Observation of a magic discrete family of ultrabright Si nanoparticles

G Belomoin, J Therrien, A Smith, S Rao… - Applied Physics …, 2002‏ - pubs.aip.org
We demonstrate that electrochemically etched, hydrogen capped Si n H x clusters with n
larger than 20 are obtained within a family of discrete sizes. These sizes are 1.0 (Si 29), 1.67 …

Efficient surface grafting of luminescent silicon quantum dots by photoinitiated hydrosilylation

F Hua, MT Swihart, E Ruckenstein - Langmuir, 2005‏ - ACS Publications
We suggest a method for efficient (high-coverage) grafting of organic molecules onto
photoluminescent silicon nanoparticles. High coverage grafting was enabled by use of a …

Organically capped silicon nanoparticles with blue photoluminescence prepared by hydrosilylation followed by oxidation

F Hua, F Erogbogbo, MT Swihart, E Ruckenstein - Langmuir, 2006‏ - ACS Publications
A facile method of preparing stable blue-emitting silicon nanoparticles that are dispersible in
common organic solvents is presented. Oxidation of yellow-emitting silicon nanoparticles …

[كتاب][B] Nanotechnology in biology and medicine: methods, devices, and applications

T Vo-Dinh - 2007‏ - taylorfrancis.com
The combination of biology and nanotechnology has led to a new generation of
nanodevices that make it possible to characterize the chemical, mechanical, and other …

Silicon nanoparticles: new photonic and electronic material at the transition between solid and molecule

MH Nayfeh, L Mitas - Nanosilicon, 2008‏ - Elsevier
Unlike bulk silicon, a spectacularly dull material, ultrasmall silicon nanoparticles are
spectacularly efficient at emitting light in RGB colours. In addition to being ultrabright …

Propionic-acid-terminated silicon nanoparticles: synthesis and optical characterization

S Sato, MT Swihart - Chemistry of Materials, 2006‏ - ACS Publications
Photoinitiated hydrosilylation was used to attach acrylic acid to the surface of
photoluminescent silicon nanoparticles, thereby producing water-dispersible, propionic-acid …

Oxide and hydrogen capped ultrasmall blue luminescent Si nanoparticles

G Belomoin, J Therrien, M Nayfeh - Applied Physics Letters, 2000‏ - pubs.aip.org
We dispersed electrochemical etched silicon into a colloid of ultrasmall ultrabright Si
nanoparticles. Direct imaging using transmission electron microscopy shows particles of∼ 1 …

Enhanced photoluminescence from Si nano-organosols by functionalization with alkenes and their size evolution

SM Liu, Yang, S Sato, K Kimura - Chemistry of Materials, 2006‏ - ACS Publications
Silicon nanoparticles ranging from 2 to 16 nm were synthesized by a facile wet chemical
route, in which SiO amorphous powder was annealed at 1000° C, etched in hydrofluoric …

Stimulated blue emission in reconstituted films of ultrasmall silicon nanoparticles

MH Nayfeh, N Barry, J Therrien, O Akcakir… - Applied Physics …, 2001‏ - pubs.aip.org
We dispersed electrochemical etched Si into a colloid of ultrabright blue luminescent
nanoparticles (1 nm in diameter) and reconstituted it into films or microcrystallites. When the …

Enhancement of polycrystalline silicon solar cells using ultrathin films of silicon nanoparticle

M Stupca, M Alsalhi, T Al Saud, A Almuhanna… - Applied Physics …, 2007‏ - pubs.aip.org
Ultrathin films of highly monodispersed luminescent Si nanoparticles are directly integrated
on polycrystalline Si solar cells. The authors monitor the open-circuit voltage and the short …