scholarly journals Photoluminescence decay of silicon nanocrystals and Lévy stable distributions

2014 ◽  
Vol 378 (30-31) ◽  
pp. 2201-2205 ◽  
Author(s):  
G. Dattoli ◽  
K. Górska ◽  
A. Horzela ◽  
K.A. Penson
Keyword(s):  
Silicon Nanocrystals ◽  
Stable Distributions ◽  
Photoluminescence Decay

Trap-State-Induced Becquerel Type of Photoluminescence Decay in DPA-Activated Silicon Nanocrystals

2021 ◽  
Vol 125 (3) ◽  
pp. 2055-2063
Author(s):  
K. Kůsová ◽  
T. Popelář ◽  
I. Pelant ◽  
G. Morselli ◽  
S. Angeloni ◽  
...  
Keyword(s):  
Silicon Nanocrystals ◽  
Trap State ◽  
Photoluminescence Decay

scholarly journals On the nature of the stretched exponential photoluminescence decay for silicon nanocrystals

2011 ◽  
Vol 6 (1) ◽  
pp. 106 ◽  
Author(s):  
G Zatryb ◽  
A Podhorodecki ◽  
J Misiewicz ◽  
J Cardin ◽  
F Gourbilleau
Keyword(s):  
Silicon Nanocrystals ◽  
Stretched Exponential ◽  
Photoluminescence Decay

Photoluminescence decay dynamics of noninteracting silicon nanocrystals

2004 ◽  
Vol 95 (7) ◽  
pp. 3677-3682 ◽  
Author(s):  
O. Guillois ◽  
N. Herlin-Boime ◽  
C. Reynaud ◽  
G. Ledoux ◽  
F. Huisken
Keyword(s):  
Silicon Nanocrystals ◽  
Photoluminescence Decay

Power-dependent photoluminescence decay kinetics of silicon nanocrystals under continuous and pulsed excitation

2020 ◽  
Vol 222 ◽  
pp. 274-293
Author(s):  
Michael Greben ◽  
Jan Valenta
Keyword(s):  
Silicon Nanocrystals ◽  
Decay Kinetics ◽  
Pulsed Excitation ◽  
Liquid Samples ◽  
Photoluminescence Decay ◽  
Kinetics Of

Power-dependent photoluminescence (PL) decay kinetics of silicon nanocrystals (Si NCs) in solid and liquid samples were studied under cw and pulsed excitation.

Photoluminescence behavior of silicon nanocrystals: Role of surface chemistry and size

2008 ◽  
Author(s):  
Anoop Gupta ◽  
Folarin Erogbogbo ◽  
Mark T. Swihart ◽  
Hartmut Wiggers
Keyword(s):  
Surface Chemistry ◽  
Silicon Nanocrystals ◽  
Photoluminescence Behavior

Pump-Probe Measurements Using Silicon Nanocrystal Waveguides

2003 ◽  
Vol 770 ◽  
Author(s):  
Nathanael Smith ◽  
Max J. Lederer ◽  
Marek Samoc ◽  
Barry Luther-Davies ◽  
Robert G. Elliman
Keyword(s):  
Probe Beam ◽  
Time Resolution ◽  
Pump Beam ◽  
Silicon Nanocrystals ◽  
Continuous Wave ◽  
Optical Gain ◽  
Optical Pump ◽  
Time Resolved ◽  
Pump Probe ◽  
Probe Measurements

AbstractOptical pump-probe measurements were performed on planar slab waveguides containing silicon nanocrystals in an attempt to measure optical gain from photo-excited silicon nanocrystals. Two experiments were performed, one with a continuous-wave probe beam and a pulsed pump beam, giving a time resolution of approximately 25 ns, and the other with a pulsed pump and probe beam, giving a time resolution of approximately 10 ps. In both cases the intensity of the probe beam was found to be attenuated by the pump beam, with the attenuation increasing monotonically with increasing pump power. Time-resolved measurements using the first experimental arrangement showed that the probe signal recovered its initial intensity on a time scale of 45-70 μs, a value comparable to the exciton lifetime in Si nanocrystals. These data are shown to be consistent with an induced absorption process such as confined carrier absorption. No evidence for optical gain was observed.

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