User profiles for Liangfeng Sun

Liangfeng Sun

Professor of Physics, Bowling Green State University
Verified email at bgsu.edu
Cited by 4566

Bright infrared quantum-dot light-emitting diodes through inter-dot spacing control

L Sun, JJ Choi, D Stachnik, AC Bartnik, BR Hyun… - Nature …, 2012 - nature.com
Infrared light-emitting diodes are currently fabricated from direct-gap semiconductors using
epitaxy, which makes them expensive and difficult to integrate with other materials. Light-…

Electron injection from colloidal PbS quantum dots into titanium dioxide nanoparticles

BR Hyun, YW Zhong, AC Bartnik, L Sun, HD Abruna… - ACS …, 2008 - ACS Publications
Injection of photoexcited electrons from colloidal PbS quantum dots into TiO 2 nanoparticles
is investigated. The electron affinity and ionization potential of PbS quantum dots, inferred …

PbSe nanocrystal excitonic solar cells

…, MEB Santiago-Berrios, M Oh, BR Hyun, L Sun… - Nano …, 2009 - ACS Publications
We report the design, fabrication, and characterization of colloidal PbSe nanocrystal (NC)-based
photovoltaic test structures that exhibit an excitonic solar cell mechanism. Charge …

Photogenerated exciton dissociation in highly coupled lead salt nanocrystal assemblies

JJ Choi, J Luria, BR Hyun, AC Bartnik, L Sun… - Nano …, 2010 - ACS Publications
Internanocrystal coupling induced excitons dissociation in lead salt nanocrystal assemblies
is investigated. By combining transient photoluminescence spectroscopy, grazing incidence …

Surfactant ligand removal and rational fabrication of inorganically connected quantum dots

H Zhang, B Hu, L Sun, R Hovden, FW Wise… - Nano Letters, 2011 - ACS Publications
A novel method is reported to create inorganically connected nanocrystal (NC) assemblies
for both II–VI and IV–VI semiconductors by removing surfactant ligands using (NH 4 ) 2 S. …

Electrogenerated chemiluminescence from PbS quantum dots

L Sun, L Bao, BR Hyun, AC Bartnik, YW Zhong… - Nano …, 2009 - ACS Publications
We report the first observation of electrogenerated chemiluminescence (ECL) from PbS
quantum dots (QDs). Different ECL intensities are observed for different ligands used to …

Thickness-controlled synthesis of colloidal PbS nanosheets and their thickness-dependent energy gaps

…, N Reilly, HP Lu, AT Zayak, L Sun - Chemistry of …, 2014 - ACS Publications
In colloidal quantum-dots (QDs) based optoelectronic devices, the charge transport is limited
by the low efficient phonon-assisted tunneling among the neighbor QDs. Although short …

The optimal design of a piezoelectric energy harvester for smart pavements

…, H Zhang, J Jiang, Y Zhang, Y Zhou, L Sun… - International Journal of …, 2022 - Elsevier
The traffic environment contains tremendous mechanical energy due to the dynamic loads
of moving vehicles which can be converted into electricity by using piezoelectric materials. …

Kenaf/ramie composite for automotive headliner

Y Chen, L Sun, O Chiparus, I Negulescu… - Journal of Polymers and …, 2005 - Springer
An increasing industrial interest is applications of kenaf and ramie fiber nonwovens for
making automotive interior trim parts because of their excellent strength and renewability. This …

Crystalline characteristics of cellulose fiber and film regenerated from ionic liquid solution

L Sun, JY Chen, W Jiang, V Lynch - Carbohydrate polymers, 2015 - Elsevier
Regenerated cellulose fiber, fiber extrudate, and film were produced from cellulose solution
prepared with raw pulp and ionic liquid solvent 1-butyl-3-methylimidazolium chloride ([BMIM]…