singlet state

The " ene " reaction of olefinic hydrocarbon and singlet state oxygen

烯烃与单重态氧的ene反应

, fluorescence quantum yield φ, and total n electronic energy difference between ground state and the first excited singlet state : vF .

荧光量子产率φ与基态、第一激发单重态间的π电子能量差（Eg~π&Ee~π）存在着以下的关系：上述F。

Singlet state also has some triplet nature , the decay time becomes much longer .

单线态也带有某些三线态的性质，衰减时间变长。

Structure and Potential Energy Function for the Ground State and the First Excited Singlet State of ~ ( 14 ) NH Radical

~（14）NH自由基基态与第一激发单重态的结构与势能函数

From the data radiative and nonradiative lifetimes of the first-excited singlet state were calculated .

计算了第一激发单线态辐射和非辐射寿命。

By solvation experiments and theoretical calculations , It was confirmed that the emission is from the singlet state intramolecular charge transfer .

通过实验和理论计算证实了单线态发射来源于分子内的电荷转移。

A Comparison between the G Values of the Lowest Excited Singlet State of Cyclohexane Measured by Using TBP as Scavenger and by the Fluorescence Method

TBP探针法与荧光光谱法测定环己烷最低激发单态G值的比较

The inter system-crossing rate , the lifetime and the absorption cross-section of the excited singlet state at 532 nm were deduced .

测量了样品的系际交叉速率、单重态的寿命及其对532nm波长的吸收截面。

By using tributyl Phosphate ( TBP ) as an energy acceptor , G value of lowest excited singlet state of cyclohexane has been determined under γ irradiation .

以磷酸三丁酯为激发分子清除剂，测定了γ辐照下环己烷最低激发单态的G值，并与Lipsky的荧光光谱法的结果进行了比较。

The main contents include three aspects : 1 . Based on a set of laser manipulation on the trapped ions , we propose an alternative scheme for preparation of singlet state via adiabatic evolutions in the ion-trap system .

主要包括以下三方面工作：1、基于用一系列激光驱动离子，提出了一个利用囚禁离子系统的绝热演化制备singlet态方案。

In the process , chloranil firstly was excited to singlet state and then a labile hydrogen abstraction interaction between singlet chloranil and β - diketones was involved to form singlet stable neutral radical pairs ( RP ) .

光照作用下，四氯苯醌首先跃迁至单线态，然后夺取β二酮类化合物分子中的活泼氢，形成单线态中性自由基对。

From the effect of anthracene as a diffusion-controlled quencher of the photoreaction , it is indicated that both excited triplet state and an unquenchable excited singlet state of eosin participated in the sensitized photoreaction .

用三重态猝灭剂&蒽猝灭反应的结果表明，曙红的激发单重态与激发三重态都参与了敏化反应。

Optical Limiting in C 60 / PMMA Composite Based on Singlet Excited State Absorption

C（60）／PMMA的单重态激发态吸收光限幅研究

It was found that exciplex can be formed between singlet excited state of 9-vinyl anthracene and p-N , N-dimethylamino styrene in various solvents .

测定了9-乙烯基蒽和对-N，N-二甲氨基苯乙烯体系在不同极性的溶剂中的荧光光谱和荧光量子产率。

The experimental investigation shows that these two dyes undergo fluorescence quenching in their singlet excited state and the quenching rates ( Kq ) by viologen are faster than that by amines .

结果表明，这两个染料在激发单重态经荧光猝灭，被紫精猝灭的速度常数（kq）比被胺猝灭的速度常数大。

The dissociation mechanism of acetone in the n →π ~ singlet excited state S_1 ( n ,π ~ ) is discussed using the ab initio SCF MO method at UHF / 3-21G level .

用从头算自洽场方法在3-21G水平上研究了丙酮在n→π~＊激发单态（S1（n，π~＊））势能表面上的光解反应。

However , in the time domain between the subpulses , the population of the singlet excited state will relax to the lowest triplet state through the ISC process . Thus two subsystems are coupled with each other .

在无脉冲作用时域，被激发到单重激发态的粒子数可以通过系统内交叉过程跃迁至三重态，两个子系统耦合在一起。

The excitonic envelop functions for singlet and triplet state are calculated numerically .

数值计算了单态和三重态激子的包络函数；

Singlet deuteron intermediate state in D-D four-body breakup reaction (ⅱ)

d-d四体破裂反应的单态氘中间过程（Ⅱ）

In the low density region , superconducting pairing of singlet and triplet state will open up a spin energy gap and form a spin gap state .

在电子占据密度较小的区域，单重态与三重态超导配对会打开一自旋能隙，形成一自旋能隙态。