The srrong and structured luminescence emissions observed in the 500-600 nm region (lifetime in the microsecond range a[ 77 K) are assigned LOmetal-lo-ligand charge-transfer excited soaks. of some Rh The absorption spectra were recorded with a and II compounds of qhpyrand Bhq-,hgands have Kontron Uvikon 860 spectrophotometer and the emis Author Weitong Tao,Yan Chen,Lu Lu,Chun LiuPublish Year 2021Images of Luminescence of II imagesOptimising the luminescence of platinum(II) complexes and Dec 01,2008·As for any other fluorescent molecule,optimising the luminescence efficiency of platinum (II) complexes requires that the radiative rate constant kr of the emissive state be promoted while the rates of non-radiative decay pathways, knr,are minimised.Author Yongguang Li,Yuexuan Fei,Hongcheng Sun,Shuangjiang Yu,Junqiu LiuPublish Year 2021Related searches for luminescence of iiluminescence pdfluminescence journalluminescence definitionluminescence maskluminescence synonymluminescence spectrometerluminescence and fluorescence comparisonluminescence skin careSome results are removed in response to a notice of local law requirement.For more information,please see here.12345Next
Apr 01,2020·The simplest system showing cation-dependent luminescence consists of the tetracyanidoplatinate(II) ion,[Pt(CN) 4] 2.It is well-known that [Pt(CN) 4] 2 exhibits intense emission by interacting with cations (Ptcation) (Fig.1(ii)) or by forming PtPt interactions (Fig.1(iii)) although the discrete molecule does not show any emission .These emissions originate from the excited Cited by 109Publish Year 1990Author G.Blasse,G.J.Dirksen,A.MeijerinkLuminescence of porphyrins and metalloporphyrins.Part 2 Luminescence from Mn III TPP and Fe III TPP is much less efficient and originates from the second tripmultiplet state.The rate constants for deactivation of the tripmultiplet states depend markedly upon the nature of the central metal ion and are much faster for Mn III and Fe III than for Cu II and Cr III .Cited by 10Publish Year 2018Author Youssef Atoini,Eko Adi Prasetyanto,Eko Adi Prasetyanto,Pengkun Chen,Simone Silvestrini,Jack HarLuminescence color change of a platinum(II) complex solid The yellow luminescence of the crystalline complex changed to orange when grinding into fine powder on a glass substrate with a spatula.A broad emission band,which was not detected for the crystal,was observed at around 670 nm for the powder.
There is a strongest luminescence peak at 470 nm for the Co(II)-DDTC system,three peaks at 330,470,and 630 nm for the Cu(II)-DDTC system,three peaks at 420,470,and 630 nm for the Cd(II)-DDTC system,four peaks at 350,400,435,and 470 nm for the Ni(II)-DDTC system,two peaks at 408 and 470 nm for the Pb(II)-DDTC system,two peaks at 415 and 470 nm for the Fe(II)-DDTC system.Cited by 149Publish Year 2011Author Jun Ni,Xu Zhang,Nan Qiu,Yu-Hui Wu,Li-Yi Zhang,Jing Zhang,Zhong-Ning ChenLuminescence Quenching of Copper(II) Porphyrins with Lewis Nanorings with steel( ii ) and zinc( ii ) centers forcing steel porphyrins to bind axial ligands in heterometallated oligomers.Chemical Science 2016,7 (12) ,6961-6968.Cited by 18Publish Year 2007Author Fausto Puntoriero,Sebastiano Campagna,Maria Letizia Di Pietro,Antonino Giannetto,Matteo CusumanoFerroelectric and luminescence properties of zinc(ii) and Zinc(II) and platinum(II) complexes [M(X-4-C 18-salmmen)] (M = Zn (1) and Pt (2),X = R,S (optical isomer) and rac (racemate),salmmen = N,N-monomethylenebis-salicylideneimine) were synthesized and investigated.The series of compounds represented by 1 (R,S and rac forms) display liquid crystalline state behaviour at 413 K,and exhibit both ferroelectric and fluorescence properties,while
Jan 22,2020·Luminescence of mononuclear Pt ( ii) complexes with glycolate external stimuli-induced excimer emission changes to oligomer emissions .Keiji Ohno,a Masaya Komuro,a Tomoaki Sugaya,b Akira Nagasawa a and Takashi Fujihara *c.Author affiliations.Cited by 261Publish Year 1991Author Alan E.Friedman,Challa V.Kumar,Nicholas J.Turro,Jacqueline K.BartonLuminescence of NaCIII Request PDF - ResearchGateHence,ion beam luminescence can provide both an immediate diagnostic probe of the changes which occur during implantation and an independent means of analysing defects in the near surface region.Cited by 415Publish Year 2001Author Vivian Wing-Wah Yam,Rowena Pui-Ling Tang,Keith Man-Chung Wong,Kung-Kai CheungThe luminescence of ytterbium(II) in strontium tetraborate Mar 01,1990·The luminescence of ytterbium (II) in strontium tetraborate.The luminescence of SrB 4 O 7 :Yb 2+ is reported and discussed.The quantum efficiency is high,the Stokes shift small,and the emission maximum at short wavelength ( 360 nm).At low temperatures extended vibrational structure appears in all the luminescence spectra.
