Research

My main research areas are

 ·  Laser Spectroscopy  

 ·  Fluorescence Spectroscopy

 · Kinetics and Molecular Dynamics of Ultrafast Chemical Reactions   

  · Photochemistry

1. Than Htun, M., Suwaiyan, A., and Klein, Uwe K. A., “ Proton Transfer Reaction of 4-Hydroxy-1-naphthalenesulphonate in Methanol-Water and Ethanol-Water Mixtures,” Chemical Physics Letters. 243 (1995), pp. 71-77. [Abstract]

2. Than Htun, M., Suwaiyan, A., and Klein, Uwe K. A., “Time-resolved Spectroscopy of of 4-Hydroxy-1-naphthalenesulphonate in Alcohol-Water Mixtures,” Chemical Physics Letters.  243 (1995), pp. 506-511. [Abstract] 

3. Than Htun, M., Suwaiyan, A., and Klein, Uwe K. A., “ Dynamics of an Excited Acid  in 1-Propanol-Water Mixtures,” Chemical Physics Letters.  243 (1995), pp. 512-518. [Abstract]

4. Than Htun, M., Suwaiyan, A., and Klein, Uwe K. A., “ Effect of Calcium Chloride on the Proton Transfer Dynamics of 4-Hydroxy-1-naphthalenesulphonate in Alcohol-Water Mixtures,” Chemical Physics Letters.  246 (1997), pp. 285-291. [Abstract]

5. Than Htun, M., Suwaiyan, A., Baig, A. and Klein, Uwe K. A., “Excited-State Proton Transfer from 4-Hydroxy-1-naphthalenesulphonate to Urea,”  Journal of Physical Chemistry A.  102 (1998), pp. 8230-8235. [Abstract]

6. Than Htun, M., and Suwaiyan, A., “Time-resolved Fluorescence Spectra of 5-Methoxyindole,”  Asian Journal of Spectroscopy.  3 (1999), pp. 91-96. [Abstract]

7. Than Htun, M., “Dynamics of Excited-State Proton Transfer from 1-Naphthol to Urea,” Chemical Physics Letters.  328 (2000), pp. 437-445. [Abstract]

8. Than Htun, “Excited-State Proton Transfer in Nonaqueous Solvent,” Journal of Fluorescence.  13 (2003), pp. 323-329. [Abstract]

9. El-Rayyes, A. A., and Than Htun., “ Effects of Solvents on the Fluorescence of 2-Aminonaphthalene,”  Spectrochimica Acta Part A,  60 (2004), pp. 1985-1989. [Abstract]

10. Than Htun., “A Negative Deviation from Stern-Volmer Equation in Fluorescence Quenching,” Journal of Fluorescence.,   14 (2004), pp. 217-222. [Abstract]

11. El-Rayyes, A. A., and Than Htun., “ Theoretical Studies on the Structure and Hydrogen bonding of 8-Amino-1-Naphthol and its One Water Complex,”  Journal of Molecular Structure (Theochem), 681(2004) , pp. 9-13. [Abstract]

  12. Than Htun and El-Rayyes, A. A., “Excited-State Phototautomerization of 8-Amino-1-naphthol-3,6-Disulfonate in Polar and Acidic  Solutions”, Canadian Journal of      Analytical Sciences and Spectroscopy, Vol. 50 (2005), pp. 111-118.  [Abstract]

   13.   El-Rayyes, A. A., Al-Betar, A, Than Htun and Klein, U. K. A., “Fluorescence Emission from Rhodamine G- Lactone Adsorbed at Solid Catalysts”, Chemical Physics Letters. Vol. 414 (2005), pp. 287-291. [Abstract]

1.   Than Htun, M., and Seddigi, Zaki S., “Laser-induced  Fluorescence Studies on Copper(I)  Iodide Complexes with Tricyclohexylphosphine Ligand,” Proceedings of first Saudi Science Conference,   King Fahd University of Petroleum and Minerals, Dhahran 31261, Saudi Arabia,  1(2001), pp. 381-390.

1. Klein, Uwe K. A., and Than Htun, M., “ A New Approach to Examine the Stability of Plastics Produced by SABIC using Laser-induced Fluorescence Decays,”  Final Report, Project No. CY/SABIC/96-3, November 1998.

2. Than Htun, M., “ Femtosecond Dynamics of Charge Transfer Reactions in Some Biological Systems,”  Final Report, Project No. CY/FEMTO/222, February 2002.

3. Than Htun, M., and El-Rayyes, A. A., “ Photochemical Studies on 8-Amino-1-Naphthol-3,6-disulfonate by Fluorescence Spectroscopy,” Final Report, Project No. SAB-2003/05, April, 2004.