Optoelectronic Properties and Defect Physics of Lead-Free Photovoltaic Absorbers Cs2AuIAuIIIX6 ( X=I,Br )
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DOI: 10.1103/physrevapplied.13.014005
Abstract: Stability and toxicity issues of hybrid lead iodide perovskite MAPbI$_3$ necessitate potential alternatives. Here we shed new light on promising photovoltaic properties of Gold mixed valence halide perovskites, satisfying fundamental requirements i.e. non-toxicity, stability, band… read more here.
Keywords: defect physics; physics; properties defect; photovoltaic ... See more keywords
Defect physics in intermediate-band materials: Insights from an optimized hybrid functional
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DOI: 10.1103/physrevb.96.165204
Abstract: Despite the efforts to implement the idea of a deep level impurity intermediate band (IB) into bulk solar cell materials, a breakthrough in efficiency increase has not yet been achieved. Taking Sn-doped ${\mathrm{CuGaS}}_{2}$ as an… read more here.
Keywords: optimized hybrid; defect physics; physics; mathrm ... See more keywords