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A comparative study of laser induced breakdown spectroscopy and secondary ion mass spectrometry applied to dc magnetron sputtered as-grown copper indium diselenide.

Astin, JS, Cowpe, JS, Hill, A, Hisek, J, Lucas, N and Pilkington, RD 2006, A comparative study of laser induced breakdown spectroscopy and secondary ion mass spectrometry applied to dc magnetron sputtered as-grown copper indium diselenide. , in: Photon '06, 4-7 September 2006, University of Manchester UK.

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    Abstract

    The University of Salford has led the way in the fundamental research that has underpinned the development of thin film copper indium diselenide (CIS) based photovoltaics. These devices have demonstrated exceptional energy conversion efficiencies (>19%) and a high tolerance to radiation damage and are thus leading researchers towards the 20% efficiency barrier. Conventional CIS thin film growth processes require a post-selenisation step to incorporate Se into the as-grown material. This helps to achieve stoichometry, improves the crystallinity, controls the defect structure and also can be used to convert the semiconductor type. This paper will report the use of pulsed dc magnetron sputtering from a CIS powder target. This approach has resulted in as–grown stoichiometric thin films consisting of pinhole free, densely packed grains. An important consideration in the thin film growth of complex materials is that stoichiometry is maintained throughout the film. Conventionally, secondary ion mass spectrometry (SIMS) is used to depth profile thin films but it has been reported that laser induced breakdown spectrometry (LIBS) can also be used. We will report the initial results comparing and contrasting these two techniques and show that LIBS can produce meaningful data.

    Item Type: Conference or Workshop Item (Paper)
    Uncontrolled Keywords: LIBS, CIS, depth profiling, SIMS, copper indium diselenide, photovoltaic
    Themes: Subjects / Themes > Q Science > QC Physics > QC350-467 Optics. Light
    Subjects outside of the University Themes
    Schools: Colleges and Schools > College of Science & Technology > School of Computing, Science and Engineering > Materials & Physics Research Centre
    Colleges and Schools > College of Science & Technology
    Colleges and Schools > College of Science & Technology > School of Computing, Science and Engineering
    Journal or Publication Title: Photon '06
    Refereed: No
    Depositing User: JS Cowpe
    Date Deposited: 27 Nov 2009 10:03
    Last Modified: 20 Aug 2013 17:01
    URI: http://usir.salford.ac.uk/id/eprint/2572

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