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26 April 2024 |
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Structure-dependent optical and electrical transport properties of nanostructured Al-doped ZnO | | P. Gondoni
; M. Ghidelli
; F. Di Fonzo
; M. Carminati
; V. Russo
; A. Li Bassi
; C.S. Casari
; | | Date: |
Tue, 15 May 2012 13:10:13 GMT (1856kb) | | 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 polycristalline 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 the way for specific
applications in photovoltaic devices, where optimized combinations of
conductivity, transparency and light scattering are required. | | Source: | arXiv, 1205.3359 | | Services: | Forum | Review | PDF | Favorites | |
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