1. S. Gouthaman, A. Das, K. R. J. Thomas, Click Chemistry for Organic Electronic Applications, In Click Chemistry: Volume 2: Emerging Applications and Challenges, Edited by R. K. Gupta, 2024, Vol. 2, 210-243. CRC Press, Boca Raton, ISBN: 9781003403333 (DOI: 10.1201/9781003403333-11)

2. S. Gouthaman, K. R. J. Thomas, Carbazole-Based Organic Dyes for Solar Cells. In: Mohammad Reza Rahimpour (ed.) Encyclopedia of Renewable Energy, Sustainability, and the Environment, 2024, Vol. 2, pp. 629-684. US: Elsevier. ISBN: 978-0-323-93941-6 (DOI: 10.1016/B978-0-323-93940-9.00162-6)

3.  

   S. Gouthaman, K. R. J. Thomas, Metal Oxide Nanostructures as an Electron Transport Layer for Dye-Sensitized Solar Cells, in Optical Properties of Metal Oxide Nanostructures, Edited by Vijay Kumar, Irfan Ayoub, Vishal Sharma, H. C. Swart, 2023, 223-262, Published by Springer Nature, Singapore. ISBN: 978-981-99-5639-5. (DOI: 10.1007/978-981-99-5640-1_8)   

4. 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.
5. 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.
6. 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

Total Number of Publications: 211 (h-index: 52)

From IIT Roorkee : 146 (ACS: 30; RSC: 36; Wiley: 28; Elsevier: 42)

Selected Recent Publications

1.             Strategies for Enabling RGB Emission in Fused Carbazole Derivatives, R. Vignesh, E. Jeyasurya, K. R. J. Thomas, Chem. Asian J., 2025, 20, e202500254. (DOI: 10.1002/asia.202500254)

2.             Theoretical design and validation of [1,2,4]triazolo[1,5-a]pyridine-based TADF emitters through donor and linkage variations, C. Saini, K. R. J. Thomas, J. Mater. Chem. C, 2025, 13, 9611-9624. (DOI: 10.1039/D5TC00602C)

3.             Highly Conjugated Imine-Linked Donor–Acceptor Covalent Organic Framework for Efficient HCl Sensing and Photocatalytic Oxidation of Benzylamine, Mohit, M. Verma, K. R. J. Thomas, Langmuir, 2025, 41, 9800-9809. (DOI: acs.langmuir.5c00242)

4.             Comprehensive investigation of the ultrafast excited state dynamics and nonlinear optical properties of pyrene derivatives with different push–pull properties, S. Dhami, Y. Kumar, Y. Singh, A. K. Pradhan, P. K. Datta, K. R. J. Thomas, R. Pandey, Phys. Chem. Chem. Phys.¸ 2025, 27, 8910-8919. (DOI: 10.1039/D5CP00118H)

5.             A carbazole-based fully conjugated sp²c D–A covalent organic polymer for visible light mediated photocatalytic degradation of rhodamine B and Rose Bengal, K. Verma, K. R. J. Thomas, Mater. Adv., 2025, 6, 2521-2529. (DOI: 10.1039/D4MA01164C)

6.             Unveiling a carbazole-based photocatalyst for visible-light-driven synthesis of indolyl diarylmethanes and 2-benzimidazoles, S. Kumar, K. R. J. Thomas, Catal. Sci. Technol., 2025, 15, 2143-2147. (DOI: 10.1039/D5CY00043B)

7.             C3 Substituted Naphthalimide Derivatives as Promising TADF Emitters: Effect of Donor Strength Revealed by Computational Studies, C. Saini, K. R. J. Thomas, Adv. Theory Simul., 2025, 2401571. (10.1002/adts.202401571)

8.             Recent advances and importance of triphenyl acrylonitrile system as an aggregation-induced emitter, V. Rajendran, K. R. J. Thomas, Synth. Metals, 2025, 311, 117801. (DOI: 10.1016/j.synthmet.2024.117801)

9.             Theoretical elucidation of the effect of the linkage and orientation of carbazole and naphthalenediimide on the TADF and RTP propensities, C. Saini, S. Gouthaman, K. R. J. Thomas, Phys. Chem. Chem. Phys., 2025, 27, 1327-1338 (DOI: 10.1039/D4CP02636E)

10.        Exploring the Impact of Carbazole Position on Thermally Activated Delayed Fluorescence and Room-Temperature Phosphorescence Properties in Phthalimide–Carbazole Conjugates: A Density-Functional Theory Study, Panaha, C. Saini, K. R. J. Thomas, J. Phys. Chem. C, 2024, 128, 21009-21022 (DOI: 10.1021/acs.jpcc.4c03785)

