A smart ink for the assessment of low activity photocatalytic surfaces

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13 Citations (Scopus)

Abstract

The azo dye, basic blue 66 (BB66) is used in a photocatalyst activity indicator ink (paii) to assess the activity of low activity photocatalytic surfaces, such as commercial photocatalytic tiles and silicone contaminated self-cleaning glass. The BB66 paii is shown to respond much faster than a previously reported, resazurin (Rz) based paii, i.e. the use of a BB66 paii on low activity self-cleaning tiles was found to be >6 times faster than the Rz paii. The BB66 paii is also shown to be effective at assessing the activity of piece of commercial self-cleaning glass contaminated with a coating of silicone, on which the Rz ink, in contrast, failed to show any significant change in colour over the same time period.
Original languageEnglish
Pages (from-to)5409-5414, Impact Factor: 4.1
Number of pages6
JournalAnalyst
Volume139
Early online date03 Sep 2014
DOIs
Publication statusPublished - 2014

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