journal6 ›› 2012, Vol. 33 ›› Issue (4): 101-105.DOI: 10.3969/j.issn.1007-2985.2012.04.023

• Chemistry and chemical engineering • Previous Articles     Next Articles

In Situ Grown  CdTe Quantum Dots on MWCNTs and Its Coupling with BSA


  1. (1.College of Chemistry and Chemical Engineering,Jishou University,Jishou 416000,Hunan China;2.State Key Laboratory of Analytical Chemistry for Life Science,Nanjing University,Nanjing 210093,China)
  • Online:2012-07-25 Published:2012-09-11

Abstract: The CdTe quantum dots grew in situ on the multiwalled carbon nanotubes (MWCNTs) with thioglycollic acid as the stabilizer,Cd2+ and NaTeH as reactant in aqueous solution.The as prepared CdTe-MWCNTs quantum dots-MWCNTs heterojunctions could couple with bovine serum albumin (BSA).Both CdTe-MWCNTs and CdTe-MWCNTs-BSA were characterized by TEM,fluorescence spectrum,UV and FT-IR measurements.The fluorescence analysis showed that functionalized MWCNTs had weak fluorescence,both CdTe-MWCNTs heterojunctions and CdTe-MWCNTs-BSA multiplex exhibited fluorescence absorption.The TEM results revealed that the diameter of CdTe quantum dots was about 5 nm.The FT-IR spectra indicated that the CdTe quantum dots grew on the functionalized MWCNTs and coupled with BSA.

Key words: MWCNTs, CdTe quantum dots, BSA

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