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The photophysical changes taking place by coupling of Cd(OH) 2 -coated Q-CdS with colloidal TiO 2 have been examined. The coupling of TiO 2 causes the quenching of the band gap emission of CdS and the red emission is not affected appreciably. For a typical 0.22x10 -3 moldm -3 of TiO 2 the average emission lifetime of Cd(OH) 2 -coated...
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