Aqueous synthesis and characterization of TGA-capped CdSe quantum dots at freezing temperature.
CdSe quantum dots (QDs) have traditionally been synthesized in organic phase and then transferred to aqueous solution by functionalizing their surface with silica, polymers, short-chain thiol ligands, or phospholipid micelles. However, a drastic increase in the hydrodynamic size and biotoxicity of QDs may hinder their biomedical applications. In this paper, the TGA-capped CdSe QDs are directly synthesized in aqueous phase at freezing temperature, and they prove to possess high QY (up to 14%).
College of Chemistry and Life Science, Zhejiang Normal University, Jinhua 321004, Zhejiang, China.
Qizhuang
Q
Sun
Shasha
S
Fu
Tingmei
T
Dong
Shuxian
S
Liu
Chaobiao
C
Huang
D019187:Cadmium Compounds / Q000138:chemical synthesis* / Q000737:chemistry*; D005615:Freezing; D006863:Hydrogen-Ion Concentration; D046529:Microscopy, Electron, Transmission; D045663:Quantum Dots; D018036:Selenium Compounds / Q000138:chemical synthesis* / Q000737:chemistry*; D013050:Spectrometry, Fluorescence; D013864:Thioglycolates / Q000737:chemistry*; D014867:Water / Q000737:chemistry*; D014961:X-Ray Diffraction
D019187:Cadmium Compounds; D018036:Selenium Compounds; D013864:Thioglycolates; D014867:Water; C017487:2-mercaptoacetate; C058667:cadmium selenide