Meine Merkliste
my.chemie.de  
Login  

4.797 Aktuelle Fachpublikationen zum Thema temperature

rss
mit folgenden Suchkriterien:

Yolk-shell structured Gd2O3:Eu3+ phosphor prepared by spray pyrolysis: Effect of preparation conditions on microstructure and luminescence properties

26.11.2014 | Jung Sang Cho; Kyeong Youl Jung; Yun Chan Kang, Physical Chemistry Chemical Physics, 2014

Gd2O3:Eu3+ yolk–shell phosphor powders with high photoluminescence intensity were prepared by spray pyrolysis. Preparation temperature and spray solution concentration were varied to find the optimum process conditions for preparation of Gd2O3:Eu3+ with yolk-shell structure. The formation ...

mehr

Copper-nicotinamide complex: sustainable applications in coupling and cycloaddition reactions

25.11.2014 | Nasir Baig; Buchi Reddy Vaddula; Mallikarjuna N Nadagouda; Rajender S Varma, Green Chemistry, 2014

Crystalline copper (II)-nicotinamide complex, synthesized via simple mixing of copper chloride and nicotinamide solution at room temperature, catalyzes the C-S, C-N bond forming and cycloaddition reactions under a variety of sustainable reaction conditions.

mehr

The Stabilisation of Gallane and Indane by a Ring Expanded Carbene

25.11.2014 | Anthony R Leverett; Alasdair Iain McKay; Marcus Lawford Cole, Dalton Transactions, 2014

7Dipp Complexes of the group 13 binary hydrides GaH3 and InH3 have been prepared. Both adducts possess excellent thermal stability in the solid state but decompose readily in solution at ambient temperature. The presence of short M-H….H-CAlkyl distances in the structures of both [MH3(7Dipp)] ...

mehr

TiO2/clay as a heterogeneous catalyst in photocatalytic/photochemical oxidation of anionic reactive blue 19

23.11.2014 | Author(s): Haithem Bel Hadjltaief , Maria Elena Galvez , Mourad Ben Zina , Patrick Da Costa, Arabian Journal of Chemistry, 2014

Publication date: Available online 10 November 2014 Source:Arabian Journal of Chemistry Author(s): Haithem Bel Hadjltaief , Maria Elena Galvez , Mourad Ben Zina , Patrick Da Costa A TiO2-coated Tunisian clay (TiO2–clay) was synthesized by a typical impregnation method. The ...

mehr

Novel heterocyclic poly(pyridine‐imide)s with unsymmetric carbazole substituent and noncoplanar structure: High thermal, mechanical and optical transparency, electrochemical, and electrochromic properties

21.11.2014 | Ying‐Chi Huang, Kun‐Li Wang, Wei‐Yi Lee, Yi‐An Liao, Der‐Jang Liaw, Kueir‐Rarn Lee, Juin‐Yih Lai, Journal of Polymer Science Part A: Polymer Chemistry, 2014

ABSTRACT A diamine containing heterocyclic pyridine and unsymmetrical carbazole substituents, 4‐(9‐ethyl‐3‐carbazole)‐2,6‐bis(4‐aminophenyl)pyridine (CBAPP), was prepared for use in the synthesis of poly(pyridine‐imide)s PI‐1–8 by direct polycondensation with dianhydrides in ...

mehr

Self‐Alignment of Low‐Valent Octanuclear Palladium Atoms

21.11.2014 | Kanako Nakamae, Yukie Takemura, Bunsho Kure, Takayuki Nakajima, Yasutaka Kitagawa, Tomoaki Tanase, Angewandte Chemie International Edition, 2014

Abstract A linear tetraphosphine, meso‐bis[(diphenylphosphinomethyl)phenylphosphino]methane (dpmppm) was used to synthesize linear octapalladium‐extended metal atom chains as discrete molecules of [Pd8(μ‐dpmppm)4](BF4)4 (1) and [Pd8(μ‐dpmppm)4L2](BF4)4 (L=2,6‐xylyl isocyanide (XylNC; 2), ...

mehr

A Two‐in‐one Pincer Ligand and its Diiron(II) Complex Showing Spin State Switching in Solution through Reversible Ligand Exchange

21.11.2014 | Subhas Samanta, Serhiy Demesko, Sebastian Dechert, Franc Meyer, Angewandte Chemie International Edition, 2014

Abstract A novel pyrazolate‐bridged ligand providing two {PNN} pincer‐type compartments has been synthesized. Its diiron(II) complex LFe2(OTf)3(CH3CN) (1; Tf=triflate) features, in solid state, two bridging triflate ligands, with a terminal triflate and a MeCN ligand completing the octahedral ...

mehr

Large‐Area Alignment of Tungsten Oxide Nanowires over Flat and Patterned Substrates for Room‐Temperature Gas Sensing

21.11.2014 | Wei Cheng, Yanrui Ju, Payam Payamyar, Darinka Primc, Jingyi Rao, Christoph Willa, Dorota Koziej, Markus Niederberger, Angewandte Chemie International Edition, 2014

Abstract Alignment of nanowires over a large area of flat and patterned substrates is a prerequisite to use their collective properties in devices such as gas sensors. In this work, uniform single‐crystalline ultrathin W18O49 nanowires with diameters less than 2 nm and aspect ratios larger ...

mehr

Fluorescence Enhancement of Covalently Linked 1‐Cyano‐1,2‐Diphenylethene Chromophores with Naphthalene‐1,8‐diyl Linker Units: Analysis Based on Kinetic Constants

20.11.2014 | Takashi Hirose, Yohei Tsunoi, Yuya Fujimori, Kenji Matsuda, Chemistry - A European Journal, 2014

Abstract The fluorescence enhancement effect of covalently fixed fluorescent chromophores has been investigated by means of kinetic analysis of decay rate constants and theoretical calculations. Derivatives of 1‐cyano‐1,2‐diphenylethene dimer have a distorted cyclic structure when both ends ...

mehr

ChemInform Abstract: Kinetics vs. Thermodynamics: A Unique Crystal Transformation from a Uranyl Peroxo‐Nanocluster to a Nanoclustered Uranyl Polyborate.

20.11.2014 | Yingjie Zhang, Mohan Bhadbhade, Jason R. Price, Inna Karatchevtseva, David Collison, Gregory R. Lumpkin, ChemInform, 2014

Abstract Reaction of UO2(NO3)2, NaOH, H2O2, and H3BO3 in aqueous solution leads to the formation of yellow crystals of Na14 [(UO2)(O2)1.5] 28·nH2O (I) at pH 8.5 within a few days, followed by transformation of (I) at room temperature to light yellow‐green crystals of Na6 [UO2{B16O24(OH)8}] ...

mehr

Seite 1 von 480
Suche per e-Mail abonnieren

Sie erhalten passend zu Ihrer Suche die neusten Suchergebnisse per E-Mail. Dieser Service ist für Sie kostenlos und kann jederzeit abbestellt werden.

Ihr Bowser ist nicht aktuell. Microsoft Internet Explorer 6.0 unterstützt einige Funktionen auf Chemie.DE nicht.