11.        Carbazole and Triazine-Based D–A Covalent Organic Framework for Visible Light-Mediated Photocatalytic C–H Activation of Imidazopyridine and Indole, K. Verma, Mohit, K. R. J. Thomas, Langmuir 2024, 40, 24148–24161. (DOI: 10.1021/acs.langmuir.4c03647)

12.        Copper Incorporated Covalent Organic Framework as a Heterogeneous Catalyst for CuAAC Reaction, Mohit, K. R. J. Thomas, ChemCatChem, 2024, 16, e202401378. (DOI: 10.1002/cctc.202401378)

13.        Halogen Bond Assisted Light Responsiveness of para-Quinone Methides for 1,6-Conjugate Addition Reactions, S. Kumar, K. R. J. Thomas, ChemCatChem, 2024, 16 e202401087. (DOI: 10.1002/cctc.202401087)

14.        Hydrazone-Linked Donor-Acceptor Covalent Organic Polymer as a Heterogeneous Photocatalyst for C-S Bond Formation, Mohit, S. Kumar, K. R. J. Thomas, Chem. Eur. J., 2024, 30, e202402196. (DOI: 10.1002/chem.202402196)

15.        Lanthanum nanoparticle decorated carbon nanotubes: Facile method of synthesis and studies of their redox stability, cytotoxicity and corrosion inhibition on the magnesium alloy in 3.5 % NaCl environment, N. Palaniappan I. Cole, A. Kuznetsov, T. Oz, M. Kujawska, K. R. J. Thomas, Diamond and Related Materials, 2024, 148, 111403. (DOI: 10.1016/j.diamond.2024.111403)

16.        Pyrene Derivatives Containing Triphenylacrylonitrile as Aggregation Induced Emissive Mechanochromic Materials, K. R. J. Thomas, A. Maurya, ChemPhotoChem, 2024, 8, e202400119. (DOI: 10.1002/cptc.202400119)

17.        Visible Light Induced Halogen Bond Assisted Friedel‐Crafts Reaction of Indole and Chalcones, S. Kumar, A. Das, K. R. J. Thomas, Adv. Synth. Catal., 2024, 366, 2987-2995. (DOI: 10.1002/adsc.202400255)

18.        Generation and Application of Aryl Radicals Under Photoinduced Conditions, A. Das, K. R. J. Thomas, Chem. Eur. J., 2024, 30, e202400193. (DOI: 10.1002/chem.202400193)

19.        Photocatalysis as a green alternative toolkit for the construction of nitrogen-enriched heterocycles via the direct and indirect activation of alkynes/alkenes, A. Das, S. Gouthaman, K. R. J. Thomas, Green Chem., 2024, 26, 1223-1280. (DOI: 10.1039/D3GC03971D)

20.        Carbazole-Based Imine-Linked Covalent Organic Framework for Efficient Heterogeneous Photocatalysis, K. Verma, M. A. Addicoat, K. R. J. Thomas, ACS Appl. Polym. Mater., 2024, 6, 3909–3917. (DOI: 10.1021/acsapm.3c03207)

21.        Samarium functionalized few-layer nano graphene oxide redox behavior, cytotoxicity and corrosion inhibition on Mg AZ31 alloy in 3.5% NaCl environment, N. Palaniappan, I. S. Cole, A. E. Kuznetsov, K. R. J. Thomas, P. Ruszkowski, M. Kujawska, J. Mol. Struct., 2023, 1294, 36353. (DOI: 10.1016/j.molstruc.2023.136353)

22.        Donor-Acceptor Covalent Organic Frameworks as a Heterogeneous Photoredox Catalyst for Scissoring Alkenes to Carbonyl Constituents, A. Das, Mohit, K. R. J. Thomas, J. Org. Chem., 2023, 88, 14065-14077. (DOI: 10.1021/acs.joc.3c01594)

23.        Effect of donor/acceptor on the charge transfer and exciton harvest of pyrene-phenanthroimidazole dyads, K. R. J. Thomas, A. Maurya, M. R. Nagar, J.-H. Jou, Dyes Pigm., 2023, 210, 111373. (DOI: 10.1016/j.dyepig.2023.111373)

