1.

M.M. Husain  

M.S. Khan

Z.H. Khan

Electronic Absorption Spectra of 1-Methyl and 2-Methyl Phenanthrenes and Their Radical Cations.

Spectrochim. Acta (Great Britain) Part A  (in press).

2.

M. Ahmed

M.S. Khan

Z.H. Khan

Electronic Absorption Spectra of  Benzoquinone and Its Hydroxy Substituents and Effect of Solvents on Their Spectra.

Spectrochim. Acta (Great Britain) A56, 965-981 (2000).

3.

A.K. Sharma

S. Chandra

Z.H. Khan

New Method for the Evaluation of RKR Potential Integrals for Diatomic Molecules

Pramana 47, 65-77 (1996).

4.

M.M. Husain

Z.H. Khan

E. Haselbach

Prediction of the Lowest-Energy Non-Koopmans Doublet States and the First Ionization Potentials of Polycyclic Aromatic Systems  from Their Triplet-State Energies.

Appl. Spectrosc. (USA) 349, 1852-856 (1995).

5.

M. Ahmed

Z.H. Khan

Molecular Orbital Studies on Electronic Spectra of Some Substituted Anthraquinone Cation Radicals.

Acta Phys. Polon.  A87, 939-951 (1995).

6.

Z.H. Khan

M.M. Husain

E. Haselbach

On the Correlation Between Electronic Spectra of Alternant Aromatic Hydrocarbons and  Their Radical Cations.

Appl. Spectrosc. (USA) 347 , 2140-2144  (1993).

Cations.

7.

Z.H. Khan

The Lowest Non-Koopmans State in Radical Cations of Condensed-Ring Aromatics as a Predictor of    the Ionization Potentials of Their Neutral Precursors.

Canad. J. Appl. Spectrosc. 337, 82-88 (1992).   

8.

Z.H. Khan

Electronic Spectra of Radical Cations  and  Their Correlation  with Photoelectron  Spectra. VI. A Reinvestigation of  Two-, Three-, and Four-Ring Condensed Aromatics.

Acta Phys. Polon. A82, 937-955 (1992). 

9.

Z.H. Khan

A Theoretical  Study  of  Electronic Spectra  of Radical Cations of Some Dihydroxynaphthalenes. 

Int. J. Quant. Chem. 342, 1717-1735 (1992).

10.

Z.H. Khan

Open-Shell SCF-CI Calculations for Radical Cations of  Dihydroxy-naphthalenes  with  C2v  and  C2h Symmetry. 

Acta Phys. Polon. A80, 29-46 (1991).   

11.

A.K. Sharma

Z.H. Khan

Z.H. Zaidi

Calculation of Ionization Potentials of Polycyclic Aromatic Hydrocarbons Using FEMO Theory.   

Z. Phys. Chemie Leipzig (Germany) 327, 1205-1214 (1990).

12.

A.K. Sharma

Z.H. Zaidi

Z.H. Khan

Free Electron  Molecular Orbital  Calculation of  Electron Affinities  of  Conjugated Aromatic Hydrocarbons.

Z. Phys. Chem. Leipzig (Germany) 327,  837-840 (1990).   

13.

Z.H. Khan

IONSP1: Software Package SAA-019-S90 (Computer Program for Open-Shell SCF-LCI Calculation of Electronic Spectra of Conjugated Ion-Radicals).

Spectrochim. Acta (GB) 346A, I (1990).   

14.

Z.H. Khan

FEMO: Software Package SAA-020-S90 (Computer  Program  for    Calculating Electronic Spectra of Condensed-Ring Aromatic    Hydrocarbons and  Their Ion-Radicals Using the Free Electron    Molecular Orbital Theory).    

Spectrochim. Acta (GB)  346A, II (1990).   

15.

Z.H. Khan

Electronic Spectra of Radical    Cations    and    Their Correlation with Photoelectron Spectra.V. Pyrenes.

Spectrochim. Acta (GB)  345A, 253-270 (1989).   

16.

Z.H. Khan

Electronic Spectra of Radical    Cations    and    Their Correlation with Photoelectron Spectra. IV. IP(1) - E(A) Correlation.   

Spectrochim. Acta (GB) 344A, 1125-1128 (1988).

17.

