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Citation: ZHANG Zhen-Lei, WU Qing-Sheng, DING Ya-Ping. Preparation of CdS Nanoparticles via Porous PTFE Membrane and Their Surface Modification[J]. Chinese Journal of Applied Chemistry, ;2004, 21(8): 762-765. shu

Preparation of CdS Nanoparticles via Porous PTFE Membrane and Their Surface Modification

1.
a Department of Chemistry, Tongji University, Shanghai 200092;
2.
b Department of Chemistry, Shanghai University, Shanghai

Corresponding author: WU Qing-Sheng,
Received Date: 6 September 2003
Available Online: 26 February 2004
Fund Project:

The CdS particles of average size of 3.2 nm were produced from 0.1 mol/L Na₂S and CdCl₂ solutions via transmembrane transportation and molecular assembly under inducement of polytetrafluoroethylene (PTFE) porous membrane. XRD results indicated that the products are of cubic zinc blende structure. The particles exhibit a strong emission peak at 522 nm in the photoluminescence (PL) spectrum. The surface of CdS nanoparticles have been modified with HSCH₂COOH, and there is a characteristic peak of the group -C=O at 1680 cm^-1 in the FTIR spectrum of the modified crystals.
- CdS,
- nanoparticle,
- polytetrafluoroethylene,
- porous membrane,
- surface modification
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