Biological Synthesis of Size-Controlled Cadmium Sulfide Nanoparticles Using Immobilized Rhodobacter sphaeroides

被引：79

作者：

Bai, Hongjuan ^{[1
]}

Zhang, Zhaoming ^{[2
]}

Guo, Yu ^{[1
]}

Jia, Wanli ^{[1
]}

机构：

[1] N Univ China, Chem Ind & Ecol Inst, Taiyuan 030051, Peoples R China

[2] Shanxi Univ, Coll Life Sci & Technol, Taiyuan 030006, Peoples R China

来源：

NANOSCALE RESEARCH LETTERS | 2009年 / 4卷 / 07期

关键词：

Biosynthesis; Cadmium sulfide; Nanoparticles; Rhodobacter sphaeroides; CDS NANOPARTICLES; RHODOPSEUDOMONAS-CAPSULATA; BIOSYNTHESIS; BACTERIA;

D O I：

10.1007/s11671-009-9303-0

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

Size-controlled cadmium sulfide nanoparticles were successfully synthesized by immobilized Rhodobacter sphaeroides in the study. The dynamic process that Cd2+ was transported from solution into cell by living R. sphaeroides was characterized by transmission electron microscopy (TEM). Culture time, as an important physiological parameter for R. sphaeroides growth, could significantly control the size of cadmium sulfide nanoparticles. TEM demonstrated that the average sizes of spherical cadmium sulfide nanoparticles were 2.3 +/- A 0.15, 6.8 +/- A 0.22, and 36.8 +/- A 0.25 nm at culture times of 36, 42, and 48 h, respectively. Also, the UV-vis and photoluminescence spectral analysis of cadmium sulfide nanoparticles were performed.

引用

页码：717 / 723

页数：7

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