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The Interplay of Quantum Confinement and Hydrogenation in Amorphous Silicon Quantum Dots.

ABSTRACT: Hydrogenation in amorphous silicon quantum dots (QDs) has a dramatic impact on the corresponding optical properties and band energy structure, leading to a quantum-confined composite material with unique characteristics. The synthesis of a-Si:H QDs is demonstrated with an atmospheric-pressure plasma process, which allows for accurate control of a highly chemically reactive non-equilibrium environment with temperatures well below the crystallization temperature of Si QDs.

SUBMITTER: Askari S 

PROVIDER: S-EPMC4738462 | biostudies-literature | 2015 Dec

REPOSITORIES: biostudies-literature

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The Interplay of Quantum Confinement and Hydrogenation in Amorphous Silicon Quantum Dots.

Askari Sadegh S   Svrcek Vladmir V   Maguire Paul P   Mariotti Davide D  

Advanced materials (Deerfield Beach, Fla.) 20151102 48

Hydrogenation in amorphous silicon quantum dots (QDs) has a dramatic impact on the corresponding optical properties and band energy structure, leading to a quantum-confined composite material with unique characteristics. The synthesis of a-Si:H QDs is demonstrated with an atmospheric-pressure plasma process, which allows for accurate control of a highly chemically reactive non-equilibrium environment with temperatures well below the crystallization temperature of Si QDs. ...[more]

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