期刊
ACS APPLIED MATERIALS & INTERFACES
卷 3, 期 4, 页码 1077-1082出版社
AMER CHEMICAL SOC
DOI: 10.1021/am101218m
关键词
conjugated polymers; polymer composites; semiconductor nanoparticles; confocal fluorescence microscope; AFM; fluoresence
资金
- Air Force Office of Scientific Research
- U.S. Department of Energy by Lawrence Livermore National Laboratory [DE-AC52-07NA27344]
- Sandia National Laboratories
- U.S. Department of Energy's National Nuclear Security Administration [DE-AC04-94AL85000]
The dispersion of CdTe tetrapods in a conducting polymer and the resulting charge transfer is studied using a combination of confocal fluorescence microscopy and atomic force microscopy (AFM). The results of this work show that both the tetrapod dispersion and charge transfer between the CdTe and conducting polymer (P3HT) are greatly enhanced by exchanging the ligands on the surface of the CdTe and by choosing proper solvent mixtures. The ability to experimentally probe the relationship between particle dispersion and charge transfer through the combination of AFM and fluorescence microscopy provides another avenue to assess the performance of polymer/semiconductor nanoparticle composites.
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