Luminescence 3D-Ordered Porous Materials Composed of CdSe and CdTe Nanocrystals

Luminescence 3D-Ordered Porous Materials Composed of CdSe and CdTe Nanocrystals

The luminescence porous materials of CdTe or CdSe nanocrystals (NCs) were prepared by filling the corresponding NCs into the voids of colloidal crystal by co-deposition of polymer beads and NCs. After removing the beads with tetrahydrofuran (THF), the 3D-ordered porous materials of CdTe (or CdSe) NC...

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Veröffentlicht in:The journal of physical chemistry. B 2005-06, Vol.109 (23), p.11501-11504
Hauptverfasser: Yang, Linglu, Yang, Zhaohui, Cao, Weixiao, Chen, Li, Xu, Jun, Zhang, Huizhen
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container_end_page 11504
container_issue 23
container_start_page 11501
container_title The journal of physical chemistry. B
container_volume 109
creator Yang, Linglu
Yang, Zhaohui
Cao, Weixiao
Chen, Li
Xu, Jun
Zhang, Huizhen
description The luminescence porous materials of CdTe or CdSe nanocrystals (NCs) were prepared by filling the corresponding NCs into the voids of colloidal crystal by co-deposition of polymer beads and NCs. After removing the beads with tetrahydrofuran (THF), the 3D-ordered porous materials of CdTe (or CdSe) NCs were obtained. The wavelength of maximum photoluminescence of the NCs porous material shows obvious red shift compared with their aqueous dispersion. Under the excitation of high-energy electron the porous materials of CdTe and CdSe NCs will emit photons that can be collected to form a cathode luminescence (CL) image.
doi_str_mv 10.1021/jp050242r
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title Luminescence 3D-Ordered Porous Materials Composed of CdSe and CdTe Nanocrystals
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