期刊
JOURNAL OF MATERIALS CHEMISTRY
卷 21, 期 8, 页码 2455-2458出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c0jm03229h
关键词
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资金
- National Natural Science Foundation of China [20873096, 20921062, 20621502]
- Chinese 973 Program [2011CB933600]
- Fundamental Research Funds for the Central Universities [1103005, 1101007, 3081001]
An enhanced photosensitizer combining biocompatible CdSe quantum dots (QDs) with water-soluble porphyrin was synthesized by a facile method. The two photon absorption (TPA) cross-section values of the QDs range from 800 to 2 400 Goeppert-Mayer units (GM), depending on the excitation wavelength, calculated by the standard method using R6G as a reference. The singlet oxygen generation under two-photon excitation (TPE) in the QD-porphyrin system was two times greater than that in the porphyrin solution alone. This study underlines the potential of QD-based photosensitizers for biological applications in TPE photodynamic therapy.
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