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Indoor and outdoor monitoring of photocatalytic activity using a mobile phone app. and a photocatalytic activity indicator ink (paii)

Paper ID Volume ID Publish Year Pages File Format Full-Text
25874 43900 2015 4 PDF Available
Title
Indoor and outdoor monitoring of photocatalytic activity using a mobile phone app. and a photocatalytic activity indicator ink (paii)
Abstract

•Resazurin based ink used to assess the activity of commercial self-cleaning films.•Mobile phone camera and colour monitoring app. used to record digital images of ink.•Direct correlation between red colour change in an image and absorbance change of ink.

A resazurin (Rz) based photocatalyst activity indicator ink (paii) is used to test the activity of commercial self-cleaning materials. The semiconductor photocatalyst driven colour change of the ink is monitored indoors and outside using a simple mobile phone application that measures the RGB colour components of the digital image of the paii-covered, irradiated sample in real time. The results correlate directly with those generated using a traditional, lab-bound method of analysis (UV–vis spectrophotometry).

Graphical abstractThe semiconductor photocatalysed reduction of dye in an activity indicator ink is monitored using a mobile phone in combination with a colour monitoring application, allowing the outdoor assessment of the activity of commercial photocatalyst based self-cleaning films.Figure optionsDownload full-size imageDownload as PowerPoint slide

Keywords
Photocatalysis; Inks; Resazurin; Self-cleaning
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Indoor and outdoor monitoring of photocatalytic activity using a mobile phone app. and a photocatalytic activity indicator ink (paii)
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Publisher
Database: Elsevier - ScienceDirect
Journal: Journal of Photochemistry and Photobiology A: Chemistry - Volume 298, 1 February 2015, Pages 64–67
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
Online Support
Any Questions? feel free to contact us