Prof Jai Singh

BSc, MSc, PhD, FAIP, MAPS, MIEEE

Professor - Physics

Teaching

Teaching activities focus on materials engineering, renewable energy and mathematics for engineers.

Research interests

My general research interests lie in the area of physics, specifically:

  • Excitonic Processes in Condensed Matter, including nanostructures
  • Designing of thin-film Amorphous Silicon Solar Cells and organic solar cells for Optimal Photovoltaic Performance
  • Designing of Organic Light Emitting Devices, including WOLEDs
  • Designing of Inorganic Scintillators with Optimal Energy resolution for Nuclear
    Medical Imaging and Contraband Materials Detection

Selected publications

Books

  • J. Singh and R.T. Williams (Editors), Excitonic and Photonic Processes in Materials (Springer, Singapore, 2014), ISBN 978-981-287-130-5
  • J. Singh (Editor), Organic Light Emitting Devices (InTech, Rijeka, 2012), ISBN 978-953-51-0850-4
  • J. Singh (Editor), Optical Properties of Condensed Matter and Applications(John Wiley and Sons, Chichester, 2006), ISBN 0-470-02192-6
  • J. Singh and K. Shimakawa, Advances in Amorphous Semiconductors (Gordon and Breach /Taylor &  Francis, London, 2003), ISBN 0415 287707.
  • J. Singh, Excitation energy transfer processes in condensed matter: Theory and applications, (Plenum Press, New York- London, 1994), ISBN 0-306-44780-0. 

Book proceedings 

  • J. Singh(Editor) Proc. 9th International Conference on Excitonic and Photonic     Processes in Condensed and Nano Materials,11-15 July 2010, Brisbane, Australia published in Physica Status Solidi, vol B248 and C8 (Wiley-VCH, Berlin, 2011).
  • J. Singh, T. Aoki, K. Shimakawa and H. Ruda (Editors) Proc. Of the First International Conference on Optical and Optoelectronic Properties of Materials and Applications, ICOOPMA2006, 16-21 July 2006, Darwin, Australia published as a special volume of Journal of Materials Science – Materials for electronics, Vol 18 (Springer, Morwell, 2007).
  •  J. Singh (Editor) Proc. 5th International Conference on Excitonic Processes in Condensed Matter, EXCON'02, 22-26 July, 2002, Darwin, Australia published as a special volume of the Journal of Nonlinear Optics, vol. 29, nos. 4-12 (Taylor & Francis, 2002).
  •  S. Chandra, J. Singh, K. Presnell (editors) Proceedings of the 34th ANZSES Annual Conference, SOLAR'96, 22-25 Oct., 1996 (ANZSES NT Branch, Darwin, 1996).
  • J. Singh (Editor) Proceedings of the 1st International Conference on Excitonic Processes in Condensed Matter, EXCON'94, Darwin, 19-22 July, 1994 (SPIE, Washington, 1995); and Journal of Pure and Applied Chemistry, Vol. 63 (Blackwell, Oxford) 1995.
  • J. Singh and S. Chandra ( Editors) Proceedings of the ANZSES Annual Conference, "" SOLAR'92"",15-18 July, 1992 ( NT Govt., Darwin, 1992).

