail:theanalyst@163.com
Supported by:
CLC Number:
TrendMD:
XIE Xian, YU Meihua, ZHANG Huiping, WANG Yilin. Aqueous Synthesis of CdTe Quantum Dots via Ascorbic Acid Reducing Sodium Tellurite†[J]. Chem. J. Chinese Universities, 2015, 36(4): 608.
Fig.1 Absorption(A) and photoluminescence(B) spectra for a series of CdTe QDs prepared at pH=10.5, n(Cd):n(Te):n(TGA)=2:0.10:4.2 for different refluxing time Reflux time/min: a. 10; b. 30; c. 120; d. 300; e. 480. Inset of (A) shows the relationship between particle size and reflux time.
Fig.5 Influences of various TGA/Cd molar ratios on photoluminescence spectra of CdTeQDs prepared at pH=10.5n(Te):n(Cd)=0.1:2. n(TGA)/n(Cd): (A) 3.5/2; (B) 4.9/2; (C) 5.6/2; (D) 6.3/2. Reflux time/min: a. 10; b. 30; c. 120; d. 300; e. 480.
Fig.6 Influences of various Te/Cd molar ratios on photoluminescence spectra of CdTe QDs prepared at pH= 10.5 n(TGA):n(Cd)=4.2:2. n(Te)/n(Cd): (A) 0.05/2; (B) 0.15/2. Reflux time/min: a. 10; b. 30; c. 120; d. 300; e. 480.
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