An investigation of photochromic behavior of 6-Nitro BIPS

Wahid, Zaharah and Nadir, Najiah (2013) An investigation of photochromic behavior of 6-Nitro BIPS. In: 44th World Chemistry Congress, 11-16 August 2013, Istanbul. (Unpublished)

Preview	PDF Download (193kB) | Preview
	PDF (paper) Restricted to Repository staff only Download (430kB) | Request a copy

Abstract

Among many types of photochromic molecules, spiropyran has gained much attention due to its promising potential commercial application. In order to thoroughly understand its photochromic behavior, it is crucial to determine the effect of the variables that influence the absorption and intensity of the wavelength before and after UV irradiation. Thus, this paper presents an experimental technique to investigate the influence of solvent polarity, duration of light exposure and dye concentration variables on 6-nitro-1’,3’,3’-trimethylspiro[2H-1-benzopyran-2,2’-indoline] (6-Nitro BIPS). Full factorial experimental design was employed in this study. Three variables at 2-level setting were used. The variables levels were fixed. Analysis of variance (ANOVA) was used in the analysis of the experimental results. This investigation also explores and evaluates the interaction between the concentration and solvent variables. The interaction between the wavelength and the intensity variables were also examined. Detailed investigation on the chemical mechanism of the reaction or behavior of the photo transformation of 6-Nitro BIPS will also be discussed

Item Type:	Conference or Workshop Item (Full Paper)
Additional Information:	6526/32215
Uncontrolled Keywords:	Spiropyran, solvent effect, concentration effect, full factorial; UV-Vis spectrophotometer
Subjects:	Q Science > QA Mathematics
Kulliyyahs/Centres/Divisions/Institutes (Can select more than one option. Press CONTROL button):	Kulliyyah of Engineering > Department of Science
Depositing User:	Dr. zaharah Wahid
Date Deposited:	21 Jan 2014 15:25
Last Modified:	02 Mar 2015 10:14
URI:	http://irep.iium.edu.my/id/eprint/32215

Actions (login required)

View Item