Z.H. Khan

Z.U. Khan

Z.H. Zaidi

Spectroscopic Study of Radical Cations of Substituted  Aromatics.        I. 1-Naphthol  and 2-Naphthol.

Canad. J. Spectrosc. 333, 170-174 (1988).   

18.

Z.H. Khan

Electronic Spectra of Radical    Cations    and    Their Correlation with Photoelectron Spectra. III. Perylenes and Coronenes.

Spectrochim. Acta (GB) 344A, 313-320 (1988).

19.

Z.H. Khan

Electronic Spectra of Radical  Cations  and  Their Correlation with Photoelectron Spectra. II. Tetraphene and Pentaphenes.   

Z. Naturforsch. (Germany)  342a,  91-96 (1987).   

20.

W. Hendel

Z.H. Khan

W. Schmidt

Hexa-peri-benzocoronene, a Candidate for the Origin of the        Diffuse  Interstellar Visible Absorption Bands?

Tetrahedron, (GB)  342, 1127-1134 (1986).

21.

Z.H. Khan

Comparison Between Optical and Photoelectron Spectra of Polycyclic Aromatics.

Sing. J. Phys. 32, 95-103 (1985).

22.

Z.H. Khan

Electronic Spectra of Radical  Cations and  Their Correlation with Photoelectron SpectraI. Dibenzochrysene and Dibenzanthracenes.

Z. Naturforsch. (Germany) 339a, 668-677 (1984).

23.

R.A. Fields

E. Haindl

C.J.WinscomZ.H. Khan

M. Plato

K. Möbius

Optical Zeeman Spectroscopy of the Lowest  Doublet Excited States of Tris(acetylacetonato) chromimium (III).

J. Chem. Phys. (USA) 380 (7), 3082-3086 (1984).

24.

Z.H. Khan

Optical Spectral Data for Condensed-Ring Aromatic Hydrocarbon Radical Cations.   

Canad. J. Spectrosc. 329,  63-69 (1984).   

25.

Z.H. Khan

Classification  and Nomenclature of Electronic Spectra of Conjugated Ion-Radicals.

Canad. J. Spectrosc. 328,  57-59 (1983).   

26.

Z.H. Khan

Experimental and Theoretical Studies on the Electronic Spectra        of Tetracyclic Aromatic Hydrocarbon Cation Radicals.   

Canad. J. Spectrosc. 323,  8-15 (1978).

27.

Z.H. Khan

B.N. Khanna

A Study of the Electronic Spectrum of 3,4-Benz phenanthrene Cation Radical.   

Z. Naturforsch (Germany) 332a, 796-797 (1977).   

28.

Z.H. Khan

B.N. Khanna

Formation of  the Radical  Cations of Some Tetracyclic Aromatic Hydrocarbons in  Boric Acid Glass.

Canad. J. Chem. 352,  827-828 (1974).   

29.

Z.H. Khan

Z.H. Zaidi

B.N. Khanna

Absorption Spectra of Naphthalene, Anthracene and Phenanthrene Cations in Boric Acid Glass  in the Region 600 - 1400 nm.   

Ind. J. Pure Appl. Phys.  312,  66-68  (1974).   

30.

Z.H. Khan

Z.H. Zaidi

B.N. Khanna

Molecular Orbital Calculations of the Electronic Spectra of Aromatic Hydrocarbon Mononegative Ions.

J. Phys. Chem. (USA) 377, 1814-1816  (1973).   

31.

Z.H. Khan

B.N. Khanna

Electronic Absorption Spectra of Pyrene and Its Monopositive Ion.

J. Chem. Phys. (USA) 359,  3015-3019  (1973).   

32.

Z.H. Khan

B.N. Khanna

Calculation of Bondlengths in Aromatic Hydrocarbons Using    Tight-Binding and  Intra-Ring Approximations.   

Ind. J. Pure Appl. Phys. 310,  563-565 (1972).

33.

34.

Z.H. Khan

Z.H. Khan

M.M. Husain

On the Correlation among Electronic Singlet, Doublet and Triplet State Energies of Condensed-Ring Aromatic Hydrocarbons.

Presented in FACSS’99 Conference and International Conference on Analytical and Spectroscopic Societies, Vancouver, Canada, October 22-28, 1999.

