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Effect of PMMA on crystallization behavior and hydrophilicity of poly(vinylidene fluoride)/poly(methyl methacrylate) blend prepared in semi-dilute solutions
Films of poly(vinylidene fluoride) (PVDF)/poly(methyl methacrylate) (PMMA) blend were derived from a special procedure of casting semi-dilute solutions. Hydrophilic character and crystallization of… Expand
A simple template-free approach to TiO2 hollow spheres with enhanced photocatalytic activity.
Mesporous anatase-phase TiO(2) hollow spheres with high photocatalytic activity were prepared by hydrothermal treatment and self-transformation of amorphous TiO(2) solid spheres in an NH(4)F aqueous… Expand
2.23 GHz gating InGaAs/InP single-photon avalanche diode for quantum key distribution
- J. Zhang, P. Eraerds, N. Walenta, C. Barreiro, Rob Thew, H. Zbinden
- Physics, Engineering
- Defense + Commercial Sensing
- 17 February 2010
We implement an InGaAs/InP single-photon avalanche diode (SPAD) for single-photon detection with the fastest gating frequency reported so far, of 2.23GHz, which approaches the limit given by the… Expand
Hierarchically Porous ZnO Architectures for Gas Sensor Application
Hierarchically three-dimensional (3D) porous ZnO architectures were synthesized by a template-free, economical hydrothermal method combined with subsequent calcination. First, a precursor of… Expand
Capture of CO2 from high humidity flue gas by vacuum swing adsorption with zeolite 13X
Abstract Capture of CO2 from flue gas streams using adsorption processes must deal with the prospect of high humidity streams containing bulk CO2 as well as other impurities such as SOx, NOx, etc.… Expand
Microalgae as a renewable fuel source: Fast pyrolysis of Scenedesmus sp.
Herein we report the fast pyrolysis of dried, ground Scenedesmus sp. at two different reactor scales. Pyrolysis was performed at 480 °C and 1 bar in both an isothermal spouted bed reactor and a… Expand
NO2 sensing performance of SnO2 hollow-sphere sensor
Abstract This work examined the possibility of using SnO 2 hollow spheres mediated by carbon microspheres for the efficient detection of NO 2 gas. The influences of gas concentration, operating… Expand
Capture of CO2 from flue gas streams with zeolite 13X by vacuum-pressure swing adsorption
Vacuum swing adsorption (VSA) capture of CO2 from flue gas streams is a promising technology for greenhouse gas mitigation. In this study we use a detailed, validated numerical model of the CO2VSA… Expand
Novel urea assisted hydrothermal synthesis of hierarchical BiVO4/Bi2O2CO3 nanocomposites with enhanced visible-light photocatalytic activity
Abstract A novel hydrothermal approach is developed for the first time to synthesize hierarchical BiVO4/Bi2O2CO3 nanocomposites with reactive crystalline facets using urea as a morphology mediator.… Expand
In vivo blood flow imaging by a swept laser source based Fourier domain optical Doppler tomography.
A swept source based Fourier domain optical Doppler tomography (FDODT) system was developed. The technique is based on a phase-resolved method where phase information was retrieved from the… Expand