Emerging Photoluminescence in Monolayer MoS2
Novel physical phenomena can emerge in low-dimensional nanomaterials. Bulk MoS 2 , a
prototypical metal dichalcogenide, is an indirect bandgap semiconductor with negligible …
prototypical metal dichalcogenide, is an indirect bandgap semiconductor with negligible …
Direct observation of a widely tunable bandgap in bilayer graphene
The electronic bandgap is an intrinsic property of semiconductors and insulators that largely
determines their transport and optical properties. As such, it has a central role in modern …
determines their transport and optical properties. As such, it has a central role in modern …
Simultaneous phase and size control of upconversion nanocrystals through lanthanide doping
Doping is a widely applied technological process in materials science that involves incorporating
atoms or ions of appropriate elements into host lattices to yield hybrid materials with …
atoms or ions of appropriate elements into host lattices to yield hybrid materials with …
Graphene plasmonics for tunable terahertz metamaterials
Plasmons describe collective oscillations of electrons. They have a fundamental role in the
dynamic responses of electron systems and form the basis of research into optical …
dynamic responses of electron systems and form the basis of research into optical …
A graphene-based broadband optical modulator
Integrated optical modulators with high modulation speed, small footprint and large optical
bandwidth are poised to be the enabling devices for on-chip optical interconnects 1 , 2 . …
bandwidth are poised to be the enabling devices for on-chip optical interconnects 1 , 2 . …
Tuning upconversion through energy migration in core–shell nanoparticles
Photon upconversion is promising for applications such as biological imaging, data storage
or solar cells. Here, we have investigated upconversion processes in a broad range of …
or solar cells. Here, we have investigated upconversion processes in a broad range of …
Recent advances in the chemistry of lanthanide-doped upconversion nanocrystals
Lanthanide ions exhibit unique luminescent properties, including the ability to convert near
infrared long-wavelength excitation radiation into shorter visible wavelengths through a …
infrared long-wavelength excitation radiation into shorter visible wavelengths through a …
[HTML][HTML] Prevalence of venous thromboembolism in patients with severe novel coronavirus pneumonia
S Cui, S Chen, X Li, S Liu, F Wang - Journal of Thrombosis and …, 2020 - Elsevier
Background Three months ago, severe acute respiratory syndrome coronavirus 2 (SARS‐CoV‐2)
broke out in Wuhan, China, and spread rapidly around the world. Severe novel …
broke out in Wuhan, China, and spread rapidly around the world. Severe novel …
The optical resonances in carbon nanotubes arise from excitons
Optical transitions in carbon nanotubes are of central importance for nanotube
characterization. They also provide insight into the nature of excited states in these one-dimensional …
characterization. They also provide insight into the nature of excited states in these one-dimensional …
Design-based research and technology-enhanced learning environments
F Wang, MJ Hannafin - Educational technology research and …, 2005 - Springer
During the past decade, design-based research has demonstrated its potential as a methodology
suitable to both research and design of technology-enhanced learning environments (…
suitable to both research and design of technology-enhanced learning environments (…