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Titolo:
Microstructures and photoluminescence of hydrogenated amorphous carbon films produced by using organic hydrocarbon source
Autore:
Xu, J; Li, W; Ma, T; Li, Z; Lu, W; Chen, K;
Indirizzi:
Nanjing Univ, Natl Lab Solid State Microstruct, Nanjing 210093, Peoples R China Nanjing Univ Nanjing Peoples R China 210093 jing 210093, Peoples R China Nanjing Univ, Dept Phys, Nanjing 210093, Peoples R China Nanjing Univ Nanjing Peoples R China 210093 jing 210093, Peoples R China Chinese Acad Sci, Shanghai Inst Tech Phys, Natl Lab Infrared Phys, Shanghai 200083, Peoples R China Chinese Acad Sci Shanghai Peoples R China 200083 200083, Peoples R China
Titolo Testata:
APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING
fascicolo: 6, volume: 71, anno: 2000,
pagine: 651 - 655
SICI:
0947-8396(200012)71:6<651:MAPOHA>2.0.ZU;2-V
Fonte:
ISI
Lingua:
ENG
Soggetto:
A-C-H; BLUE-LIGHT-EMISSION; SILICON CARBIDE;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
--discip_EC--
Citazioni:
17
Recensione:
Indirizzi per estratti:
Indirizzo: Xu, J Nanjing Univ, Natl Lab Solid State Microstruct, Nanjing 210093, Peoples R China Nanjing Univ Nanjing Peoples R China 210093 10093, Peoples R China
Citazione:
J. Xu et al., "Microstructures and photoluminescence of hydrogenated amorphous carbon films produced by using organic hydrocarbon source", APPL PHYS A, 71(6), 2000, pp. 651-655

Abstract

Thin layers of hydrogenated amorphous carbon were prepared by using organic hydrocarbon source, xylene (C8H10) in plasma-enhanced chemical vapor deposition (PECVD) system. The microstructures were characterized by using Fourier-transform infrared and Raman scattering spectra. The appearance of a sharp vibration signal in 1600 cm(-1) strongly suggests the existence of sp(2) carbon clusters with aromatic rings. With increasing the deposition rf power, the content of these aromatic structures is increased in the films. Incontrast to a broad single PL peak in methane (CH4)-based a-C:H films, thePL band of xylene-base a-C:H films contains multiple peaks in blue-green light region, which is influenced by rf power. We tentatively attributed it to the radiative recombination of electron-hole pairs through some luminescent centers associated with aromatic structures.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 05/04/20 alle ore 19:34:09