24.        Copper Nanoparticles Enhancing Organic Light-Emitting Diodes of All Colors, J.-T. Lin, C.-S. Huang, C. M. Hui, Y.-H. Liang, L. The, F.-H. Lu, Y. Chi, S.-F. Wang, K. R. J. Thomas, J.-H. Jou, ACS Appl. Nano Mater., 2023, 6, 10487-10493. (DOI: 10.1021/acsanm.3c01454)

25.        Tuning Selectivity in the Visible-Light-Promoted Coupling of Thiols with Alkenes by EDA vs TOCO Complex Formation, A. Das, K. R. J. Thomas, ACS Omega, 2023, 8, 18275-18289. (DOI: 10.1021/acsomega.3c02070)

26.        Deconstruction of electron-deficient alkenes to carbonyl constituents by light-induced hydrogen atom transfer, A. Das, K. R. J. Thomas, Green Chem., 2023, 25, 1078-1084. (DOI: 10.1039/D2GC04424B)

27.        Tuning hybridized local and charge transfer emission in pyrene derivatives by incorporating phenanthroimidazole to realize high exciton harvest in blue organic light-emitting diodes, K. R. J. Thomas, A. Maurya, M. R. Nagar, J.-H. Jou, Dyes Pigm., 2023, 210, 111008. (DOI: 10.1016/j.dyepig.2022.111008)

28.        Experimental and DFT studies of selenium decorated graphene oxide: Redox stability, cytotoxicity, and corrosion inhibition of AZ13 Mg alloy, N. Palaniappan, I. S. Cole, A. Kuznetsov, K. R. Justin Thomas, P. Ruszkowski, M. Kujawska, Mater. Chem. Phys. 2022, 292, 126870 (DOI: 10.1016/j.matchemphys.2022.126870)

29.        Effect of cyano substituent on the functional properties of blue emitting imidazo [1, 2-a] pyridine derivatives, Anupriya, K. R. J. Thomas, M. R. Nagar, J.-H. Jou, Dyes Pigm., 2022, 206, 110658. (DOI: 10.1016/j.dyepig.2022.110658)

30.        Recent Advances in the Design of Multi-Substituted Carbazoles for Optoelectronics: Synthesis and Structure-Property Outlook, R. K. Konidena, K. R. J. Thomas, J. W. Park, ChemPhotoChem, 2022, 6, e202200059 (DOI: 10.1002/cptc.202200059)

31.        Rose bengal photocatalyzed Knoevenagel condensation of aldehydes and ketones in aqueous medium, A. Das, K. R. Justin Thomas, Green Chem., 2022, 24, 4952-4957. (DOI: 10.1039/D2GC01402E)

32.        Experimental and theoretical investigations on chalcones containing pyrene, A. Karupusamy, A. Sharma, K. R. J. Thomas, P. Kannan, J. Mol. Struc., 2022, 1268, 133532. (DOI: 10.1016/j.molstruc.2022.133532)

33.        Synthesis and optical properties of the isomeric phenanthroimidazole Imidazo[1,2-a]pyridine conjugates: Effects of donor and their linking topology, Anupriya, K. R. J. Thomas, M. R. Nagar, J.-H. Jou, Opt. Mater., 2022, 124, 112017. (DOI: 10.1016/j.optmat.2022.112017)

34.        Phenanthroimidazole substituted imidazo[1,2-a]pyridine derivatives for deep-blue electroluminescence with CIEy ∼ 0.08, Anupriya, K. R. J. Thomas, M. R. Nagar, Shahnawaz, J.-H. Jou, J. Photochem. PhotoBiol. A: Chem., 2022, 423, 113600. (DOI: 10.1016/j.jphotochem.2021.113600)

35.        Imidazo[1,2-a]pyridine based deep-blue emitter: effect of donor on the optoelectronic properties, Anupriya, K. R. J. Thomas, M. R. Nagar, Shahnawaz, J.-H. Jou, J. Mater. Sci.: Mater. Electron., 2021, 32, 26838-26850. (DOI: 10.1007/s10854-021-07060-5)

36.        Effect of Cyano on the Functional Properties of Phenanthroimidazole-Substituted Carbazole Derivatives, A. Sharma, K. R. J. Thomas, K. K. Kesavan, I. Siddiqui, M. R. Nagar, J.-H. Jou, ACS Appl. Electron. Mater., 2021, 3, 3876-3888. (DOI: 10.1021/acsaelm.1c00482)

37.        Phenanthroimidazole-based bipolar carbazoles featuring cyano substituents to realize efficient deep-blue electroluminescence with an external quantum efficiency of nearly 6%, A. Sharma, K. R. J. Thomas, M. R. Nagar, J.-H. Jou, Mater. Adv., 2021, 2, 6326-6338. (DOI: 10.1039/D1MA00604E)

