激基缔合物
- 网络Excimer;monomer-excimer;exciplex
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多足化合物的分子内激基缔合物形成及pH对其荧光的影响
The intramolecular excimer formation and the pH effect on the fluorescence of multi-pedal compounds
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An激基缔合物也可向En进行能量传递,但效率很低。
Energy transfer from A_n excimer to E_n was also observed , but the efficiency is very low .
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分别添加长链烷烃和糖淀粉都能引起激基缔合物的荧光强度减弱和单体荧光强度的增强,表明An和长链烷烃共簇集,与糖淀粉形成包结物。
The addition of long chain hydrocarbon and amylose resulted in the reduction of excimer emission and the enhancement of monomer fluorescence .
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发现疏水作用使B3、B4、B5和B(10)的两个发色团在基态时相互重叠,因此被激发时,很容易形成分子内激基缔合物。
Hydrophobic interactions bring the two chromophores of B_3 , B_4 , B_5 and B_ ( 10 ) into a sandwith arrangement in ground state , thus promote intramolecular excimer formation upon excitation .
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结果表明,它们既能形成分子内激基缔合物(excimer),又能形成分子内激基复合物(exciplex),与溶剂极性有关。
The results indicate that they exhibit both intramolecular excimer and exciplex formation depending on the solvent polarity .
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荧光光谱中随着TMEP掺杂浓度的的增大发射峰值有明显的红移,这种现象归因于在TMEP高浓度掺杂情况下激基缔合物的形成。
PL spectra redshift with the increasing concentration of TMEP is due to the excimer formation .
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激基缔合物的形成从TMEP在薄膜状态下与溶液状态下的荧光光谱的比较中得到证实。
The difference between PL spectra of TMEP solution and PL spectra of TMEP solid film confirms the formation of excimer .
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激基缔合物和激基复合物的形成及溶剂效应的研究
Research on the Formation of Excimer and Exciplex and the Solvent Effect
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低苯乙烯含量的丁二烯-苯乙烯共聚物的激基缔合物荧光研究
Studies on the excimer fluorescence of butadiene-styrene copolymer of low styrene content
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碱基诱导激基缔合物带振动结构的荧光发射
RNA and Bases Induced Vibrational Structures of Excimer Fluorescence
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聚苯硫醚砜激基缔合物荧光光谱的研究
Study of excimer fluorescence spectra of polyphenylene sulfide sulfone
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纳米二氧化硅为核的树枝状分子中荧光素激基缔合物和基态复合物的形成
Excimer and Ground-state Complex Formation of Fluorescein in a Dendrimer Based on Silica Nanoparticles
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乙醇-水团簇分子形成激基缔合物及荧光发射机理研究
The fluorescence spectral characteristics and the emission mechanism of ethanol excimer in water solution
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临界胶束浓度前阳离子表面活性剂诱导激基缔合物形成的荧光光谱研究
Fluorescence Studies of the Excimer Formation Induced by Cationic Surfactant Below the Critical Micelle Concentration
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聚电解质对离子型染料形成激基缔合物和能量传递的增强作用
Enhancement of Excimer Formation and Energy Transfer Efficiency of Ionic Dyes via Interaction with Polyelectrolyte
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一种新型的分子内激基缔合物&双-β-萘基烷烃及其衍生物分子内激基缔合物的研究
A new type of intramolecular excimers with bis - β - naphthyl alkanes and their derivatives
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荧光法测定临界胶束浓度&十二烷基苯磺酸钠激基缔合物荧光测定
Fluorescence method of determining critical micellar concentration ── investigation on the excimer of sodium dodecyl benzenesulfonate
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用激基缔合物荧光研究聚苯乙烯-聚甲基丙烯酸甲酯嵌段共聚物在溶液中的分子构型
Study on Molecular Configuration of Poly ( Styrene b methyl methacrylate ) in Solution by Excimer Fluorescence Technique
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β-环糊精增强丙酸苯酯激基缔合物的形成和催化作用的研究
Study on the enhancement of the formation of excimer of phenyl propionate by β - cyclodextrin and its catalytic effect
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在固态下,有机小分子很容易形成各种聚集形态(激基缔合物、激基复合物或聚集体)。
Small organic molecules can easily form aggregation morphology ( excimers , exciplexes , or aggregates ) in the solid state .
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根据激基缔合物的形成机理初步分析认为乙醇和水分子通过氢键相连形成了夹心面包式的平面分子结构。
The preliminary conclusion about the structure feature of ethanol-water cluster molecule is that it has a planar one like a sandwich .
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低温荧光光谱说明在基态时有部分生色团呈激基缔合物构象。
Through studying the fluorescence spectrum of PMPES at77K , partial chromophores were found to form excimer 's conformation at ground state .
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加入盐增大介质的极性有利于激基缔合物的形成。
The higher polarity of the medium caused by the added salt ( NaCl ) is in favour of the formation of excimer .
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荧光光谱法研究的结果表明,β-环糊精水溶液能够增强丙酸苯酯激基缔合物的形成。
The enhancing effect of the cavity of β - cyclodextrin on the formation of excimer of phenyl propionate has been investigated through the fluorescence spectra .
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工作中采用了归一化的方法作图,并选择β-萘甲酸乙酯为标准进行比较,使分子内和分子间激基缔合物得以清楚地区分。
A normalized method of plotting the fluorescence spectra was used , in which the ethyl - β - naphthoate was chosen as the standard for comparison .
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通过分析其荧光光谱发现具有激基缔合物荧光发射的所有特征,认为处于基态和激发态的团簇分子间形成了激基缔合物。
Through analyzing the fluorescent characteristics of an excimer , it is proposed that the excimers are formed between the ethanol-water cluster molecules in the excited state and in the ground state .
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然而,在制备有机发光器件的过程中,往往由于芴酮缺陷而导致分子聚集和激基缔合物的产生,使芴类材料产生绿光发射带,严重影响了其蓝光纯度。
However , on account of the occurrence of molecular aggregation and excimer by fluorenone defects , green band emission happened during the fabrication of fluorene-based organic light-emitting devices ; thus , the luminous purity was highly influenced .
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工作表明对这类可用作荧光化学敏感器的三足化合物,如利用其激基缔合物的强度变化为其识别外来物种的敏感部位并不适合。
The results indicate that for the compound 1 , used as a fluorescence chemical sensor , the change of fluorescence of the excimer used as a sensing part for the detection of foreign species is not suitable .
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结果显示,五个化合物均具有较高的激发态能级,适宜作电子传输材料,并发现浓度和分子结构对激基缔合物的形成有很大影响。
The experimental results show that all the compounds possess high excitation levels and are suitable for electron transport materials . Simultaneously , it is found that solution concentration and molecular structure have large effect on the formation of excimers .