Mar 02,2021·The luminescence properties of three neutral cyclometalated Pt (II) complexes were investigated in a CH2 Cl 2 / n -hexane system.The diphenylamino and trifluoromethyl modified Pt2 exhibits aggregation-induced phosphorescent emission (AIPE).Cited by 60Publish Year 1995Author Fang Liu,Kurstan L.Cunningham,Wendy Uphues,Gerald W.Fink,Johnathan Schmolt,David R.McMillinUser Manual Microbial Luminescence System IIThe 3M Microbial Luminescence System (MLS) II is a microplate luminometer designed for microbial ATP detection in end products.This unit has been documented for use in the food and beverage industry.Cited by 621Publish Year 2008Author J.A.Gareth Williams,Stéphanie Develay,David L.Rochester,Lisa MurphyMechanochromic Luminescence Switch of Platinum(II When crystalline 1 or 2 is ground,bright yellow-green emitting is immediately converted to red luminescence with an emission red shift of 121155 nm for 1 or 5389 nm for 2.
Jun 01,2019·It is well known that molecular aggregation could influence the luminescence properties,especially for square-planar Pt(II) complexes that their emission energy are very sensitive to the changes of intermolecular interactions such as hydrogen bonding,aromatic -Concentration-dependent circularly polarized luminescence Jun 07,2020·Circularly polarized luminescent materials based on Pt (II) complexes have also attracted considerable attentions in recent years due to their excellent phosphorescent properties [,,,].Construction and luminescence property of a highly ordered Red luminescence of the film is induced by self-assembly of nonemissive 1-Pt molecules,whereas sheets based on nonemissive 2-Pt gives weak yellow emission.These results indicate that the coil-rod ratio plays an important role in the structure and optical properties of these self-assemblies.
