Kinetics of photoconductivity and photoluminescence of CdS/CdTe heterojunctions

Vatavu Sergiu; Caraman Iuliana; Gashin Peter A.

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VATAVU, Sergiu, CARAMAN, Iuliana, GASHIN, Peter A.. Kinetics of photoconductivity and photoluminescence of CdS/CdTe heterojunctions. In: Moldavian Journal of the Physical Sciences, 2005, nr. 4(4), pp. 473-480. ISSN 1810-648X.

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Moldavian Journal of the Physical Sciences

Numărul 4(4) / 2005 / ISSN 1810-648X /ISSNe 2537-6365

Kinetics of photoconductivity and photoluminescence of CdS/CdTe heterojunctions

Pag. 473-480

Vatavu Sergiu¹, Caraman Iuliana², Gashin Peter A.¹

¹ Moldova State University,
² Alexandru Ioan Cuza University of Iaşi

Disponibil în IBN: 5 decembrie 2013

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The photoluminescence and absoption spectral distribution close to the edge of fundamental band were studied in the CdS and CdTe films components of the CdS/CdTe heterojunctions. Recombination level energetic position was determined. The annealing of the CdS/CdTe heterojunctions in presence of CdCl2 results in formation of new recombination levels, revealed by a luminescent band in the energy range of 1.6-1.7 eV and by the shift of the impurity band maximum to the red wavelength region by 50 meV.

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