Title :
Light emission from size reduced nanocrystal silicon quantum dots
Author :
Cheong, Hea-Jeong ; Tanaka, Atsushi ; Hippo, Daihei ; Usami, Kouichi ; Tsuchiya, Yoshishige ; Mizuta, Hiroshi ; Oda, Shunri
Author_Institution :
Tokyo Inst. of Technol. & SORST-JST, Tokyo
Abstract :
We performed HF treatment to silicon quantum dots with diameter of 8 nm plusmn 1 nm fabricated by VHF plasma decomposition process. We observed PL wavelength shift from 750 nm to 620 nm for 8 nm to 2.5 nm diameter nc-Si dots.
Keywords :
crystal structure; elemental semiconductors; nanostructured materials; photoluminescence; semiconductor quantum dots; silicon; spectral line shift; HF treatment; PL wavelength shift; Si; VHF plasma decomposition process; light emission spectra; nanocrystal silicon quantum dots; nanocrystal size reduction; size 8 nm to 2.5 nm; wavelength 750 nm to 620 nm; Argon; Hafnium; Light emitting diodes; Nanocrystals; Oxidation; Photonic band gap; Plasma temperature; Quantum dots; Semiconductor materials; Silicon;
Conference_Titel :
Lasers and Electro-Optics, 2007. CLEO 2007. Conference on
Conference_Location :
Baltimore, MD
Print_ISBN :
978-1-55752-834-6
DOI :
10.1109/CLEO.2007.4453555
