Browsing by Subject "Plasma enhanced chemical vapor deposition (PECVD)"

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    Microcavity enhanced amorphous silicon photoluminescence
    (IEEE, 1997) Serpengüzel, Ali; Aydınlı, Atilla; Bek, Alpan
    A microcavity enhancement of room temperature photoluminescence (PL) of a hydrogenated amorphous silicon (a-Si:h) was performed. A quantum confinement model was developed to describe the occurrence of the PL in the bulk a-Si:H. According to the model, small a-Si clusters are in a matrix of a-Si:H. The regions with Si-H, having larger energy gaps due to strong Si-H bonds, isolate these clusters, and form barrier regions around them. The PL originates from these a-Si clusters.