Electronic Absorption and Laser-Induced Fluorescence Studies of Methyl Substituted Phenanthrenes of Astrophysical Interest.

Presented in FACSS’99 and International Conference on Analytical and Spectroscopic Societies, Vancouver, Canada, October 22-28, 1999.

35. 

M.M. Husain

Z.H. Khan

Development of a Laser-Induced Fluorescence Set-up and Study of LIF Spectra of Naphthalene and Its 1-Methyl Derivative.

Proceedings of the National Laser Symposium, Indian Institute of Technology, Kanpur, December 14-16, 1998, p.57.

36.

Z.H. Khan

M.M. Husain

Electronic Absorption and Laser-Induced Fluorescence Spectra of Methyl-Substituted Anthracenes.

Proceedings of the National Laser Symposium, Indian Institute of Technology, Kanpur, December 14-16, 1998, p.58.

37.

Z.H. Khan

Electronic Spectroscopy of Condensed-Ring Aromatic Hydrocarbon Cations.

National Symposium on Recent Advances in Laser and Molecular Spectroscopy, D.D.U. Gorakhpur University, Gorakhpur, February 26-28, 1998.

38.

M.   Ahmed

 Z.    Z.H. Khan

Presented in the International Conference on “Spectroscopy: Perspectives and Frontiers”, January 3-5, 1996, Bhabha Atomic Research Centre, Mumbai, January 3-5, 1996.

39.

Z.H. Khan

Correlation Among Singlet, Doublet and Triplet States of Condensed-Ring Aromatics and the Prediction of Their Ionization Potentials.

Invited paper presented in the International Conference of Modern Spectroscopy, Aligarh Muslim University, Aligarh, December 27-31, 1994.

40.

Z.H. Khan

Some Interesting Features of Electronic Spectroscopy of Condensed-Ring Aromatic Ions.

Presented n the DAAD Follow-up Seminar, German Academic Exchange Service (DAAD), New Delhi, February 18-20, 1993.

41.

Z.H. Khan

"Correlation Between UV Photoelectron Spectroscopy of Condensed-Ring Aromatics and Electronic Spectroscopy of Their Radical Cations”.

Proceedings of the Saha Centenary International Symposium on “Spectroscopy & Astrophysics”, University of Allahabad, October  4-6, 1993, pp. 38-39.

42.

M.M. Husain

Z.H. Khan

Some Novel Relationships Among Electronic Singlet, Doublet and Triplet States of Alternant Aromatic Systems.

Proceedings of the Saha Centenary International Symposium on “Spectroscopy & Astrophysics”, University of Allahabad, October 4-6, 1993, pp.40-42.

43.

Z.H. Khan

Spectroscopy of Molecular Ions Using Lasers.

Presented in the International Conference on “Laser Applications in Spectroscopy and Optics”, Indian Institute of Technology, Madras, January 5-10, 1987.

44.

Z.H. Khan

Spectroscopy of Radical Cations of Polycyclic Aromatics and the Role of Lasers in Their Investigations.

Proceedings of the National Conference on “Laser and Its Applications”, Atomic Energy Organization of Iran, Tehran, September 12-16, 1987.

45.

Z.H. Khan

Optical Spectroscopy of Radical Cations of Coroneners.

Presented in the National Space Science Symposium, Gauhati University, Gauhati, February 19-22, 1986.

46.

Z.H. Khan

A Novel Correlation Between the Photoelectron Spectra of Alternant Aromatic Hydrocarbons and Electronic Spectra of Their Radical Cations.

Presented in the “Third Conference on Lasers, Atomic and Molecular Physics”, International Centre for Theoretical Physics, Trieste, Italy, March 1985.

47.

Z.H. Khan

Electronic Spectra of Ion Radicals.

Presented in the International Symposium in in “Quantum Chemistry and Solid State Physics”, Dalseter, Norway, August 1975.

48.

M.M. Husain

Z.H. Khan

Fabrication of a Nitrogen-Pumped Dye Laser.

Technical Report, Department of Physics, Jamia Millia Islamia, New Delhi, 1997.

49.

Z.H. Khan

Photoelectron Spectroscopy via Electronic Spectroscopy of Molecular Ions.

LAMP Series Report No. LAMP/90/6, International Centre for Theoretical Physics, Trieste Italy, October 1990.