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77K Excitation and Phosphorescence Spectra of Polycyclic Aromatic Sulfur Heterocycles with Molecular Weight 234

Authors: Maha Al Tameemi; Sadia Arif; Andres D. Campiglia
Published On: Dec 21 2017 20:05 UTC
DOI: https://doi.org/10.7266/N7S180ZG
UDI: R5.x284.000:0013
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No. of Files: 20

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Project Information

Funded By:
Gulf of Mexico Research Initiative

Funding Cycle:
RFP-V

Research Group:
A Combined Analytical and Synthetic Approach Based on Line Narrowing Spectroscopy for Specific Isomer Determination of Petroleum Oil Spills

Point of Contact

Andres D. Campiglia
University of Central Florida / Department of Chemistry
andres.campiglia@ucf.edu

Theme keywords

Phosphorescence, PASHs, Polycyclic aromatic sulfur heterocycles

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Abstract:

Excitation and phosphorescence spectra for 11 polycyclic aromatic sulfur heterocycles (PASHs) at 77K are reported. The spectra were recorded with the aid of a Fluoromax (Horiba Jobin Yvon) using a pulsed lamp, fiber optic probe, and shpolskii solvents.

Suggested Citation:

Maha Al Tameemi; Sadia Arif; Andres D. Campiglia. 2017. 77K Excitation and Phosphorescence Spectra of Polycyclic Aromatic Sulfur Heterocycles with Molecular Weight 234. Distributed by: GRIIDC, Harte Research Institute, Texas A&M University–Corpus Christi. doi:10.7266/N7S180ZG

Publications:

Al-Tameemi, M., Arif, S., Campiglia, A. D., Wilson, W. B., & Wise, S. A. (2018). Photoluminescence Spectroscopy of Anthrathiophenes and Benzonaphthothiophenes in Shpol’skii Matrixes. Talanta. doi:10.1016/j.talanta.2018.10.044

Purpose:

To identify spectral features of polycyclic aromatic sulfur heterocycles with molecular weight 234.

Data Parameters and Units:

column 1 = X is wavelength (nm) column 2 = Y is intensity (cps) File naming convention example: 100_ppb _P43bT_77K_emission_blanksub_smoothed where 100 = concentration value of polycyclic aromatic sulfur heterocycles (PASHs); ppb = concentration unit (parts per billion); P43bT = PASH standard where the following code list was used: P32T = Phenanthro (3,2-b) Thiophene P23T = Phenanthro (2,3-b) Thiophene P12T = Phenanthro (1,2-b) Thiophene P21T = Phenanthro (2,1-b) Thiophene P34T = Phenanthro (3,4-b) Thiophene P43T = Phenanthro (4,3-b) Thiophene P910T = Phenanthro (9,10-b) Thiophene BbN12T = Benzo (b) naphtho (1,2-b) Thiophene BbN21T = Benzo (b) naphtho (2,1-b) Thiophene BbN23T = Benzo (b) naphtho (2,3-b) Thiophene 77K= temperature of the sample ; emission = spectra type (excitation or emission); blanksub = blank was subtracted from data; smoothed = spectrum smoothed using a Savitzky-Golay filter with a polynomial of order 2 with a window of 5 points. Wavelength range = 200-700 nm; Sample window = 9 ms; Initial delay = 0.04 ms; Number of Pulses =10; Time between flashes = 50 ms

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