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Phosphorescence lifetime

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15y ago

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What are the properties and characteristics of the triplet state oxygen?

The triplet state oxygen is a form of oxygen with two unpaired electrons, making it a reactive species. It has a longer lifetime compared to the singlet state oxygen and is involved in various chemical reactions, including the formation of harmful reactive oxygen species.


If you have a lifetime license and move to another state is your lifetime license still good?

Only in the state in which it was issued.


Why triplet state is found to be more stable than excited state?

Why triplet excited state is found to be more stable than singlet excited state?


Why triplet sate is more stable?

The triplet state is more stable than the singlet state due to its lower energy configuration. In the triplet state, two electrons have parallel spins, which minimizes electron-electron repulsion and allows for greater spatial separation. This arrangement leads to a more favorable exchange interaction, resulting in increased stability. Additionally, the triplet state is often less susceptible to external perturbations, further contributing to its stability.


What is the different between singlet and triplet?

Singlet and triplet refers to the spin states of electrons in a molecule. Singlet state has two electrons with opposite spins, while triplet state has two electrons with parallel spins. The difference between them affects the physical and chemical properties of the molecule.


Why does a compound in the excited triplet state undergo intersystem crossing before returning to the ground state?

it actually does not. intersystem crossing is what creates the triple state not what reduces it to its ground state. it happens in a series of steps... first you have the excited singlet state created by photon absorption which would generally immediately emit flouresence to return to the ground state. however, if it does not emit flouresence than it becomes subject to intersystem crossing (ISC). ISC can cause an electron to invert its rotation and begin the same orbital rotation path of another electron, therefore creating the triplet state (two electrons having same directional orbit). the triplet state then undergoes internal conversion, again altering those two electrons in question. Now, when the triplet is reduced to the ground state it emits phosphorescence instead of flourescence.


What has the author Dewey William Warner written?

Dewey William Warner has written: 'Picosecond spectrokinetic measurements of singlet and triplet states in some aromatic compounds' -- subject(s): Excited state chemistry, Triplet state


What is the meaning of single state and triplete state?

Single state refers to a quantum state with a single electron occupying it, while triplet state refers to a quantum state with two electrons with opposite spins occupying it. Triplet states have a total spin angular momentum of 1, while single states have a total spin angular momentum of 1/2.


Why is ground state triplet oxygen relative inactive?

I heard its because you fail chemistry and touch yourself at night


What has the author Malcolm George Stock written?

Malcolm George Stock has written: 'Triplet state processes in the vapour phase'


What has the author Edward F Zalewski written?

Edward F. Zalewski has written: 'The lowest triplet state of Pyrazine' 'NBS measurement services'


What is the motto of Free State Project?

The motto of Free State Project is 'Liberty in Our Lifetime'.