SANDANA VINOD, E.; ROGERS DAVID, J.; TEHERANI, Ferechteh Hosseini; BOVE, Philippe; TROYON, Michel; LARGETEAU, Alain; DEMAZEAU, Gérard; SCOTT COLIN, Philip; ORSAL, Gaëlle; DROUHIN, Henri-Jean; OUGAZZADEN, Abdallah; RAZEGHI, Manijeh

doi:10.1002/pssc.201200975

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SANDANA VINOD, E.
Nanovation SARL

ROGERS DAVID, J.
Nanovation SARL

TEHERANI, Ferechteh Hosseini
Nanovation SARL

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physica status solidi (c). 2013, vol. 10, n° 10, p. 1317-1321

Wiley

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Self-forming, vertically-aligned, arrays of black-body-like ZnO moth-eye nanostructures were grown on Si(111), c-Al2O3, ZnO and high manganese austenitic steel substrates using Pulsed Laser Deposition. X-ray diffraction (XRD) revealed the nanostructures to be well-crystallised wurtzite ZnO with strong preferential c-axis crystallographic orientation along the growth direction for all the substrates. Cathodoluminescence (CL) studies revealed emission characteristic of the ZnO near band edge for all substrates. Such moth-eye nanostructures have a graded effective refractive index and exhibit black-body characteristics. Coatings with these features may offer improvements in photovoltaic and LED performance. Moreover, since ZnO nanostructures can be grown readily on a wide range of substrates it is suggested that such an approach could facilitate growth of GaN-based devices on mismatched and/or technologically important substrates, which may have been inaccessible till present.< Leer menos

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Nanostructures

Zinc oxide

Pulsed laser deposition

Gallium nitride

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Growth of "moth-eye" ZnO nanostructures on Si(111), c-Al2O3, ZnO and steel substrates by pulsed laser deposition

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