Ultrafast Bimolecular Recombination in Nanocrystalline Hydrogenated Silicon

Autor:	Jan Kočka, K. Arlauskas, G. Sliaužys, J. Stuchlik, N. Nekrašas, Gytis Juška
Rok vydání:	2005
Předmět:	Amorphous silicon Materials science Silicon Nanocrystalline silicon General Physics and Astronomy chemistry.chemical_element Electron Nanocrystalline material chemistry.chemical_compound chemistry Chemical physics Quantum tunnelling Recombination Order of magnitude
Zdroj:	Acta Physica Polonica A. 107:373-376
ISSN:	1898-794X 0587-4246
DOI:	10.12693/aphyspola.107.373
Popis:	In the multilayers of hydrogenated nanocrystalline and amorphous silicon bimolecular recombination coefficient can be reduced in half, while in low-temperature hydrogenated nanocrystalline silicon samples it can be reduced by one order of magnitude. The similarity of the activation energies of both the bimolecular recombination (B) and the Langevin-type recombination (BL) coefficients point to decisive role of tunneling in processes of meeting of electrons and holes, although the ratio B/BL < 0.01.
Databáze:	OpenAIRE
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