Feb 05,2021·Organoplatinum (II) complexes are promising candidates for the construction of smart supramolecular materials due to their unique flat structures.This accompanied by intriguing luminescent properties,prompts the molecules to aggregate after external stimuli.Luminescence List of Issues - Wiley Online LibraryLuminescence; Magnetic Resonance in Chemistry; Mass Spectrometry Reviews; Microscopy Research and Technique; NMR in Biomedicine; Proteomics; Phytochemical Analysis; Rapid Communications in Mass Spectrometry; Separation Science Plus; Surface and Interface Analysis; X-Ray SpectrometryLuminescence Vapochromism of a Platinum(II) Complex for Platinum(II) complex [Pt(Me3SiCCbpyCCSiMe3)(CCPh)2] (1) with 5,5-bis(trimethylsilylethynyl)-2,2-bipyridine (Me3SiCCbpyCCSiMe3) and phenylacetylene (PhCCH) exhibits unusual luminescence vapochromism to volatile organic compounds (VOCs) including CH2Cl2,CHCl3,and CH3I,which is useful for detection of volatile halohydrocarbon with one carbon atom and molecular weight less of
Luminescence and Related Properties of Ii-VI Semiconductors [Vij,D.R.,Singh,N.] on .*FREE* shipping on qualifying offers.Luminescence and Related Properties of Ii-VI SemiconductorsLuminescence of Amphiphilic Pt II Complexes Controlled by In particular the Pt II complexes have been employed as co-surfactant for the template formation of mesoporous silica nanoparticles (MSNs) using a sol gel synthesis.Interestingly,upon encapsulation in the silica pores,the platinum aggregates exhibit an emission profile similar in energy to the complexes assembled in solution,but the photoluminescence quantum yields of the hybrid systems areLuminescence of CuInS2 II.Exciton and near edge emission adshelp[at]cfa.harvard.edu The ADS is operated by the Smithsonian Astrophysical Observatory under NASA Cooperative Agreement NNX16AC86A
The aim of this work is to report on the luminescence properties of BaZnSiO4 activated by Eu3+ and Mn2+ ions.Doped and undoped powder samples were prepared by solid-state reaction starting from oxides and carbonates or Ba2SiO4:Eu3+ and Zn2SiO4:Mn2+ precursors.X-ray diffraction powder data,IR vibrational,and UVvis luminescence spectroscopies were carried out.Results showed thatLuminescence of a Pt(ii) complex in the presence of DNA Luminescence intensity changes of a Pt(II) complex which is known to bind externally to DNA at low [DNA]/[complex] ratio and to intercalate at high [DNA]/[complex] ratio are studied in the presence of calf thymus DNA.External binding is demonstrated to induce luminescence enhancement whereas intercalation leads to luminescence quenching.Luminescence of platinum(II) complexes Inorganic ChemistryInorg.Chem.All Publications/Website.OR SEARCH CITATIONS
Metal-free and ZnTPP complexes exhibit both fluorescence and low temperature phosphorescence,Mn II TPP shows only low temperature phosphorescence while Ni II TPP is non-luminescent.The absorption spectra show that there is little interaction between the metal and the porphyrin -system so that the excited states can be regarded as ( *) in nature..Where phosphorescence occurs,the Luminescence of ruthenium(II) evidence for intercalative Luminescenceof ruthenium(II) polypyridyls evidence for.intercalative bindingtoZ-DNA.Alan E.Friedman,Challa V.Kumar,1+,Nicholas J.Turro1 and Jacqueline K.Barton*.Division ofChemistryandChemical Engineering,CaliforniaInstitute ofTechnology,Pasadena,CA91125 and1Columbia University,Department of Chemistry,NewYork,NY 10027,USA.Luminescence properties of palladium(II) phenanthroline Luminescence of zinc(II) and cadmium(II) compounds results from chloride-to-picoline charge transfer state and the quantum efficiency in the case of the polymeric Cd(II) compound reaches 39%.The
Rapid and specific luminescence sensing of Cu(II) ions with a porphyrinic metalorganic framework L.Li,S.Shen,R.Lin,Y.Bai and H.Liu,Chem.Commun.,2017,53,9986 DOI 10.1039/C7CC04250G If you are not the Switching On Luminescence by the SelfAssembly of a A platinum (II) emitter is able to selfassemble into gelating nanofibers,leading to an unprecedented 90% photoluminescence quantum yield.Electroluminescent devices processed in solution can be doped with the aforementioned complex.Synthesis,Luminescence,Electrochemistry,and Ion-Binding Sep 22,2001·Unusual Luminescence Enhancement of Metallogels of Alkynylplatinum(II) 2,6-Bis(N-alkylbenzimidazol-2-yl)pyridine Complexes upon a Gel-to-Sol Phase Transition at Elevated Temperatures.Journal of the American Chemical Society 2009,131 (17) ,6253-6260.
Was this helpful?Luminescence of II-VI Semiconductor Nanoparticles Luminescence of II-VI Semiconductor Nanoparticles.Article Preview.Abstract Nanoparticle or an ultrafine particle is a small solid whose physical dimension lies between 1 to 100 nanometers.Nanotechnology is the coming revolution in molecular engineering,and therefore,it is curiosity-driven and promising area of technology.The field of