PHOTOLUMINESCENCE STUDY ON HYDROGENATED NANO-CRYSTALLINE SILICON FILM | Zendy

Ming Liu | Zendy; Yuliang He | Zendy; Xingliu Jiang | Zendy; Guohua Li | Zendy; HAN HE-XIANG | Zendy

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PHOTOLUMINESCENCE STUDY ON HYDROGENATED NANO-CRYSTALLINE SILICON FILM

Author(s) -

Ming Liu,

Yuliang He,

Xingliu Jiang,

Guohua Li,

HAN HE-XIANG

Publication year - 1998

Publication title -

acta physica sinica

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.199

H-Index - 47

ISSN - 1000-3290

DOI - 10.7498/aps.47.864

Subject(s) - materials science , photoluminescence , silicon , crystalline silicon , nano , chemical engineering , nanotechnology , optoelectronics , composite material , engineering

Light-emitting hydrogenated nano-crystalline silicon (nc-Si∶H) films have been fabricated using plasma-enhanced chemical-vapor deposition method.It was found that photoluminescence(PL) properties are directly related to grain size and surface strucuture.The quantum size effect and surface states model was proposed to explain PL.Meanwhile,temperature dependence of PL peak energy and integrated intensity are also studied.The former is mainly caused by band-gap shrinkage and the PL intensity decrease with increasing temperature can be interpreted using a temperature independent radiative term and a temperature-dependent thermally activated non-radiative one.

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