Results 21 to 30 of about 106,557 (221)

Environmentally Benign Formation of Nickel Hexacyanoferrate-Derived Mesoframes for Heterogeneous Catalysis

open access: yesNanomaterials, 2021
The tetramethylammonium hydroxide (TMAH)-controlled alkaline etching of nickel hexacyanoferrate (NiHCF) mesocrystals is explored. The alkaline etching enables the formation of hollow framework structures with an increased surface area, the exposure of ...
Sascha Keßler   +3 more
doaj   +1 more source

A Study on Oxidation of Tetramethylammonium Hydroxide (TMAH) using UV/Persulfate

open access: yes대한환경공학회지, 2020
Objective:In order to efficiently remove TMAH from the wastewater generated by the TFT-LCD manufacturing process, the oxidation of TMAH was tested by applying an UV/persulfate.
Hyo-yeon Choi, Daewon Pak
doaj   +1 more source

Optically pumped deep-UV multimode lasing in AlGaN double heterostructure grown by molecular beam homoepitaxy

open access: yesAIP Advances, 2022
Multimode lasing at sub-300 nm wavelengths is demonstrated by optical pumping in AlGaN heterostructures grown on single-crystal AlN substrates by plasma-assisted molecular beam epitaxy.
Len van Deurzen   +5 more
doaj   +1 more source

Structural characterization of humic acids, extracted from sewage sludge during composting, by thermochemolysis–gas chromatography–mass spectrometry [PDF]

open access: yes, 2006
Thermochemolysis coupled with gas chromatography and mass spectrometry were applied to determine the structure of humic acids (HA) extracted from a sewage sludge and straw mixture at different steps of composting.
Bailly, J.-R.   +16 more
core   +1 more source

Enhancing CO2 Absorption in Venturi Scrubber with Nanofluids [PDF]

open access: yesIranian Journal of Chemistry & Chemical Engineering
This study investigates the efficiency of CO2 elimination from airflow using a venturi washing device, focusing on the role of tetramethylammonium hydroxide and magnetic fields in enhancing nanofluid performance. The research examines various parameters,
Aliakbar Jamshidi   +4 more
doaj   +1 more source

Electrochemical exfoliation of porous antimonene as anode materials for sodium-ion batteries

open access: yesElectrochemistry Communications, 2021
Porous antimony has attracted wide attention in the area of energy storage as it can accommodate large volume change and facilitate Na+ ions diffusion.
Yingchang Yang, Senling Leng, Wei Shi
doaj   +1 more source

Influence of Calcium Perchlorate on the Search for Organics on Mars with Tetramethylammonium Hydroxide Thermochemolysis [PDF]

open access: yesAstrobiology, 2021
The Mars Organic Molecule Analyzer (MOMA) and Sample Analysis at Mars (SAM) instruments onboard the Exomars 2022 and Mars Science Laboratory rovers, respectively, are capable of organic matter detection and differentiating potentially biogenic from abiotic organics in martian samples.
He, Yuanyuan   +23 more
openaire   +3 more sources

Functionalization of zinc ferrite nanoparticles: influence of modification procedure on colloidal stability [PDF]

open access: yesProcessing and Application of Ceramics, 2016
The present work describes the synthesis of zinc ferrite nanoparticles by a chemical coprecipitation method and its surface modification with poly(diallyldimethylammonium chloride) (PDDA), tetramethylammonium hydroxide (TMAOH) and poly(ethylene glycol ...
Marija Milanović   +3 more
doaj   +1 more source

New MgFeAl-LDH Catalysts for Claisen–Schmidt Condensation

open access: yesMolecules, 2022
A rapid, cheap and feasible new approach was used to synthesize the Mg0.375Fe0.375Al0.25-LDH in the presence of tetramethylammonium hydroxide (TMAH), as a nontraditional hydrolysis agent, applying both mechano-chemical (MC) and co-precipitation methods ...
Rodica Zăvoianu   +4 more
doaj   +1 more source

Effective suppression of interface states in recessed-gate MIS-HEMTs by TMAH wet etching

open access: yesApplied Physics Express, 2023
The effect of tetramethylammonium hydroxide (TMAH) treatment prior to gate dielectric deposition on the performance of recessed-gate AlGaN/GaN metal-insulator-semiconductor high electron mobility transistors (MIS-HEMTs) was investigated.
Yu Li   +11 more
doaj   +1 more source

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