Results 11 to 20 of about 401,534 (280)

Structural characterization and colour of Ni3VxP2−xO8 (0 ≤ x ≤ 2) and Ni2VyP2−yO7 (0 ≤ y ≤ 2) materials

open access: yesResults in Physics, 2017
Structural characterization of Ni3VxP2−xO8 (0 ≤ x ≤ 2) and Ni2VyP2−yO7 (0 ≤ y ≤ 2) compositions was made and colour parameters of these materials measured. Ni(II) diphosphate and divanadate crystalline phases are not stables at high temperature.
M.A. Tena   +3 more
doaj   +1 more source

Localized holes and delocalized electrons in photoexcited inorganic perovskites: Watching each atomic actor by picosecond X-ray absorption spectroscopy [PDF]

open access: yes, 2016
We report on an element-selective study of the fate of charge carriers in photoexcited inorganic CsPbBr3 and CsPb(ClBr)3 perovskite nanocrystals (NCs) in toluene solutions using time-resolved X-ray absorption spectroscopy with 80 ps time resolution ...
Budarz, James   +18 more
core   +5 more sources

Pressure-induced dramatic changes in organic-inorganic halide perovskites. [PDF]

open access: yes, 2017
Organic-inorganic halide perovskites have emerged as a promising family of functional materials for advanced photovoltaic and optoelectronic applications with high performances and low costs.
Jia, Quanxi   +3 more
core   +2 more sources

Modelling the Inorganic Bromine Partitioning in the Tropical Tropopause over the Pacific Ocean [PDF]

open access: yes, 2016
The stratospheric inorganic bromine burden (Bry) arising from the degradation of brominated very short-lived organic substances (VSL org ), and its partitioning between reactive and reservoir species, is needed for a comprehensive assessment of the ozone
Atlas, Elliot   +13 more
core   +1 more source

Microwave-Assisted Synthesis of DUT-52 and Investigation of Its Photoluminescent Properties

open access: yesBulletin of Chemical Reaction Engineering & Catalysis, 2019
A zirconium metal-organic framework (MOF) of DUT-52 (DUT: Dresden University of Technology) was synthesized herein by reacting zirconium tetrachloride (ZrCl4) and 2,6-naphthalenedicarboxylic acid (H2NDC) in DMF under microwave heating at 115 oC for 25 ...
Ruth Febriana Kesuma   +2 more
doaj   +1 more source

The Extraction of Community Structures from Publication Networks to Support Ethnographic Observations of Field Differences in Scientific Communication [PDF]

open access: yes, 2013
The scientific community of researchers in a research specialty is an important unit of analysis for understanding the field specific shaping of scientific communication practices. These scientific communities are, however, a challenging unit of analysis
Baus   +52 more
core   +2 more sources

Separation stability in binary mixtures with negative Soret numbers [PDF]

open access: yesMATEC Web of Conferences, 2019
In the present work, by using a paralelepipedic thermogravitational microcolumn, the temperature gradient influence on the stability of the flow was or has been examined, emphasizing mixtures with negative Soret coefficients.
Šeta B.   +5 more
doaj   +1 more source

Exploring the flexibility of MIL-47(V)-type materials using force field molecular dynamics simulations [PDF]

open access: yes, 2016
The flexibility of three MIL-47(V)-type materials (MIL-47, COMOC-2, and COMOC-3) has been explored by constructing the pressure versus volume and free energy versus volume profiles at various temperatures ranging from 100 to 400 K This is done with first-
Rogge, Sven   +4 more
core   +2 more sources

Electro-, thermo-, and photocatalysis of versatile nanocomposites toward tandem process

open access: yesiScience
Summary: Tandem reactions involve multi-step processes conducted in one pot, offering a cost-effective, environmentally friendly, and efficient approach to chemical transformations with high atom economy.
Weikang Wang   +4 more
doaj   +1 more source

Self-assembly of Metallamacrocycles Employing a New Benzil-based Organometallic Bisplatinum(II) Acceptor

open access: yesCHIMIA, 2015
A benzil-based semi-rigid dinuclear-organometallic acceptor 4,4'-bis[trans-Pt(PEt3)2(NO3)(ethynyl)]benzil (bisPt-NO3) containing a Pt-ethynyl functionality was synthesized in good yield and characterized by multinuclear NMR (1H, 31P, and 13C ...
Bijan Roy   +3 more
doaj   +1 more source

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