scholarly journals Hot excitons are responsible for increasing photoluminescence blinking activity in single lead sulfide/cadmium sulfide nanocrystals

2018 ◽  
Vol 54 (5) ◽  
pp. 495-498 ◽  
Author(s):  
Jia-Shiang Chen ◽  
Huidong Zang ◽  
Mingxing Li ◽  
Mircea Cotlet
Keyword(s):  
Excitation Energy ◽  
Cadmium Sulfide ◽  
Lead Sulfide ◽  
Cds Nanocrystals ◽  
Photon Excitation ◽  
Kinetics Of ◽  
Sulfide Nanocrystals

The kinetics of PL blinking for isolated PbS/CdS nanocrystals changes with the photon excitation energy, with PL blinking increasing in frequency and changing from a two-state to a multistate on/off switching when the excitation energy changes from 1Sh–1Se (≈1.4 eV) to 1Ph–1Pe (≈2.4 eV).

scholarly journals Electron transfer dynamics from single near infrared emitting lead sulfide–cadmium sulfide nanocrystals to titanium dioxide

Nanoscale ◽  
2017 ◽  
Vol 9 (38) ◽  
pp. 14664-14671 ◽  
Author(s):  
Huidong Zang ◽  
Prahlad K. Routh ◽  
Qingping Meng ◽  
Mircea Cotlet
Keyword(s):  
Electron Transfer ◽  
Titanium Dioxide ◽  
Cadmium Sulfide ◽  
Lead Sulfide ◽  
Near Infrared ◽  
Sulfide Nanocrystals

Electron transfer is demonstrated between single near infrared emitting nanocrystals of PbS/CdS and titanium dioxide.

Excitonic recombination dynamics mediated by polymorph transformation in cadmium sulfide nanocrystals

2016 ◽  
Vol 4 (28) ◽  
pp. 6784-6789 ◽  
Author(s):  
Pan Wang ◽  
Zhifang Li ◽  
Tianye Yang ◽  
Zhiyang Wang ◽  
Pinwen Zhu ◽  
...  
Keyword(s):  
Wave Function ◽  
Cadmium Sulfide ◽  
Cds Nanocrystals ◽  
Polymorph Transformation ◽  
Excitonic Recombination ◽  
Recombination Dynamics ◽  
Sulfide Nanocrystals

The excitonic recombination dynamics could be mediated by the different bandgaps and wave function overlaps in polymorphic CdS nanocrystals.

scholarly journals Spatial Mapping of Sub-Bandgap States Induced by Local Nonstoichiometry in Individual Lead Sulfide Nanocrystals

2014 ◽  
Vol 5 (21) ◽  
pp. 3701-3707 ◽  
Author(s):  
Dmitry A. Kislitsyn ◽  
Christian F. Gervasi ◽  
Thomas Allen ◽  
Peter K. B. Palomaki ◽  
Jason D. Hackley ◽  
...  
Keyword(s):  
Lead Sulfide ◽  
Spatial Mapping ◽  
Individual Lead ◽  
Sulfide Nanocrystals

Synthesis, structural and optical properties of Sm3+ and Nd3+ doped cadmium sulfide nanocrystals

2014 ◽  
Vol 52 ◽  
pp. 128-133 ◽  
Author(s):  
Saravanan L ◽  
Jayavel R ◽  
Pandurangan A ◽  
Liu Jih-Hsin ◽  
Miao Hsin-Yuan
Keyword(s):  
Optical Properties ◽  
Cadmium Sulfide ◽  
Structural And Optical Properties ◽  
Sulfide Nanocrystals

Functionalized Graphite Platelets and Lead Sulfide Quantum Dots Enhance Solar Conversion Capability of a Titanium Dioxide/Cadmium Sulfide Assembly

2014 ◽  
Vol 118 (33) ◽  
pp. 18924-18937 ◽  
Author(s):  
P. Naresh Kumar ◽  
Sudip Mandal ◽  
Melepurath Deepa ◽  
Avanish Kumar Srivastava ◽  
Amish G. Joshi
Keyword(s):  
Quantum Dots ◽  
Titanium Dioxide ◽  
Cadmium Sulfide ◽  
Lead Sulfide ◽  
Solar Conversion ◽  
Lead Sulfide Quantum Dots
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