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@PHDTHESIS{Tran:200911,
      author       = {Tran, Thi-Minh-Hang},
      title        = {{Q}uantitative analysis of spatially resolved
                      electroluminescence of {C}u({I}n,{G}a){S}e$_{2}$ and
                      a-{S}i:{H} thin-film solar cells and modules},
      volume       = {260},
      school       = {RWTH Aachen},
      type         = {Dr.},
      address      = {Jülich},
      publisher    = {Forschungszentrum Jülich GmbH Zentralbibliothek, Verlag},
      reportid     = {FZJ-2015-03264},
      isbn         = {978-3-95806-050-0},
      series       = {Schriften des Forschungszentrums Jülich Reihe Energie $\&$
                      Umwelt / Energy $\&$ Environment},
      pages        = {iii, 161 S.},
      year         = {2015},
      note         = {RWTH Aachen, Diss., 2015},
      abstract     = {Electroluminescence (EL) is the reciprocal process of the
                      standard operational mode of a solar cell. EL imaging
                      technique allows a fast detection of defects in solar
                      cellsand modules with low noise and high resolution.
                      Recently, EL has become one of the most commonly used
                      characterization tools for photovoltaic devices. There has
                      been a significant amount of research into the
                      interpretation and analysis of EL of silicon wafers, solar
                      cells and modules, but very little, to date, on thin-film
                      solar technologies. This work presents a number of varied
                      applications of EL imaging to the analysis of both
                      industrially produced copper indium gallium diselenide
                      Cu(In,Ga)Se$_{2}$ (CIGS),and in-house produced hydrogenated
                      amorphous silicon (a-Si:H) thin-film solar cells and
                      modules. The quantitative interpretation of the EL intensity
                      and spectrum is based on the reciprocity theorem, which
                      relates the EL emission with the external photovoltaic
                      quantum efficiency of the device. In this work, this theorem
                      is validated for industrially produced CIGS solar cells
                      using spectrally resolved EL and photoluminescence(PL). The
                      validation shows that PL and EL emission obeys a
                      linearsuperposition in a limited range of the applied bias
                      or illumination. [...]},
      cin          = {IEK-5},
      cid          = {I:(DE-Juel1)IEK-5-20101013},
      pnm          = {121 - Solar cells of the next generation (POF3-121)},
      pid          = {G:(DE-HGF)POF3-121},
      typ          = {PUB:(DE-HGF)11 / PUB:(DE-HGF)3},
      url          = {https://juser.fz-juelich.de/record/200911},
}