High Efficiency
Number of Molecules Reacted: 900 molecules; Number of Photons Absorbed: 1,000 photons
Quantum Yield (Φ): 0.9 molecules/photon
Quantum Yield Calculator
Chemistry0.0(0)
Calculates the quantum yield of a photochemical process, which represents the efficiency of photon usage in initiating a specific reaction. It's the number of times a specific event occurs per photon absorbed.
More tools:Science & Lab Calculators
How To Use
How to use this calculator
Start with your values, or try a preset.
Step 1
Enter Number of Molecules Reacted and Number of Photons Absorbed in the units shown.
Step 2
Read Quantum Yield (Φ) in the results panel. Results update as you change the inputs.
Step 3
Choose a preset to load an example, then adjust the values for your situation.
Worked Examples
Example calculations
See the inputs and their calculated results.
Moderate Efficiency
Number of Molecules Reacted: 500 molecules; Number of Photons Absorbed: 1,000 photons
Quantum Yield (Φ): 0.5 molecules/photon
Low Efficiency
Number of Molecules Reacted: 100 molecules; Number of Photons Absorbed: 1,000 photons
Quantum Yield (Φ): 0.1 molecules/photon
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