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Triplet State Quantum yield Calculator

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Fluoroscence and Phosphorescence Quantum Yield and Singlet Llifetime

✖Rate Constant of Intersystem Crossing is the rate of decay from excited singlet electronic state to triplet state.ⓘ Rate Constant of Intersystem Crossing [K_ISC]			+10% -10%
✖Singlet State Concentration is the number of molecules present in the singlet excited state.ⓘ Singlet State Concentration [[M_S1]]			+10% -10%
✖Absorption Intensity obtained by integrating the area under the absorption line—is proportional to the amount of the absorbing substance present.ⓘ Absorption Intensity [I_a]			+10% -10%

✖Quantum Yield of Triplet State is the rate if triplet state intensity to absorption intensity.ⓘ Triplet State Quantum yield [φ_triplet]

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Triplet State Quantum yield Solution

STEP 0: Pre-Calculation Summary

Formula Used

Quantum Yield of Triplet State = (Rate Constant of Intersystem Crossing*Singlet State Concentration)/Absorption Intensity
φ_triplet = (K_ISC*[M_S1])/I_a
This formula uses 4 Variables

Variables Used

Quantum Yield of Triplet State - Quantum Yield of Triplet State is the rate if triplet state intensity to absorption intensity.
Rate Constant of Intersystem Crossing - (Measured in Hertz) - Rate Constant of Intersystem Crossing is the rate of decay from excited singlet electronic state to triplet state.
Singlet State Concentration - (Measured in Mole per Cubic Meter) - Singlet State Concentration is the number of molecules present in the singlet excited state.
Absorption Intensity - (Measured in Watt per Square Meter) - Absorption Intensity obtained by integrating the area under the absorption line—is proportional to the amount of the absorbing substance present.

STEP 1: Convert Input(s) to Base Unit

Rate Constant of Intersystem Crossing: 64000 Revolution per Second --> 64000 Hertz (Check conversion here)
Singlet State Concentration: 2E-05 Mole per Liter --> 0.02 Mole per Cubic Meter (Check conversion here)
Absorption Intensity: 250 Watt per Square Meter --> 250 Watt per Square Meter No Conversion Required

STEP 2: Evaluate Formula

Substituting Input Values in Formula

φ_triplet = (K_ISC*[M_S1])/I_a --> (64000*0.02)/250

Evaluating ... ...

φ_triplet = 5.12

STEP 3: Convert Result to Output's Unit

5.12 --> No Conversion Required

FINAL ANSWER

5.12 <-- Quantum Yield of Triplet State

(Calculation completed in 00.020 seconds)

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< Emission Spectroscopy Calculators

Degree of Exciplex Formation

LaTeX Go Degree of Exciplex Formation = (Equilibrium Constant for Coordinate Complexes*Quencher Concentration given Degree of Exciplex)/(1+(Equilibrium Constant for Coordinate Complexes*Quencher Concentration given Degree of Exciplex))

Collisional Energy Transfer

LaTeX Go Rate of Collisional Energy Transfer = Quenching Constant*Quencher Concentration given Degree of Exciplex*Singlet State Concentration

Difference in Acidity between Ground and Excited State

LaTeX Go Difference in pka = pKa of Excited State-pKa of Ground State

Equilibrium Constant for Exciplex Formation

LaTeX Go Equilibrium Constant for Coordinate Complexes = 1/(1-Degree of Exciplex Formation)-1

< Quantum Yield and Singlet Llifetime Calculators

Phosphorescence Quantum Yield given Intersystem Quantum Yield

LaTeX Go Phosphorescence Quantum Yield given ISC = (Phosphorescence Rate Constant/Absorption Intensity)*(((Absorption Intensity*Triplet State Quantum Yield)/Rate Constant of Triplet Triplet Anhilation)^(1/2))

Fluoroscence Quantum Yield given Phosphorescence Quantum Yield

LaTeX Go Fluorosecence Quantum Yield given Ph = Phosphosecence Quantum Yield*((Rate Constant of Fluoroscence*Singlet State Concentration)/(Phosphorescence Rate Constant*Concentration of Triplet State))

Fluorescence Quantum Yield

LaTeX Go Quantum Yield of Fluorescence = Rate of Radiative Reaction/(Rate of Radiative Reaction+Rate of Internal Conversion+Rate Constant of Intersystem Crossing+Quenching Constant)

Phosphorescence Quantum Yield

LaTeX Go Quantum Yield of Phosphorescence = Rate of Radiative Reaction/(Rate of Radiative Reaction+Rate Constant of Non Radiative Reaction)

Triplet State Quantum yield Formula

LaTeX Go

Quantum Yield of Triplet State = (Rate Constant of Intersystem Crossing*Singlet State Concentration)/Absorption Intensity
φ_triplet = (K_ISC*[M_S1])/I_a

What is meant by Intersystem Crossing?

Intersystem crossing is an isoenergetic radiationless process involving a transition between the two electronic states with different spin multiplicity. It is formally forbidden within non relativistic quantum theory, is the mechanism by which a molecule changes its spin state.

How to Calculate Triplet State Quantum yield?

Triplet State Quantum yield calculator uses Quantum Yield of Triplet State = (Rate Constant of Intersystem Crossing*Singlet State Concentration)/Absorption Intensity to calculate the Quantum Yield of Triplet State, Triplet State Quantum yield is the rate of triplet state intensity to absorption intensity. In other words the amount of product formed to the amount of light absorbed. Quantum Yield of Triplet State is denoted by φ_triplet symbol.

How to calculate Triplet State Quantum yield using this online calculator? To use this online calculator for Triplet State Quantum yield, enter Rate Constant of Intersystem Crossing (K_ISC), Singlet State Concentration ([M_S1]) & Absorption Intensity (I_a) and hit the calculate button. Here is how the Triplet State Quantum yield calculation can be explained with given input values -> 5.12 = (64000*0.02)/250.

FAQ

What is Triplet State Quantum yield?

Triplet State Quantum yield is the rate of triplet state intensity to absorption intensity. In other words the amount of product formed to the amount of light absorbed and is represented as φ_triplet = (K_ISC*[M_S1])/I_a or Quantum Yield of Triplet State = (Rate Constant of Intersystem Crossing*Singlet State Concentration)/Absorption Intensity. Rate Constant of Intersystem Crossing is the rate of decay from excited singlet electronic state to triplet state, Singlet State Concentration is the number of molecules present in the singlet excited state & Absorption Intensity obtained by integrating the area under the absorption line—is proportional to the amount of the absorbing substance present.

How to calculate Triplet State Quantum yield?

Triplet State Quantum yield is the rate of triplet state intensity to absorption intensity. In other words the amount of product formed to the amount of light absorbed is calculated using Quantum Yield of Triplet State = (Rate Constant of Intersystem Crossing*Singlet State Concentration)/Absorption Intensity. To calculate Triplet State Quantum yield, you need Rate Constant of Intersystem Crossing (K_ISC), Singlet State Concentration ([M_S1]) & Absorption Intensity (I_a). With our tool, you need to enter the respective value for Rate Constant of Intersystem Crossing, Singlet State Concentration & Absorption Intensity and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.

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