chemistry

Photochemistry & Light-Driven Reactions

The study of chemical reactions initiated by light absorption — from Beer-Lambert transmission and fluorescence quantum yields to photocatalytic degradation, photosynthetic electron transport, and UV weathering of materials.

photochemistryBeer-Lambert lawquantum yieldfluorescencephotocatalysisphotosynthesisUV degradationabsorption spectra

Photochemistry governs every light-driven process in nature and technology. When a molecule absorbs a photon, it enters an excited electronic state that can trigger bond breaking, electron transfer, or energy emission as fluorescence. The Beer-Lambert law quantifies how light attenuates through absorbing media, while quantum yield measures the efficiency of photochemical conversion.

These simulations let you explore photon absorption and spectral transmission, measure fluorescence quantum yields, model TiO2 photocatalytic degradation of pollutants, trace the electron transport chain in photosynthesis, and predict UV weathering rates for polymers — all with real-time interactive controls grounded in established photochemical equations.

5 interactive simulations

simulator

TiO₂ Photocatalytic Degradation

Model TiO2 photocatalytic degradation of organic pollutants — explore UV intensity, catalyst loading, and Langmuir-Hinshelwood kinetics

simulator

Beer-Lambert Law & Absorption Spectra

Simulate photon absorption through solutions using the Beer-Lambert law — explore how concentration, path length, and molar absorptivity affect transmittance

simulator

Photosynthesis Light Reactions & Electron Transport

Simulate the light reactions of photosynthesis — model electron flow through PSII, cytochrome b6f, and PSI to produce ATP and NADPH

simulator

Fluorescence Quantum Yield Simulator

Simulate fluorescence quantum yield — explore radiative and non-radiative decay rates, Stokes shift, and emission spectra

simulator

UV Weathering & Polymer Degradation

Model UV-induced polymer degradation — predict material lifetime from UV dose, stabilizer concentration, and temperature using Arrhenius kinetics