직/편성물 염색

Photophysical and Photochemical Events during the Photosensitization of Hypocrellin A on a Colloidal CdS Semiconductor.

  • 출판일2002.01
  • 저자
  • 서지사항
  • 등록일 2016.11.02
  • 조회수 289
An experiment investigating the electron transfer from excited Hypocrellin A (HA) into the conduction band of a colloid CdS semiconductor used the dye HA as a sensitizer. CdS colloids quenched the fluorescence emission of the sensitizing dye HA due to electron transfer from the excited singlet state of HA to the conduction band of colloidal CdS. Fluorescence lifetime measurement established an electron transfer rate constant of 940 ((moles per liter)-1). Electron paramagnetic resonance spectroscopy confirmed the electron transfer mechanism. 22 refs.
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