Photocatalytic lime render for indoor and outdoor air quality improvement

José Antonio Ibáñez Gómez, Andrea Giampiccolo, David Maria Tobaldi, Sabine Mair, Carla Forbela da Silva, Aurora Maria Casado Barrasa, Daniel Maskell, Martin Philip Ansell, Rajnish Kurchania, Florian Mayer, Joao Antonio Labrincha, Yolanda R. de Miguel, Richard James Ball

Research output: Contribution to journalArticlepeer-review

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This article reports a novel photocatalytic lime render for indoor and outdoor air quality improvement that is composed of a lime binder and doped TiO2 (KRONOClean 7000®) nanoparticles. These nanoparticles were distributed throughout the bulk of the finishing render, instead of as a thin coating, thus ensuring the durability of the photocatalytic properties upon superficial damage. The physical properties of these renders were not affected by the addition of nanoparticles except in the case of surface area, which increased significantly. In terms of their photocatalytic activity, these novel lime renders were shown to degrade up to 12% NOx under UV light and up to 11% formaldehyde under visible light.
Original languageEnglish
Article number296
Pages (from-to)1-21
Number of pages21
Issue number3
Publication statusPublished - 25 Feb 2021


  • Air purification
  • Formaldehyde
  • Lime render
  • NOx
  • Photocatalytic
  • TiO2 nanoparticles
  • UV and visible light

ASJC Scopus subject areas

  • Catalysis
  • Physical and Theoretical Chemistry


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