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Justin Thomas K. R.
Dr. K. R. Justin Thomas Associate Professor krjt8fcy[at]iitr.ac.in +91-1332-285376 Website
Areas of Interest
  • Organic Electronics, Organic dyes for dye-sensitized solar cells. organic light-emitting diodes and logic gates
  • Physical Organic Chemistry, Structure-property relationship in organic dyes; DFT computations
  • Photochemistry, Photophysical properties of dipolar compounds and heterocyclic derivatives
  • Organic Heterocyclic Synthesis, Design and synthesis of electron-rich heterocyclic compounds
Professional Background
FromToDesignationOrganisation
19951997Senior Project Officer Gr IIRSIC, IIT Madras, Chennai
19972003NSC Post-doctoral FellowInstitute of Chemistry, Academia Sinica, Taipei, Taiwan
20032004Research AssociateDepartment of Chemistry, University of Massachussetts at Amherst, USA
20042006Senior Post-doctoral FellowInstitute of Chemistry, Academia Sinica, Taipei, Taiwan
20062012Assistant ProfessorDepartment of Chemistry, Indian Institute of Technology Roorkee, Roorkee, India
2012On GoingAssociate ProfessorDepartment of Chemistry, Indian Institute of Technology Roorkee, Roorkee, India
Honors and Awards
AwardInstituteYear
Young Scientist Scheme implemented at Indian Institute of Technology Madras, ChennaiDepartment of Science and Technology, New Delhi1995
Educational Details
DegreeSubjectUniversityYear
B.Sc.Chemistry, Physics, MathematicsMadurai Kamaraj University, Madurai1988
M.Sc.ChemistryMadurai Kamaraj University (The American College), Madurai.1990
Ph.D.ChemistryIndian Institute of Technology Kanpur, India1995
Sponsored Research Projects
TopicFunding AgencyYear
Organic Materials Containing Heterocyclic Building BlocksCSIR, New Delhi2015
New Materials and Methods for the Efficient Photovoltaic Devices (Phase II)DST2015
New Materials and Methods for the Efficient Photovoltaic DevicesDST2011
Pyrenoimidazole-Based Dipolar Compounds for PhotovoltaicsCSIR2011
Organic Dyes for Dye-Sensitized Solar CellsBASF, Germany2009
Synthesis and Spectroelectrochemical ... Organic Dyes Suitable for Dye-Sensitized Solar CellsIndian Institute of Technology Roorkee2008
New Carbazole Derivatives for Electro-OpticsCSIR2007
Synthesis and Characterization of Polyaromatic ... Functional MaterialsDST2007
Organic Dyes for Dye-Sensitized Solar CellsIndian Institute of Technology Roorkee2006
Participation in seminars
NamePlaceSponsored ByDate
International conference on "Functional Materials: Controlled Synthesis, Discrete Molecular ProcesseDepartment of Chemistry, Indian Institute of Technology Madras, Chennai, India-2008-09-27
Symposium on "Modern Trends in Inorganic Chemistry", MTIC-XIIIDepartment of Inorganic and Physical Chemistry, IISc, Bangalore, India-07-10-2009
National Symposium on "Functional Applications of Colorants" (NSFAC-2011)Department of Dyestuff Technology, Institute of Chemical Technology, Matunga, Mumbai, India-14-10-2011
Solar Asia 2011 International Conference on "Solar Energy Materials, Solar Cells and Solar Energy ApInstitute of Fundamental Studies, Kandy, Sri Lanka-2011-07-28
1st International Conference on "TAP SUN: The Sustainable Future"CSIR-Indian Institute of Chemical Technology, Tarnaka, Hyderabad, India-25-11-2011
International Conference on Advanced Materials (ICAM-2011)Department of Physics, PSG College of Technology, Coimbatore, India-14-12-2011
