Passivation of Si nanocrystals in SiO2: Atomic versus molecular hydrogen | Zendy

A.R. Wilkinson | Zendy; R. G. Elliman | Zendy

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Passivation of Si nanocrystals in SiO2: Atomic versus molecular hydrogen

Author(s) -

A.R. Wilkinson,

R. G. Elliman

Publication year - 2003

Publication title -

applied physics letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.182

H-Index - 442

eISSN - 1077-3118

pISSN - 0003-6951

DOI - 10.1063/1.1637130

Subject(s) - passivation , nanocrystal , photoluminescence , materials science , hydrogen , luminescence , hydrogen molecule , layer (electronics) , nanotechnology , optoelectronics , chemistry , organic chemistry

Photoluminescence measurements were used to investigate the effect of atomic and molecular hydrogen on the passivation of Si nanocrystals in SiO 2 . Significant increases in the luminescence intensity and lifetime were found in samples coated with a thin Al layer prior to a standard anneal in molecular hydrogen. This is shown to be consistent with enhanced passivation of the nanocrystals by atomic hydrogen.

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