ZnO and MgZnO Nanocrystalline Flexible Films: Optical and Material Properties

Huso, Jesse; Morrison, John L.; Che, Hui; Sundararajan, Jency P.; Yeh, Wei Jiang; McIlroy, David; Williams, Thomas J.; Bergman, Leah

doi:10.1155/2011/691582

Title: ZnO and MgZnO Nanocrystalline Flexible Films: Optical and Material Properties

Journal Article · Sat Jan 01 00:00:00 EST 2011 · Journal of Nanomaterials

DOI:https://doi.org/10.1155/2011/691582· OSTI ID:1198458

Huso, Jesse ^[1]; Morrison, John L. ^[1]; Che, Hui ^[1]; Sundararajan, Jency P. ^[1]; Yeh, Wei Jiang ^[1]; McIlroy, David ^[1]; Williams, Thomas J. ^[2]; Bergman, Leah ^[1]

Department of Physics, University of Idaho, Moscow, ID 83844-0903, USA
Electron Microscopy Center, University of Idaho, Moscow, ID 83844-0903, USA

An emerging material for flexible UV applications is ${Mg}_{x} {Zn}_{1 - x}$ O which is capable of tunable bandgap and luminescence in the UV range of ~3.4 eV–7.4 eV depending on the composition x . Studies on the optical and material characteristics of ZnO and Mg _0.3 Zn _0.7 O nanocrystalline flexible films are presented. The analysis indicates that the ZnO and Mg _0.3 Zn _0.7 O have bandgaps of 3.34 eV and 4.02 eV, respectively. The photoluminescence (PL) of the ZnO film was found to exhibit a structural defect-related emission at ~3.316 eV inherent to the nanocrystalline morphology. The PL of the Mg _0.3 Zn _0.7 O film exhibits two broad peaks at 3.38 eV and at 3.95 eV that are discussed in terms of the solubility limit of the ZnO-MgO alloy system. Additionally, external deformation of the film did not have a significant impact on its properties as indicated by the Raman LO-mode behavior, making these films attractive for UV flexible applications.

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Sponsoring Organization:: USDOE

Grant/Contract Number:: FG02-07ER46386

OSTI ID:: 1198458

Journal Information:: Journal of Nanomaterials, Journal Name: Journal of Nanomaterials Vol. 2011; ISSN 1687-4110

Publisher:: Hindawi Publishing CorporationCopyright Statement

Country of Publication:: Egypt

Language:: English

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Cited by: 18 works

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