30th Annual Conference of Indian Council of ChemistsDepartment of Chemistry, Osmania University, Hyderabad, India-28-12-2011
Mid-Year Meeting of the Chemical Research Society of IndiaCSIR-CDRI, Lucknow-21-07-2012
7th Aseanian Conference on Dye-sensitized and Organic Solar Cells (DSC-OPV7)National Taiwan University, Taipei, Taiwan-26-10-2012
Memberships
  • American Chemical Society, Member
  • Chemical Research Society of India, Member
Teaching Engagements
TitleCourse CodeClass NameSemester
Organic ChemistryCY-541MScAutumn
Organic Semiconductors: Synthesis and ApplicationsCY-911MScAutumn
Organic ChemistryCY-635MScAutumn
Projects and Thesis Supervised
Title of ProjectNames of Students
Synthesis and Characterization of Luminescent MaterialsMs. Payal Tyagi
Synthesis and Characterization of 3H-Naphtho[2,1-d]imidazole Derivatives Ms. Shampa Rani Samanta
Synthesis and Characterization of Benzo[a]phenazine DerivativesMs. Namita Kumari
PHDs Supervised
TopicScholar NameStatus of PHDRegistration Year
SYNTHESIS AND CHARACTERIZATION OF MATERIALS BASED ON INDOLOQUINOXALINEPayal TyagiA2007
DIPOLAR COMPOUNDS FOR ELECTRO-OPTICAL APPLICATIONSPrachi SinghA2007
STUDIES ON COPPER AND ZINC COMPLEXES OF POLYDENTATE LIGANDSPramod KumarA2006
SYNTHESIS AND CHARACTERIZATION OF POLYAROMATIC HYDROCARBON-BASED FUNCTIONAL MATERIALSNeha KapoorA2008
IMIDAZOLE-BASED ORGANIC DYES FOR ELECTRO-OPTICAL APPLICATIONSDhirendra KumarA2008
ISOMERIC CARBAZOLE DERIVATIVES FOR ELECTRO-OPTICAL APPLICATIONSSushil KumarA2008
BENZOTHIADIAZOLE DERIVATIVES FOR PHOTOVOLTAIC DEVICESB. M. N. K. PrasadA2009
FLUORENE BASED ORGANIC DYES FOR DYE SENSITIZED SOLAR CELLSAbhishek BahetiA2010
CARBAZOLE-BASED ORGANIC DYES FOR DYE-SENSITIZED SOLAR CELLSA. VenkateswararaoA2010
PHENOTHIAZINE-BASED FUNCTIONAL MATERIALS FOR ELECTRONIC APPLICATIONSGovardhana Babu BodedlaA2011
Multi-Substituted Carbazole-Based Functional Materials for Optoelectronic ApplicationsRajendra Kumar KonidenaO2012
MULTI-CHROMOPHORIC MATERIALS FOR ELECTRONIC APPLICATIONSDurai KarthikO2011
Dithienopyrrole-Based Organic Materials for PhotovoltaicsSunil KumarO2013
Naphthalimide-based Organic Materials for PhotovoltaicsAnkita SainiO2013
CYANOCARBAZOLE BASED ORGANIC MATERIALS FOR ELECTRONIC APPLICATIONSJoseph VO2013
Benzothiadiazole-based organic materials for electronic applicationsAmbika PathakO2014
Organic materials containing new heteroaromatic building blocksTina TomerO2014
Fused Heteroaromatic Chromophores for Electronic ApplicationsAnupriyaO2015
Yet to be assignedAbhishek MauryaO2016
Yet to be assignedAnuj SharmaO2016
Visits to outside institutions
Institute VisitedPurpose of VisitDate
Institute of Chemistry, Academia Sinica, Taipei, TaiwanAdvanced Research on Light-Emitting Functional MaterialsMay 15, 20
Courses or Conferences Organised
Conference NameSponsored ByDate
Short term course on "Recent Advances in Nanomedicine (From bench to bedside)"AICTE04-06-2012
International Workshop on Chemical Evolution and Origin of LifeCSIR ISRO NAI ICTP IITR05-03-2010
Special Lectures Delivered
TitlePlaceDate
PhotochemistryEMMRC, IIT Roorkee27-08-2007
Books Authored
  1. Magnetic Graphene Nanocomposites for Multi-Functional Applications
    B. Garg, T. Bisht, and K. R. J. Thomas, in Complex Magnetic Nanostructures. Synthesis, Assembly and Applications, Edited by S. K. Sharma.