38.        Effect of positional isomerism on the functional properties of carbazole-phenanthroimidazole-triphenylamine triads, A. Sharma, K. R. J. Thomas, K. K. Kesavan, I. Siddiqui, M. R. Nagar, J.-H. Jou, Dyes Pigm., 2021, 196, 109744. (DOI: 10.1016/j.dyepig.2021.109744)

39.        Experimental and DFT studies of gadolinium decorated graphene oxide materials for their redox properties and as a corrosion inhibition barrier layer on Mg AZ13 alloy in a 3.5% NaCl environment, N. Palaniappan, I. S. Cole, K. Damodaran, A. E. Kuznetsov, K. R. J. Thomas, K. Balasubramanian, S. Manickam, RSC Adv., 2021, 11, 22095-22105 (DOI: 10.1039/d1ra03495b)

40.        Dithienopyrrole-based dianchoring dyes: Effect of molecular design and donors on the optical and photovoltaic properties, S. Kumar, K. R. J. Thomas, M. S. Fan, K. C. Ho, J. Lumin., 2021, 230, 117727 (DOI: 10.1016/j.jlumin.2020.117727)

41.        Tuning photophysical and electroluminescent properties of phenanthroimidazole decorated carbazoles with donor and acceptor units: beneficial role of cyano substitution, A. Sharma, R. Balasaravanan, K. R. J. Thomas, M. Ram, D. K. Dubey, R. A. K. Yadav, J.-H. Jou, Dyes Pigm., 2021, 184, 108830 (DOI: 10.1016/j.dyepig.2020.108830).

42.        Facile Thiol-Ene Click Protocol Using Benzil as Sensitizer and White LED as Light Source, A. Das, K. R. J. Thomas, Eur. J. Org. Chem., 2020, 7214-7218 (DOI: 10.1002/ejoc.202001275)

43.        Light promoted synthesis of quinoxalines and imidazo[1,2-a]pyridines via oxybromination from alkynes and alkenes,  A. Das, K. R. J. Thomas, Asian J. Org. Chem., 2020, 9, 1820-1825 (DOI: 10.1002/ajoc.202000388)

44.        Fine-tuning the physicochemical and electroluminescence properties of multiply substituted bipolar carbazoles by functional group juggling, R. K. Konidena, K. R. J. Thomas, D. K. Dubey, S. Sahoo, J.-H. Jou, ChemPhotoChem, 2020, 4, 5364-5375 (DOI: 10.1002/cptc.202000172)

45.        Effect of auxiliary donors and position of benzothiadiazole on the optical and photovoltaic properties of dithieno[3,2-b:2′,3′-d]pyrrole-based sensitizers, S. Kumar, K. R. J. Thomas, C.-T. Li, M.-S. Fan, K.-C. Ho,  Solar Energy, 2020, 208, 539-547 (DOI: 10.1016/j.solener.2020.08.001)

46.        Synthesis and characterization of multi-substituted carbazole derivatives exhibiting aggregation-induced emission for OLED applications, A. Sharma, D. Saklani, K. R. J. Thomas, Shahnawaz, S. S. Swayamprabha, J.-H. Jou, Org. Electron., 2020, 86, 105864 (DOI: 10.1016/j.orgel.2020.105864)

47.        Asymmetrically 2,7-difunctionalized carbazole-based donor-acceptor hybrids for deep blue electroluminescence applications, V. Joseph, K. R. J. Thomas, S. Sahoo, M. Singh, J.-H. Jou, Opt. Mater., 2020, 108, 110159, (DOI: 10.1016/j.optmat.2020.110159)

48.        Experimental and DFT studies of porous carbon covalently functionalized by polyaniline as a corrosion inhibition barrier on nickel-based alloys in acidic media, N. Palaniappan, I. S. Cole, K. Damodaran, A. E. Kuznetsov,  K. R. J. Thomas, K. Balasubramanian, RSC Adv., 2020, 10, 12151-12165 (DOI: 10.1039/d0ra00593b)

49.        Experimental and DFT studies on the ultrasonic energy-assisted extraction of the phytochemicals of Catharanthus roseus as green corrosion inhibitors for mild steel in NaCl medium, N. Palaniappan, I. S. Cole, F. Caballero-Briones, S. Manickam, K. R. J. Thomas, D. Santos, RSC Adv., 2020, 10, 5399-5411 (DOI: 10.1039/c9ra08971c)