Results 91 to 100 of about 103,942 (331)

Air breakdown characteristics in plane-plane and sphere gap electrode configuration under lightning impulse [PDF]

open access: yes, 2014
This report describes the air breakdown characteristics in plane-plane and sphere gap electrode configuration under lightning impulse. The breakdown in air (spark breakdown) is the transition of a non-sustaining discharge into a self sustaining ...
Rosdi, Hairierosniza
core  

A new conducting polymer with exceptional visible-light photocatalytic activity derived from varbituric acid polycondensation

open access: yes, 2020
A novel covalent, metal-free, photocatalytic material is prepared by thermal polymerization of barbituric acid (BA). The structure of the photocatalyst is analyzed by using scanning electron microscopy, X-ray diffraction, and infrared, UV?visible, and 1H
Antonietti, M., Cao, S., Keshavarzi , N.
core   +1 more source

Improved photocatalytic properties of doped titanium-based nanometric oxides [PDF]

open access: yes, 2017
Photocatalysis is considered one of the most promising technologies for applications in the environmental field especially in the abatement of water-soluble organic pollutants.
Bracciale, Maria P.   +6 more
core   +1 more source

Recent Advances on Thermochromic Inks for Security Applications

open access: yesAdvanced Materials Technologies, EarlyView.
Thermochromic security inks have garnered interest in recent years as security elements for authentication, information encryption, and anti‐counterfeiting. This review outlines different types of thermochromic materials, how they have been developed as functional inks, and how advancements in property enhancement, sustainability, and printing ...
Duarte B. Oliveira   +5 more
wiley   +1 more source

Broadly tunable (440-670 nm) solid-state organic laser with disposable capsules

open access: yes, 2013
An innovative concept of thin-film organic solid-state laser is proposed, with diffraction-limited output and a broad tuning range covering the visible spectrum under UV optical pumping. The laser beam is tunable over 230 nm, from 440 to 670 nm, with a 3
Alain Siove   +5 more
core   +3 more sources

Controls on the composition and lability of dissolved organic matter in Siberia's Kolyma River basin [PDF]

open access: yes, 2012
High-latitude northern rivers export globally significant quantities of dissolved organic carbon (DOC) to the Arctic Ocean. Climate change, and its associated impacts on hydrology and potential mobilization of ancient organic matter from permafrost, is ...
A. Davydova   +84 more
core   +1 more source

Room Temperature Synthesis and Photopatterning of Mesoporous Titanium Dioxide Thin Films

open access: yesAdvanced Materials Technologies, EarlyView.
A nanofabrication strategy combining deep‐UV photolithography with block copolymer self‐assembly enables direct patterning and mineralization of mesoporous TiO2 thin films at room temperature. Photocatalytic titanium oxo‐clusters promote polymer degradation under UV irradiation, enabling multiscale control over porosity, film thickness, and lateral ...
Youssef Ghossoub   +5 more
wiley   +1 more source

The effect of pump depletion on reversible photodegradation

open access: yes, 2013
We model the effect of pump depletion on reversible photodegradation using the extended domain model[Anderson and Kuzyk, arXiv:1309.5176v1, 2013] and the Beer-Lambert law.
Anderson, Benjamin   +2 more
core   +1 more source

Nano-photocatalysts in microfluidics, energy conversion and environmental applications [PDF]

open access: yes, 2015
Extensive studies have been carried out on photocatalytic materials in recent years as photocatalytic reactions offer a promising solution for solar energy conversion and environmental remediation. Currently available commercial photocatalysts still lack
Jang, Seungwook   +4 more
core   +3 more sources

Programmable Dimensional Lithography with Digital Micromirror Devices for Multifunctional Microarchitectures

open access: yesAdvanced Materials Technologies, EarlyView.
This review explores recent advances in digital micromirror device (DMD)‐based lithography, focusing on its programmable light modulation, multi‐material compatibility, and dimensional patterning strategies. It highlights innovations from optical system design to materials integration and multifunctional applications, positioning DMD lithography as a ...
Yubin Lee   +5 more
wiley   +1 more source

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