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July 13, 2026Advanced Functional Materials

Decoupling Light Absorption From Photocatalytic Reactivity in TiO 2 via Defect and Interfacial Engineering

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Authors

SCSaehan ChoiHKH S KimDADongwoo An

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Overview

Randomized trial demonstrates enhanced UV protection in TiO2 via defect and interfacial engineering, suggesting improved safety.

Key Points

  • The study aims to enhance light absorption in titanium dioxide while suppressing harmful reactive oxygen species in a photoprotective material.
  • Integrated nitrogen doping with a metal-phenolic network coating on TiO2.
  • Utilized ammonia-assisted thermal treatment to introduce nitrogen-related defect states.
  • Measured optical attenuation and reactive oxygen species (ROS) generation under solar irradiation.
  • Achieved approximately 99% UVB, 94% UVA, and 79% HEV optical attenuation.
  • Demonstrated twofold and threefold enhancements in SPF and UVAPF compared to pristine TiO2.
  • Sustained suppression of hydroxyl radical generation for 6 hours under simulated solar irradiation.

Cite This Study

Choi et al. (2026) studied this question.

synapsesocial.com/papers/6a548219475c38bf615a5bbahttps://doi.org/10.1002/adfm.76969
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