    Published by Springer. Year: 2017.
  2. Carbazole-based organic dyes for dye-sensitized solar cells: Role of carbazole as donor, auxiliary donor and π-linker
    A. Venkateswararao and K. R. J. Thomas, in Solar Cell Nanotechnology, Edited by A. Tiwari, R. Boukherroub and M. Sharon.
    Published by Wiley-Scrivener Publishing, Page No: 41-96, Year: 2013.
  3. Structure and Bonding: Recent Aspects in the Structure and Reactivity of Cyclophosphazenes
    V. Chandrasekhar and K. R. Justin Thomas in Structure and Bonding
    Published by: Springer Verlag Page No: 41-113 (Vol 81) Year: 1993
Refereed Journal Papers

Total Number of Publications: 138

From IIT Roorkee : 73 (ACS: 13; RSC: 17; Wiley: 8)

Selected Recent Publications

  1. Multi-substituted deep-blue emitting carbazoles: a comparative study on photophysical and electroluminescence characteristics, Rajendra Kumar Konidena, K. R. J. Thomas, S. Sahoo, D. K. Dubey, J.-H. Jou, J. Mater. Chem. C, 2017, 5, 709-726. (DOI: 10.1039/C6TC04870F)
  2. Bi-anchoring organic dyes that contain benzimidazole branches for dye-sensitized solar cells: effects of pi-spacer and peripheral donor groups, G. B. Bodedla, K. R. J. Thomas, M.-S. Fan and K.-C. Ho, Chem. Asian J., 2016, 11, 2564-2577. (DOI: 10.1002/asia.201600766)
  3. Bis-naphthalimides bridged by electron acceptors: optical and self-assembly characteristics, A. Saini and K. R. J. Thomas, RSC Adv., 2016, 6, 71638-71651. (DOI: 10.1039/C6RA12776B)
  4. Synthesis, characterization and electroluminescence of carbazole-benzimidazole hybrids with thiophene/phenyl linker, D. Karthik, K.R. J. Thomas, J.-H. Jou, Y.-L. Chen, Dyes Pigm., 2016, 133, 132-142. (DOI: 10.1016/j.dyepig.2016.05.046)
  5. Thienylphenothiazine Integrated Pyrenes: An Account on the Influence of Substitution Pattern on Optical and Electroluminescent Properties, R. K. Konidena, K. R. J. Thomas, M. Singh and J.-H. Jou, J. Mater. Chem. C, 2016, 4, 4246-4258. (DOI: 10.1039/C6TC00354K)
  6. Synthesis and characterization of thieno[3,4-d]imidazole-based organic sensitizers for photoelectrochemical cells, D. Karthik, V. Kumar, K. R. J. Thomas, C.-T. Li and K.-C. Ho, Dyes Pigm., 2016, 129, 60-70. (DOI: 10.1016/j.dyepig.2016.02.009)
  7. Benzimidazole-Branched Isomeric Dyes: Effect of Molecular Constitution on Photophysical, Electrochemical and Photovoltaic Properties, G. B. Bodedla, K. R. J. Thomas, M.-S. Fan, K.-C. Ho, J. Org. Chem., 2016, 81, 640-653. (DOI: 10.1021/acs.joc.5b02590)
  8. Phenothiazine-based bipolar green-emitters containing benzimidazole units: synthesis, photophysical and electroluminescence properties, G. B. Bodedla, K. R. J. Thomas, S. Kumar, J.-H. Jou and C.-J. Li, RSC Adv., 2015, 5, 87416-87428. (DOI: 10.1039/c5ra18372c)
