Electrical switching effect of a single-unit-cell CrO2 layer on rutile TiO2 surface

AbstractThe effects of periodicity assumptions on the macroscopic properties of packed porous beds are evaluated using a cascaded Lattice-Boltzmann method model. The porous bed is modelled as cubic and staggered packings of mono-radii circular obstructions where the bed porosity is varied by altering the circle radii. The results for the macroscopic properties are validated using previously published results. For unsteady flows, it is found that one unit cell is not enough to represent all structures of the fluid flow which substantially impacts the permeability and dispersive properties of the porous bed. In the steady region, a single unit cell is shown to accurately represent the fluid flow across all cases studied

Download Full-text

Printable Single-Unit-Cell-Thick Transparent Zinc-Doped Indium Oxides with Efficient Electron Transport Properties

ACS Nano ◽

10.1021/acsnano.0c06791 ◽

2021 ◽

Author(s):

Azmira Jannat ◽

Nitu Syed ◽

Kai Xu ◽

Md. Ataur Rahman ◽

Md. Mehdi Masud Talukder ◽

...

Keyword(s):

Electron Transport ◽

Transport Properties ◽

Single Unit ◽

Unit Cell ◽

Electron Transport Properties ◽

Indium Oxides

Download Full-text

Fast formation of single-unit-cell-thick and defect-rich layered double hydroxide nanosheets with highly enhanced oxygen evolution reaction for water splitting

Nano Research ◽

10.1007/s12274-017-1806-x ◽

2018 ◽

Vol 11 (4) ◽

pp. 1883-1894 ◽

Cited By ~ 70

Author(s):

Rui Gao ◽

Dongpeng Yan

Keyword(s):

Water Splitting ◽

Oxygen Evolution ◽

Layered Double Hydroxide ◽

Oxygen Evolution Reaction ◽

Single Unit ◽

Unit Cell ◽

Double Hydroxide

Download Full-text

Activity and selectivity differences of external Brønsted acid sites of single-unit-cell thick and conventional MFI and MWW zeolites

Microporous and Mesoporous Materials ◽

10.1016/j.micromeso.2014.06.029 ◽

2014 ◽

Vol 200 ◽

pp. 287-290 ◽

Cited By ~ 27

Author(s):

Dongxia Liu ◽

Xueyi Zhang ◽

Aditya Bhan ◽

Michael Tsapatsis

Keyword(s):

Single Unit ◽

Acid Sites ◽

Unit Cell ◽

Bronsted Acid ◽

Brønsted Acid ◽

Brønsted Acid Sites ◽

Brönsted Acid ◽

Brönsted Acid Sites ◽

Bronsted Acid Sites

Download Full-text

In situ loading of CuS nanoflowers on rutile TiO2 surface and their improved photocatalytic performance

Applied Surface Science ◽

10.1016/j.apsusc.2016.02.170 ◽

2016 ◽

Vol 370 ◽

pp. 312-319 ◽

Cited By ~ 52

Author(s):

Y.Y. Lu ◽

Y.Y. Zhang ◽

J. Zhang ◽

Y. Shi ◽

Z. Li ◽

...

Keyword(s):

Photocatalytic Performance ◽

Tio2 Surface ◽

Rutile Tio2

Download Full-text

Miniature Photometers for Liquid Chromatography

Clinical Chemistry ◽

10.1093/clinchem/16.8.626 ◽

1970 ◽

Vol 16 (8) ◽

pp. 626-632 ◽

Cited By ~ 8

Author(s):

L H Thacker ◽

W Wilson Pitt ◽

S Katz ◽

Charles D Scott

Keyword(s):

Liquid Chromatography ◽

Single Unit ◽

Power Source ◽

Dual Wavelength ◽

Tube Flow ◽

Electrical Switching ◽

Flow Cells ◽

Dual Beam ◽

Cell Modules ◽

Visible Wavelengths

Abstract A series of miniature photometers has been developed for use as on-stream detectors in systems for liquid chromatography. All of the detectors feature dual-beam, dual-wavelength operation without mechanical or electrical switching of either wavelength or signal. The two types of detectors originally developed—ultraviolet (254 and 280 nm) and colorimetric (any two choices of visible wavelengths)—have been integrated into a single modular instrument that can be converted from ultraviolet to use with visible wavelengths by substituting source and filter modules. Both straight-through vertical quartz tube flow cells of 3-mm i.d. and Z-cell modules with 10-mm light pathlengths are available. A single-unit power-source and rangeswitching box is used with any configuration of the detector.

Download Full-text

Computational Investigation of Flow Over Geometry Compliant Lattice Structures

Volume 7: Fluids Engineering ◽

10.1115/imece2018-87846 ◽

2018 ◽

Author(s):

James J. Tinsley ◽

Gregory J. Vernon ◽

Kelly O. Homan

Keyword(s):

Heat Transfer ◽

Additive Manufacturing ◽

Integral Geometry ◽

Single Unit ◽

Unit Cell ◽

Lattice Structures ◽

Computational Investigation ◽

Enhance Heat Transfer ◽

Arbitrary Flow ◽

The U.S

With the increasing prevalence of additive manufacturing, geometries that would not have been possible to manufacture just a few years ago are becoming a reality. One example is the ability to create pipes with integral, geometry compliant lattice structures. These compliant lattice structures offer the potential to greatly enhance heat transfer in arbitrary flow passages. This preliminary paper will focus on the development of an isothermal simulation model in OpenFOAM, to model the nature of the flow for a single unit cell, a unit cell screen, and a series of unit cell screens. Honeywell FM&T is a contractor of the U.S. Government under Contract No. DE-NA0002839.

Download Full-text