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Persistent URL http://purl.org/net/epubs/work/43209
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Record Id 43209
Title Defect-InducedPhotoconductivity in Layered Manganese Oxides: A Density Functional Theory Study
Abstract Enhanced photoconductivity of layered Mn(IV)O2 containing protonated Mn(IV) vacancy defects has been recently demonstrated, suggesting new technological possibilities for photoelectric conversion based on visible light harvesting. Using spin-polarized density functional theory, we provide the first direct evidence that such defects can indeed facilitate photoconductivity by (i) reducing the band-gap energy and (ii) separating electron and hole states. Our results thus support the proposition that nanosheet MnO2 offers an attractive new material for a variety of photoconductivity applications.
Organisation CSE , CSE-CMSG , STFC
Keywords 72.40.+w, 61.72.Bb, 61.72.uj, 73.22.-f , Physics
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Language English (EN)
Type Details URI(s) Local file(s) Year
Journal Article Phys Rev Lett 100 (2008): 146601. doi:10.1103/PhysRevLett.100.146601 2008