  9. Organic dyes containing fluoreneamine donor and carbazole π-linker for dye-sensitized solar cells, K. R. J. Thomas, A. Venkateswararao, C.-P.Lee and K.-C. Ho, Dyes Pigm., 2015, 126, 154-165. (DOI: 10.1016/j.dyepig.2015.07.034)
  10. Synthesis and photovoltaic properties of organic dyes containing N-fluoren-2-yl dithieno[3,2-b:2′,3′-d]pyrrole and different donors, S. Kumar, K. R. J. Thomas, C.-T. Li, K.-C. Ho, Org. Electron., 2015, 26, 109-116. (DOI: 10.1016/j.orgel.2015.07.019)
  11. Phenothiazine Decorated Carbazoles: Effect of Substitution Pattern on the Optical and Electroluminescent Characteristics, R. K. Konidena, K. R. J. Thomas, S. Kumar, Y.-C. Wang, C.-J. Li, J.-H. Jou, J. Org. Chem., 2015, 80, 5812-5823. (DOI: 10.1021/acs.joc.5b00787)
  12. Highly efficient ultra-deep blue organic light-emitting diodes with a wet- and dry-process feasible cyanofluorene acetylene based emitter, J.-H. Jou, S. Kumar, P.-H. Fang, A. Venkateswararao, K. R. J. thomas, J.-J. Shyue, Y.-C. Wang, T.-H. Li and H.-H. Yu, J. Mater. Chem. C, 2015, 3, 2182-2194. (DOI: 10.1039/C4TC02547D)
  13. Fluorene-Based Sensitizers with a Phenothiazine Donor: Effect of Mode of Donor Tethering on the Performance of Dye-Sensitized Solar Cells, A. Baheti, K. R. J. Thomas, C.-T. Li, C.-P. Lee, K.-C. Ho, ACS Appl. Mater. Interfaces, 2015, 7, 2249-2262. (DOI: 10.1021/am506149q)
  14. Triarylamine-Free Pyrenoimidazole-Containing Organic Dyes with Different pi-Linkers for Dye-Sensitized Solar Cells, D. Kumar, K. R. J. Thomas, C.-P. Lee, K.-C. Ho, Asian J. Org. Chem., 2015, 4, 164-172. (DOI: 10.1002/ajoc.201402214)
  15. Synthesis, optical, electrochemical and photovoltaic properties of organic dyes containing trifluorenylamine donors, A. Baheti, S. R. Gajjela, P. Balaya, K. R. J. Thomas, Dyes Pigm., 2015, 113, 78-86. (DOI: 10.1016/j.dyepig.2014.07.036)
  16. Functional tuning of organic dyes containing 2,7-carbazole and other electron-rich segments in the conjugation pathway, A. Venkateswararao, K. R. J. Thomas, C.-T. Li, K.-C. Ho, RSC Adv., 2015, 5, 17953-17966. (DOI: 10.1039/c4ra15234d)
  17. Deep-blue emitting pyrene-benzimidazole conjugates for solution processed organic light-emitting diodes, D. Karthik, K. R. J. Thomas, J.-H. Jou, S. Kumar, Y.-L. Chen, Y.-C. Jou, RSC Adv., 2015, 5, 8727-8738. (DOI: 10.1039/c4ra11043a)
  18. Effect of Auxiliary Chromophores on the Optical, Electrochemical, and Photovoltaic Properties of Carbazole-Based Dyes, A. Venkateswararao, K. R. J. Thomas, C.-P. Lee, K.-C. Ho, Asian J. Org. Chem., 2015, 4, 69-80. (DOI: 10.1002/ajoc.201402235)
  19. Organic dyes containing indolo[2,3-b]quinoxaline as a donor: synthesis, optical and photovoltaic properties, A. Venkateswararao, P. Tyagi, K. R. J. Thomas, P.-W. Chen, K.-C. Ho, Tetrahedron, 2014, 70, 6318-6327. (DOI: 10.1016/j.tet.2014.04.009).
