学科分类
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11 个结果
  • 简介:ElectronMobilityinTris(8-Hydroxyquinolinolato)AluminumThinFilmBasedonSilicium①②CHENBaijun,LIUShiyong(StateKeyLab.onIntegrated...

  • 标签: MOBILITY Organic SEMICONDUCTOR Time of FLIGHT
  • 简介:Thecellulosetris(4-methylbenzoate)hasbeensynthesisedbythecatalyticmethodandwassupportedatGasChromQ.Theabsorptioncapabilityofcellulosetris(4-methylbenzoate)usedasagaschromatographicstationaryphasewascharacterizedbychromatographicmethodandtheClausius-Clapeyronequation.However,n-alcohols(C1-C8)weresuccessfullyseparatedonthecolumnpackedwithGasChromQcoatedwithcellullosetris(4-methylbenzoate).

  • 标签:
  • 简介:Ru(bpy)_(3~(2+))electrochemiluminescence(ECL)wasappliedtodeterminationofrutin.ECLintensityofRu(bpy)_(3~(2+))couldbeenhancedinthepresenceofrutininbasicsolutiononplatinumelectrode.AtpH9.9,lightemissionintensitywasfoundtobelinearwithrutinintherangeof1-50mmol/L.

  • 标签: 联吡啶钌 电致化学发光 芸香苷 铂电极
  • 简介:美国华盛顿州引入《无毒儿童法案》,对使用对象为12岁以下儿童的产品中的磷酸酯类阻燃剂:磷酸三(1,3-二氯丙基)酯和磷酸三(β-氯乙基)酯,颁布禁令。该法案预计于2014年7月1日生效。

  • 标签: 儿童产品 华盛顿州 阻燃剂 TRIS 磷酸酯类 使用对象
  • 简介:Organicmultiplequantumwells(OMQWs)consistingofalternatinglayersoforganicmaterialshavebeenfabricatedfromtris(8-hdroxyquinoline)aluminum(Alq)and2-(4-biphenylyl)-5-(4-tertbutylphenyl)-1,3,3-oxadiazole(PBD)byamultisource-typehigh-vacuumorganicmoleculardeposition.Fromthesmall-angleX-raydiffractionpatternsofAlq/PBDOMQWs,aperiodicallylayeredstructureisconfirmedthroughtheentirestack.TheAlqlayerthicknessintheOMQWswasvariedfrom1nmto4nm.Fromtheopticalaborption,photoluminescenceandelectroluminescencemeasurements,itisfoundthattheexcitonenergyshiftstohigherenergywithdecreasingAlqlayerthickness,ThechangesoftheexcitonenergycouldbeinterpretedastheconfinementeffectsofexcitonintheAlqthinlayers.Narrowingoftheemissionspectrumhasalsobeenobservedfortheelectroluminescentdevices(ELDs)withtheOMQWsstructureatroomtemperature.

  • 标签: 有机电发光器 有机多量子阱 有机半导体
  • 简介:Asurface-renewabletris(1,10-phenanthroline-5,6-dione)iron(Ⅱ)hexafluorophosphate(FePD)modifiedcarbonceramicelectrodewasconstructedbydispersingFePDandgraphitepowderinmethyltrimethoxysilane(MTMOS)basedgels.TheFePD-modifiedelectrodepresentedpH-dependentvoltannetricbehavior,anditspeakcurrentswerediffusion-controlledin0.1mol/LNa2SO4+H2SO4solution(pH=0.4).Inthepresenceofiodate,clearelectrocatalyticreductionwaveswereobservedandthusthechemicallymodiffiedelectrodewasusedasanamperometricsensorforiodatencommonsalt.Thelinearrange,sensitivity,detectionlimitandresponsetimeoftheiodatesensorwere5×10^-6-1×10^-2mol/L,7.448μA·L/mmol,1.2×10^-6mol/Land5s,respectively.Adistinctadvantageofthissensorisitsgoodreproducibilityofsurface-renewalbysimplemechanicalpolishing.

  • 标签: 溶胶-凝胶法 石墨陶瓷电极 三(1 10-邻二氮杂菲-5 6-二酮)铁 六氟磷酸铁 电流碘酸盐传感器
  • 简介:Tris)(η5-cyclopentadienyl-μ-carbonyl-iron)-μ3-nitrosylclusterwasobtainedfromthereactionofcyclopentadienyldicarbonylirondimerwithnitrogenmonoxideinxylene.Theclusterwascharacterizedbyelementalanalyses,IR,MSand1HNMR.Thecrystalstructureof[(η5-C5H5)(μ-CO)Fe]3(μ3-NO).C4H8OwasdeterminedbyX-raydiffractionanalysis.ItcrystallizesintheorthorhombicspacegroupPnma,a=9.053(2),6=10.545(2),c=22.525(4)A,V=2150.3(7)A3,Z=4,Dc=1.68g.cm-3;structuresolutionandrefinementbasedon1141reflectionswithI>3.0(I)(MoKa,A=0.71073A)convergedatR=0.0540.Theinfraredabsorptionbandat1325cm-1oftheμ3-NOinthecluster,whichisredshifted,showsthatμ3-NOisactivated.

  • 标签: NITROSYL complexes iron CLUSTER NO activation.