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Journal Articles Nanotechnology Year : 2012

Structure-dependent optical and electrical transport properties of nanostructured Al-doped ZnO

Abstract

The structure–property relation of nanostructured Al-doped ZnO thin films has been investigated in detail through a systematic variation of structure and morphology, with particular emphasis on how they affect optical and electrical properties. A variety of structures, ranging from compact polycrystalline films to mesoporous, hierarchically organized cluster assemblies, are grown by pulsed laser deposition at room temperature at different oxygen pressures. We investigate the dependence of functional properties on structure and morphology and show how the correlation between electrical and optical properties can be studied to evaluate energy gap, conduction band effective mass and transport mechanisms. Understanding these properties opens up opportunities for specific applications in photovoltaic devices, where optimized combinations of conductivity, transparency and light scattering are required.

Dates and versions

hal-03255235 , version 1 (09-06-2021)

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Paolo Gondoni, Matteo Ghidelli, Fabio Di Fonzo, Marco Carminati, Valeria Russo, et al.. Structure-dependent optical and electrical transport properties of nanostructured Al-doped ZnO. Nanotechnology, 2012, 23 (36), pp.365706. ⟨10.1088/0957-4484/23/36/365706⟩. ⟨hal-03255235⟩
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