  20. Monoanchoring (D-D-π-A) and Dianchoring (D-D-(π-A)(2)) Organic Dyes Featuring Triarylamine Donors Composed of Fluorene and Carbazole, A. Baheti, K. R. J. Thomas, L.-C. Lin, K. M. Lee, Asian J. Org. Chem., 2014, 3, 886-898. (DOI: 10.1002/ajoc.201402073)
  21. 2-Hydroxyarylimidazole-based colorimetric and ratiometric fluoride ion sensors, D. Kumar, K. R. J. Thomas, RSC Adv., 2014, 4, 56466-56474. (DOI: 10.1039/c4ra10482j)
  22. Functional tuning of phenothiazine-based dyes by a benzimidazole auxiliary chromophore: an account of optical and photovoltaic studies, G. B. Bodedla, K. R. J. Thomas, C.-T. Li, K.-C. Ho, RSC Adv., 2014, 4, 53588-53601. (DOI: 10.1039/c4ra09300c)
  23. Materials, Designs, Fabrications, and Applications of Organic Electronic Devices (Editorial), J.-W. Jou, R. Lygaitis, K. R. J. Thomas, L.-S. Liao, Int. J. Photoenergy, 2014, 512717. (DOI: 10.1155/2014/512717)
  24. Organic dyes containing fluoren-9-ylidene chromophores for efficient dye-sensitized solar cells, A. Baheti, K. R. J. Thomas, C.-P.Lee, C.-T. Li, and K.-C. Ho, J. Mater. Chem. A, 2014, 2, 5766-5779.
  25. Organic Dyes Containing Fluorene Decorated with Imidazole Units for Dye-Sensitized Solar Cells, D. Kumar, K. R. J. Thomas, C.-P.Lee and K.-C. Ho, J. Org. Chem., 2014, 79, 3159–3172.
  26. Selective naked-eye cyanide detection in aqueous media using a carbazole-derived fluorescent dye, R. K. Konidena, K. R. J. Thomas, RSC Adv., 2014, 4, 22902-22910. (DOI: 10.1039/c4ra02636e)
  27. Organic Dyes Containing Carbazole as Donor and π-Linker: Optical, Electrochemical, and Photovoltaic Properties, A. Venkateswararao, K. R. J. Thomas, C.-P.Lee, C.-T. Li, and K.-C. Ho, ACS Appl. Mater. Interfaces, 2014, 6, 2528-2539.
  28. Synthesis and characterization of polybrominated fluorenes and their conversion to polyphenylated fluorenes and cyclopenta[def]triphenylene, S. Kumar, D. Karthik, K.R.J. Thomas and M. S. Hundal, Tetrahedron Lett., 2014, 55, 1931-1935.
  29. Insights into the Co-sensitizer Adsorption Kinetics for Complementary Organic Dye-sensitized Solar Cells, L.-Y. Lin, M.-H. Yeh, C.-P. Lee, J. Chang, A. Baheti, R. Vittal, K.R.J. Thomas, and K.-C. Ho, J. Power Sources, 2014, 247, 906-914.
  30. Synthesis and characterization of dianchoring organic dyes containing 2,7-diaminofluorene donors as efficient sensitizers for dye-sensitized solar cells, A. Baheti, K. R. J. Thomas, C.-P. Lee, K.-C. Ho, Org. Electron., 2013, 14, 3267-3276.
  31. Pyrenoimidazole-based deep blue emitting materials: Optical, electrochemical and electroluminescent characteristics, Dhirendra Kumar, K. R. Justin Thomas, Ching-Chiao Lin, Jwo-Huei Jou, Chem. Asian J., 2013, 8, 2111-2124.
  32. Synthesis and characterization of organic dyes containing 2,7-disubstituted carbazole π-linker, A. Venkateswararo, K. R. J. Thomas Chuan-Pei Lee and Kuo-Chuan Ho, Tetrahedron Lett., 2013, 54, 3985-3989.