Physical and optical properties of size-selective CdTe nanocrystals

被引：1

作者：

Fok, Alice ^{[2
]}

Morales, Jorge ^{[3
]}

Sohel, Mohammad ^{[1
]}

机构：

[1] CUNY, Hostos Coll, Dept Nat Sci, Bronx, NY 10451 USA

[2] CUNY City Coll, Dept Chem, New York, NY 10031 USA

[3] CUNY City Coll, Dept Biol, New York, NY 10031 USA

来源：

PHYSICA STATUS SOLIDI C: CURRENT TOPICS IN SOLID STATE PHYSICS, VOL 7 NO 6 | 2010年 / 7卷 / 06期

关键词：

CdTe; nanocrystals; chemical synthesis; structure; optical properties; QUANTUM DOTS; LIVE CELLS;

D O I：

10.1002/pssc.200983270

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Physical and optical properties of colloidal cadmium telluride nanocrystals (CdTe NCs) were investigated. The CdTe NCs were synthesized by reacting elemental tellurium dissolved in tributylphosphine with a mixture of cadmium oxide, octadecene, and oleic acid. These NCs, which were characterized by transmission electron microscopy (TEM) are spherical and ranged from 5 to 7 nm in diameter. The identity of the compound post-synthesis was confirmed by X-Ray diffraction (XRD) patterns. UV-Vis and photoluminescence (PL) properties as grown and pure CdTe samples were investigated. Bright excitonic photoluminescence emission was observed. (c) 2010 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim

引用

页码：1520 / 1522

页数：3

共 13 条

[1]

Atkins P.W., 2006, Inorganic chemistry, V4th

[2]

Bentolila L A, 2005, Discov Med, V5, P213

[3]

Cai W., 2007, NANOSCALE RES LETT, V2, P6

[4] Long-term exposure to CdTe quantum dots causes functional impairments in live cells [J].