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Article Dans Une Revue Applied Physics Letters Année : 2013

Progressive multi-layer drop-casting of CdSe nanoparticles for photocurrent down shifing monitoring

Résumé

We investigated the spectroscopic photocurrent response of photovoltaic devices versus an increasing number of drop-casted CdSe nanoparticles onto planar and nanocones silicon p-i-n junctions. For all samples, a strong enhancement of the photocurrent in the UV range was detected as well as a constant increase of the photocurrent up to 20% (16%) for a planar (nanocones) junction in the range 600-800 nm. The analysis of the photocurrent versus the number of drop casted nanoparticles layers allows us to evidence a down-shifting mechanism in the U-V range and an adaptative index effect below the threshold of absorption.
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Dates et versions

hal-00871996 , version 1 (27-05-2022)

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Yannick Lambert, Di Zhou, Tao Xu, Odile Cristini, D. Deresmes, et al.. Progressive multi-layer drop-casting of CdSe nanoparticles for photocurrent down shifing monitoring. Applied Physics Letters, 2013, 103 (5), pp.051102-1-4. ⟨10.1063/1.4816956⟩. ⟨hal-00871996⟩
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