Book chapters

  • J. Singh and A. Koblov Influence of Excitonic  Processes in the Energy Resolution of Scintillators, Ch. 6 in Excitonic and Photonic Processes in Materials, J. Singh and R.T. Williams, Editors (Springer, Singapore, 2014)
  • J. Singh Excitonic Properties of Noncrystalline Semiconductors, Ch. 7 in Excitonic and Photonic Processes in Materials, J. Singh and R.T. Williams, Editors (Springer, Singapore, 2014)
  • M.R. Narayan and J. Singh Excitonic Processes in Organic Semiconductors and their Applications in Organic Photovoltaic and Light Emitting Devices, Ch. 8 in Excitonic and Photonic Processes in Materials, J. Singh and R.T. Williams, Editors (Springer, Singapore, 2014)
  • J.Singh Harvesting Emission in White Organic Light Emitting Devices, Ch. 1 in Organic Light Emitting Devices, J. Singh, Editor (InTech, Rijeka, 2012).
  • W.C. Tan, K. Koughia, J. Singh, and S. O. Kasap Fundamental Optical Properties of Materials I, Ch. 1 in Optical Properties of Condensed Matter and Applications, J. Singh, Editor (John-Wiley & Sons, Chichester, 2006)
  • K. Koughia, S. O. Kasap, J. Singh and H. Ruda Fundamental Optical Properties of Materials II, Ch.2 in Optical Properties of Condensed Matter and Applications, J. Singh, Editor (John-Wiley & Sons, Chichester, 2006).
  • K. Shimakawa, J. Singh and S. K. O'Leary Optical Properties of Disordered Condensed Matter, Ch. 3 in Optical Properties of Condensed Matter and Applications, J. Singh, Editor (John-Wiley & Sons, Chichester, 2006).
  • J. Singh and H. Ruda Concept of Excitons, Ch. 4 in Optical Properties of Condensed Matter and Applications, J. Singh, Editor (John-Wiley & Sons, Chichester, 2006).
  • J. Singh Photoluminescence and Photoinduced Changes in Noncrystalline Condensed Matter, Ch. 6 in Optical Properties of Condensed Matter and Applications, J. Singh, Editor (John-Wiley & Sons, Chichester, 2006).
  • J. Singh and I.-K. Oh Excitonic Processes in Quantum Wells , Ch. 15 in Optical Properties of Condensed Matter and Applications, J. Singh, Editor (John-Wiley & Sons, Chichester, 2006).
  • J. Singh, H. Ruda, K. Koughia, S. K. O'Leary and S. O. Kasap Ch. A.3:Optical properties: Fundamental and Characterization in Handbook of Electronic and Optoelectronic Materials, Eds. S.O. Kasap and P. Capper (Springer Verlag, 2006).
  • J. Singh Recent Advances in Photoluminescence of Amorphous Condensed Matter, in Trends in Materials Science Research, Editor B.M. Caruta (Nova Science Publishers, N. Y., 2005), ISBN 1-59454-367-4.

Journals articles (since 2006)

