ReviewThe journal of physical chemistry. C, Nanomaterials and interfaces2024
Transient Absorption Spectroscopy of Films: Impact of Refractive Index.
Review in The journal of physical chemistry. C, Nanomaterials and interfaces, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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Who cites it
8 citing papers in PubMed.
- Ultrathin TiOACS omega · 2026Article
- A guide to transient absorption spectroscopy for porous crystalline materials in photocatalysis.Nature communications · 2026Article
- Real-time 3D monitoring of NIR laser effects on biodegradable polymers.Scientific reports · 2026Article
- Disentangling Refractive Index Contributions in Transient Absorption Spectroscopy of Two-Dimensional Halide Perovskites.The journal of physical chemistry letters · 2025Article
- Unveiling Charge Transfer and Recombination Dynamics in 3D/2D Heterostructure via Ultrafast Spectroscopy for Efficient Perovskite Solar Cells.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2025Article
- Carrier Multiplication and Photoexcited Many-Body States in Solution-Processed 2H-MoSeACS nano · 2025Article
- An Increase in the Rigidity of the Environment Favors MLCT over the MC State in [Ru(bpy)The journal of physical chemistry. A · 2025Article
- Exploring the Dynamics of Charge Transfer in Photocatalysis: Applications of Femtosecond Transient Absorption Spectroscopy.Molecules (Basel, Switzerland) · 2024Review
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Authors and funding
4 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Transient absorption spectroscopy is a powerful technique to study the photoinduced phenomena in a wide range of states from solutions to solid film samples. It was designed and developed based on photoinduced absorption changes or that photoexcitation triggers a chain of reactions with intermediate states or reaction steps with presumably different absorption spectra. However, according to general electromagnetic theory, any change in the absorption properties of a medium is accompanied by a change in the refractive properties. Although this photoinduced change in refractive index has a negligible effect on solution measurements, it may significantly affect the measured response of thin films. In this Perspective paper, we examine why and how the measured responses of films differ from their expected "pure" absorption responses. The effect of photoinduced refractive index change can be concluded and studied by comparing the transmitted and reflected probe light responses. Another discussed aspect is the effect of light interference on thin films. Finally, new opportunities of monitoring the photocarrier migration in films and studying nontransparent samples using the reflected probe light response are discussed. Most of the examples provided in this article focus on studies involving perovskite, TiO
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