Uv-visible photodegradation of methylene blue doped in poly(vinyl alcohol)(PVA) solid matrix

• Main Authors: Chan, Kok Sheng, Mat Yunus, Wan Mahmood, Wan Yunus, Wan Md. Zin, Talib, Zainal Abidin, Abd. Moksin, Mohd Maarof
• Format: Article
• Language: English
• Published: Malaysian Solid State Science and Technology Society 2003
• Online Access: http://psasir.upm.edu.my/id/eprint/42204/1/Uv-visible%20photodegradation%20of%20methylene%20blue%20doped%20in%20poly%28vinyl%20alcohol%29%28PVA%29%20solid%20matrix.pdf; http://psasir.upm.edu.my/id/eprint/42204/; http://masshp.net/journal/all%20journal/VOLUME%2011%20NO.%201,%202003/htm/Vol.%2011,%20No.1%20%282003%29%20124-%20130.htm
• Institution: Universiti Putra Malaysia

In this paper, The photobleaching of methylene blue (MB) doped in poly(vinyl alcohol) (PVA) matrix was investigated using an uv-visible fibre optic spectrophotometer. The absorption observed at 660nm decreases with the increasing of the exposure time. The blue color of the MB doped PVA sample turned...