Pulsed laser studlcs of surhctant stablbzcd CdS coUolds mdlcate a rapld (< 10sg s) c-transfer from CdS to mctbyl-v~ologcn adsorbed on the collolds A rapId (== 10m6 s) subscqucnt back rcnction of some of the reduced methylvtologcn IS observed. PH. solute concentnt~on. etc., affect tbc reactron.
โฆ LIBER โฆ
Surface effects in the photochemistry of colloidal calcium sulfide
โ Scribed by Kuczynski, J.; Thomas, J. K.
- Book ID
- 120576353
- Publisher
- American Chemical Society
- Year
- 1983
- Tongue
- English
- Weight
- 686 KB
- Volume
- 87
- Category
- Article
- ISSN
- 0022-3654
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Extremely small partrcles or Cd,As, were prrpdrsd a collolds ,n aqueous soluuon and m the sohd srate While mncrocryslallme Cd,As, IS almost a melal absorbmg m the rar-mlrared (band gap = 0 1 eV) Ihe small par~rcles have abhorpuons and fluorescences m the wslble or near-mrrared dependmg on the parwle