  • D. Ompong, M. Narayan and J. Singh, Optimization of photocurrent in bulk heterojunction organic solar cells using optical admittance analysis method J Mater Sci: Mater Electron 14 Feb. (2017): DOI 10.1007/s10854-017-6491-8
  • J. Singh, M. Narayan, D. Ompong and F.  Zhu, Dissociation of charge transfer excitons at the donor–acceptor interface in bulk heterojunction organic solar cells, J Mater Sci: Mater Electron 06 Feb. (2017): DOI 10.1007/s10854-017-6443-3
  • M. Narayan and J. Singh, Photovoltaic contribution of photo-generated excitons in acceptor material of organic solar cells, J Mater Sci: Mater Electron 14 Feb. (2017): DOI 10.1007/s10854-017-6362-3
  • D. Ompong and J. Singh, Study of intersystem crossing mechanism in organic materials, Phys. Status Solidi C 13, 89–92 (2016) / DOI 10.1002/pssc.201510128
  • J. Singh, M. Narayan and D. Ompong, Comparative contributions of singlet and triplet excitons in the performance of organic devices, Phys. Status Solidi C 13, No. 77–80 (2016) / DOI 10.1002/pssc.201510127
  • D. Ompong and J.Singh Diffusion Length and Langevin Recombination of Singlet and Triplet Excitons in Organic Heterojunction Solar Cells, ChemPhysChem 16, 1281 – 1285 (2015)
  • J. Singh, R.T. Williams, A. Koblov and D. Surovtseva Effect of time-dependent local excitonic concentration in the track on nonproportionality in light yield of inorganic scintillators, IEEE Transactions on Nuclear Science 61, 252- 256(2014)
  • M. R. Narayan and J. SinghStudy of the mechanism and rate of exciton dissociation at the donor-acceptor interface in bulk-heterojunction organic solar cells, J. Appl. Phys. 114, 073510 (2013); doi: 10.1063/1.4818813.
  • M.R. Narayan and J. Singh Effect of simultaneous excitation of both singlet and triplet excitons on the operation of organic solar cells, J. Appl. Phys. 114, 154515 (2013); doi: 10.1063/1.4826199
  • J. Singh and A. Koblov Excitonic processes and their contribution to nonproportionality observed in the light yield of inorganic scintillators, European Physics Journal B86:33 (2013) DOI: 10.1140/epjb/e2012-30693-9
  • M. R. Narayan and J. Singh Effect of exciton-spin-orbit-photon interaction in the performance of organic solar cells, European Physics Journal B86: 47 (2013) DOI: 10.1140/epjb/e2012-30614-0
  • William W. Moses, G. A. Bizarri, R.T. Williams, S.A. Payne, A. N. Vasile'v, J. Singh, Q. Li, J. Q. Grim, W. – S. Choong, The Origins of Scintillator Non-Proportionality, IEEE Transactions on Nuclear Science 59, 2038 -2044(2012).
  • J. Singh and A. Koblov Designing an optimally proportional inorganic scintillator, Nuclear Instruments and Methods in Physics Research A685, 25 -28(2012).
  • J. Singh and A. Koblov Role of nonlinear exciton quenching processes and carrier diffusion on the nonproportionality of light yield in scintillators IEEE Transactions on Nuclear Science 59, 2045 -2051(2012).
  • M. R. Narayan and J. Singh Roles of binding energy and diffusion length of singlet and triplet excitons in organic heterojunction solar cells, Physica Status Solidi C 9, 2386 -2389 (2012).
  • J. Singh Towards developing a tandem of organic solar cell and light emitting diode , Phys. Status Solidi (c) 8, 189–192 (2011) / DOI 10.1002/pssc.2010006322011.
  • J. Singh Capturing triplet emission in white organic light emitting devices, Phys. Status Solidi A 208, 1809–1812 (2011) / DOI 10.1002/pssa.201084110
  • J. Singh Study of nonproportionality in the light yield of inorganic scintillators, Journal of Applied Physics 110, 024503 (2011)
  • J. Singh Study of organic light emitting devices (OLEDs) with optimal emission efficiency, Physica Status Solidi (c) 7, 984-987(2010).
  • J. Singh Radiative lifetime of triplet excitation recombinations mediated by spin–photon interaction in semiconductors, Journal of Materials Science:Materials for Electronics 20, 81-86 (2009).
  • G. Bizarri, W.W. Moses, J. Singh*, A.N. Vasil'ev2, and R.T. Williams Simple model relating recombination rates and non-proportional light yield in scintillators, Physica Status Solidi (c) 6, 97-100.(2009).
  • J. Singh Radiative emission from triplet excitations in light emitting devices, Phys. Status Solidi (c) 6, 101-104 (2009).
  • G. Bizarri, W.W. Moses, J. Singh, A.N. Vasil'ev,*, and R.T. Williams The role of different linear and non-linear channels of relaxation in scintillator non- proportionality, Journal of Luminescence 129, 1790-1793 (2009).
  • G. Bizarri, N.J. Cherepy, W.S. Choong, Member, IEEE, G.Hull, W.W. Moses, Fellow, IEEE,, S.A. Payne, J. Singh, J.D. Valentine, Senior Member, IEEE,, A.N. Vasilev, and R.T. Williams, Progress in studying scintillator non-proportionality: Phenomenological model and experiments, IEEE Trans. Nucl. Sci. 56, 2313-2320 (2009).
  • G. Bizarria, W.W. Mosesa, J. Singhb , A.N. Vasil'evc, and R.T. Williamsd An analytical model of nonproportional scintillator light yield in terms of recombination rates, Journal of Applied Physics 105, 044507-1-15 (2009).
  • Jai Singh and S. Kugler Light emission from dark excitons in light emitting devices, Phys. Status Solidi A 206, 993–996 (2009)
  • Jai Singh Missing links for triplet radiative recombination in light emitting devices, J. Optoelectronics & Adv. Materials 11, 1122 – 1127 (2009).
  • J. Singh, H. Baessler and S. Kugler A direct approach to study radiative emission from triplet excitations in molecular semiconductors and conjugated polymers, Journal of Chemical Physics 129, 041103 (2008).
  • J. Singh and K. Tanaka Photo-structural changes in chalcogenide glasses during illumination, Journal of Material Science: Materials for Electronics 18, S423-428 (2007).
  • J. Singh Radiative recombination and lifetime of a triplet excitation mediated by spin-orbit coupling in amorphous semiconductors, Physical Review B76, 085205-1-11 (2007).
  • J. Singh Photoluminescence of geminate and non-geminate pairs in amorphous semiconductors Journal of Non-Crystalline Solids 352, 1160-1162 (2006).
  • J. Singh Radiative lifetime of geminate and non-geminate pairs in amorphous semiconductors : a- Ge:H, Phys. Status Solidi C 3, 3378 – 3381 (2006).
  • J. Singh and M.Georgiev Vibronic exciton matter sustained by negative-U, exciton pairing and dispersive interactions: A possible clue to ball lightning, Nonlinear Optics and Quantum Optics 35, 255-262 (2006)

Refereed Conference Papers (since 2006)

