TSE CEN/TS 16981
Photocatalysis - Glossary of terms
A common language for standards, disclosed to a wide audience and referring only to the operational protocols and to their outcomes, is needed both for a consistent set of standards and the connection with the scientific literature. This glossary will take into account existing glossary of terms used in photocatalysis and photochemistry. Because in photocatalysis numerous properties are difficult to be evaluated, it is strongly recommended in standard norms to avoid reporting properties depending on number of actives sites, the mechanisms of adsorption or kinetic mechanisms of photocatalytic reactions. For the same reason instead of the quantum yield and related quantities it is easier to report the photonic efficiency.
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About This Item
TSE CEN/TS 16981 is a glossary of terms intended to establish a common and consistent vocabulary for photocatalysis. It supports alignment between standards work and the scientific literature, so that terms used in reporting, comparison, and discussion carry the same technical meaning. In a field where results are often compared across different methods and materials, shared terminology is a practical foundation for clear communication.
Why common terminology matters in photocatalysis
Photocatalysis refers to light-driven chemical transformations occurring on or near a catalyst surface. The subject brings together concepts such as photon flux, irradiation, adsorption, reaction rate, active sites, and quantum yield. Glossaries help prevent the same concept from being described with multiple meanings and make experimental reports easier to interpret across different sources.
A notable technical theme in this document is the cautious use of quantities that are difficult to evaluate reliably in photocatalysis. The scope text highlights the difficulty of reporting properties dependent on the number of active sites, adsorption mechanisms, or kinetic mechanisms, and it indicates that photonic efficiency is often a more practical quantity to report than quantum yield and related values. That guidance reflects a broader technical reality: in photocatalysis, defining and measuring every underlying variable can be challenging, so terminology needs to remain precise and realistic.
What this document provides
- A shared vocabulary for photocatalysis and photochemistry
- Conceptual alignment between standards and scientific publications
- Clearer reporting language for performance-related quantities
- Terminological framing that favors photonic efficiency in contexts where quantum-yield-based reporting is difficult
This listing is based on CEN/TS 16981 and is marked withdrawn. It is therefore useful as a historical and technical vocabulary reference, rather than as a current independent basis for compliance claims.
- Publication Date: 9.01.2017
- Standard Status: H (İptal Edilmiş Standard/Withdrawn standard)
- Publisher: TSE
- Document Language: en
- ICS Classification: 01.040.25 İmalat Mühendisliği (Terimler); 25.220.20 Yüzey İşleme
- Pages: 53
- Source Standard: CEN/TS 16981:2016
- International Equivalents: CEN/TS 16981-EQV
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