Visible photoluminescence from ZnO/diamond-like carbon thin films

Li-chun ZHANG; Qing-shan LI; Yan-feng DONG; Zi-xia MA

doi:10.1007/s11801-012-1132-1

Journals >Optoelectronics Letters >Volume 8 >Issue 2 >Page 113 > Article

Optoelectronics Letters
Vol. 8, Issue 2, 113 (2012)

Visible photoluminescence from ZnO/diamond-like carbon thin films

Li-chun ZHANG^1、*, Qing-shan LI², Yan-feng DONG¹, and Zi-xia MA²

Author Affiliations

¹College of Physics and Engineering, Qufu Normal University, Qufu 273165, China

²School of Physics, Ludong University, Yantai 264025, China

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DOI: 10.1007/s11801-012-1132-1 Cite this Article

ZHANG Li-chun, LI Qing-shan, DONG Yan-feng, MA Zi-xia. Visible photoluminescence from ZnO/diamond-like carbon thin films[J]. Optoelectronics Letters, 2012, 8(2): 113 Copy Citation Text

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Abstract

ZnO/diamond-like carbon (DLC) thin films are deposited by pulsed laser deposition (PLD) on Si (111) wafer. Visible room-temperature photoluminescence (PL) is observed from ZnO/DLC thin films by fluorescence spectrophotometer. The Gaussian curve fitting of PL spectra reveals that the broadband visible emission contains three components with λ=508 nm, 554 nm and 698 nm. The origin and possible mechanism of the visible PL are discussed, and they can be attributed to the PL recombination of ZnO and DLC thin films.

ZHANG Li-chun, LI Qing-shan, DONG Yan-feng, MA Zi-xia. Visible photoluminescence from ZnO/diamond-like carbon thin films[J]. Optoelectronics Letters, 2012, 8(2): 113

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