  • D. Ompong and J. Singh Rate of Intersystem crossing in organic molecules, presented at the 11th International Conference on Excitonic and Photonic Processes in Condensed Matter and Nano Materials, EXCON'15, 18-22 May 2015, Montreal, Canada
  • J. Singh, M.R. Narayan and D. Ompong Comparative Contributions of Singlet and Triplet Excitons in the Performance of Organic Devices, presented at the 11th International Conference on Excitonic and Photonic Processes in Condensed Matter and Nano Materials, EXCON'15, 18-22 May 2015, Montreal, Canada
  • J.Singh, Monishka Rita Narayanb , David Omponga Diffusion of excitons in materials for optoelectronic device applications (Invited), presented at 5th International Conference on Optoelectronic and Photonic Materials and Applications, 28 July – 2 August, 2014, Leeds, U.K.
  • J. Singh and A. Koblov Recipe for attaining optimal energy resolution in inorganic scintillators(Invited Paper), presented at the 5th International Conference on Optoelectronic and Photonic Materials and Applications, 3-7 June 2012, Nara, Japan and proceedings published in Physica Status Solidi C 9, 2226 -2230 (2012)
  • J. Singh Role of nonlinear excitation quenching processes and carrier diffusion on the nonproportionality of light yield in scintillators, presented at the 11th International Conference on Inorganic Scintillators and their Applications (SCINT 2011), 12-16 Sept. 2011
  • J. Singh Advances in white organic light emitting devices (invited), Presented at the 4th International Conference on Optical, Optotelectronic and Photonic Materials and Applications (ICOOPMA'10), 20-25 August 2010, Budapest, Hungary. Proceedings to be published in Phys Status Solidi 2011.
  • J Singh Role of excitons in the energy resolution of scintillators used for medical imaging (invited), Presented at the 16th International School of Condensed Matter Physics: Progress in Solid State and Molecular Electronics, Ionics and Photonics and published in J. Physics: Conf. Series 253, 012016 (1-6) (2010).
  • G. Bizarri, W.W. Moses, J. Singh, A. N. Vasil'ev and R.T. Williams Influence of different order radiative and quenching processes on the non- proportional light yield in scintillators, presented at the 3rd International Conference on Optical and Optoelectronic Properties of Materials and Applications, ICOOPMA2008, 20-25 July 2008, Edmonton, Canada.
  • J Singh, Development of solar cells and alternative energy, Independent Expert's report (16 pages) written for inclusion on the 2008 prospectus of Coral Resources Ltd., Macquarie Centre Post Shop, North Ryde, NSW 2113.
  • J. Singh Study of photoinduced changes due to illumination in amorphous chalcogenides (Invited Paper), presented at the 14th International School on Condensed Matter Physics, 17-22 September, 2006, Varna, Bulgaria. Published in Journal of Optoelectronics and Advanced Materials 9, 50-55 (2007).
  • J. Singh Radiative lifetime of excitons in chalcogenide glasses (Invited Paper), Presented at the 3rd International Conference on Amorphous and Nanostructured Chalcogenides, ANC- 3, 2-6 July 2007, Brasov, Romania. Published in J. Optoelectronics and Advanced Materials, 9, 3013-3020 (2007).
  • J. Singh Radiative lifetime and spontaneous emission in amorphous semiconductors (Invited Paper), presented at the 13th International School of Condensed Matter Physics, 13 ISCMP, 30 August – 3 September, 2004, Varna, Bulgaria, published in Optoelectronics and Advanced Materials 7, 129-136 (2005).
  • J. Singh Photoexcitation induced processes in amorphous semiconductors (Invited Paper) presented at the 4th International Conference on Photo-Excitation Processes and Applications, ICPEPA-4, 5-9 September 2004, Lecce, Italy, to be published in Applied Surface Science 248, 50-55 (2005).

Recent postgraduate completions

  • Pavel Stulik (1996-1998) Study of the optical properties of thin film amorphous silicon solar cells, 1999.
  • Lawrence Stubbs (2003-2006) Evaporative Cooling Systems, 2006.
  • Monishka Narayan (2011-2013), Design of Thin Film Organic Solar Cells for Optimum Photovoltaic Performance, 2014

Membership of professional organisations

Organising and Chairing of Conferences

  • Chair and Organizer of the First International Conference on Excitonic Processes in Condensed Matter (EXCON'94), July 1994, Darwin, Australia.
  • Chair and organizer of the 5th International Conference on Excitonic Processes in Condensed Matter (EXCON'02), July 2002, Darwin, Australia.
  • Chair and organizer of the First International Conference on Optical and Optoelectronic Properties of Materials and Applications (ICOOPMA'06), July 2006, Darwin, Australia.
  • Chair and Organizer of the 9th International Conference on Excitonic and Photonic Processes in Condensed and Nano Materials (EXCON'10), July 2010, Brisbane, Australia.
Prof Jai Singh

Contacts

T: +61 8 8946 6811
E: jai.singh@cdu.edu.au
F: +61 8 8946 6366

School of Engineering and Information Technology
Building Purple 12.2.7
Charles Darwin University
Darwin, Northern Territory
Australia, 0909