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Dr. K. R. Justin Thomas
Associate Professor
Department of Chemistry, Indian Institute of Technology Roorkee
Roorkee 247 667, Uttaranchal, India.
E-mail: [email protected] (or) [email protected]
Phone: +91-1332-285376
Researcher ID: http://www.researcherid.com/rid/D-1309-2009
Web: http://faculty.iitr.ac.in/~krjt8fcy/
H-Index: 33
Short Bio-data
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M.Sc. (Chemistry, The American College, Madurai, India, 1990)
Ph.D. (Chemistry, Department of Chemistry, Indian Institute of Technology Kanpur, 1995)
Senior Project Officer Gr II (SAIF, Indian Institute of Technology Madras, 1995-1997)
Post-doctoral fellow (Institute of Chemistry, Academia Sinica, Taipei, 1997-2003 & 20042006)
 Post-doctoral fellow (Department of Chemistry, University of Massachusetts at Amherst, USA,
2003-2004)
 Assistant Professor (Mar 2006 – Oct 2012)
 Associate Professor (from Oct 2012)
Research Interests
 Organic Electronics - Organic dyes for photovoltaics, OLED and biological applications.
 Physical Organic Chemistry - Structure-property relationship in organic dyes.
 Photochemistry - Photophysical properties of heterocyclic donor-acceptor compounds.
Courses Taught
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Introduction to Photochemistry (UG level, 3 credits)
Supramolecular Chemistry of Nanomaterials (PG level, 4 credits)
Organic Structure and Reactivity (PG level, 3 credits)
Organic Semiconductors: Synthesis and Characterization (PG level, 4 credits)
Heterocyclic Chemistry (PG level, 3 credits)
Awards/Fellowships
 Awarded a grant-in-aid under the DST young scientists’ scheme for two years (1995-1997)
 Received post-doctoral fellowship from National Science Council, Taipei, Taiwan (19972003).
 Received National Merit Scholarship during M.Sc. (1988-1990).
Projects
 Completed: 06 (DST, CSIR, MHRD, BASF)
 In Progress: 01 (DST)
Publications
 Refereed journal publications: 124
 Conference proceedings: 3
 Patents: 3 (United States) + 2 (Taiwan)
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PhD’s supervised
Completed: 09
Ongoing: 08
Selected Publications
1. 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 and K.-C. Ho, ACS Appl. Mater. Interfaces, 2015, 7, 2249-2262. (DOI:
10.1021/am506149q) new
2. 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 and K.-C. Ho, RSC
Adv., 2015, 5, 17953-17966. (DOI: 10.1039/c4ra15234d) new
3. Deep-blue emitting pyrene-benzimidazole conjugates for solution processed organic lightemitting diodes, D. Karthik, K. R. J. Thomas, J.-H. Jou, S. Kumar, Y.-L. Chen and Y.-C. Jou,
RSC Adv., 2015, 5, 8727-8738. (DOI: 10.1039/c4ra11043a) new
4. 2-Hydroxyarylimidazole-based colorimetric and ratiometric fluoride ion sensors, D. Kumar
and K. R. J. Thomas, RSC Adv., 2014, 4, 56466-56474. (DOI: 10.1039/c4ra10482j) new
5. 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 and K.C. Ho, RSC Adv., 2014, 4, 53588-53601. (DOI: 10.1039/c4ra09300c)
6. 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. (DOI: 10.1039/c3ta15456d)
7. Selective naked-eye cyanide detection in aqueous media using a carbazole-derived fluorescent
dye, R. K. Konidena and K. R. J. Thomas, RSC Adv., 2014, 4, 22902-22910. (DOI:
10.1039/c4ra02636e)
8. 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. (DOI: 10.1021/jo500330r)
9. 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. DOI: 10.1021/am404948w)
10. 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. (DOI:
10.1016/j.tetlet.2014.02.002)
11. 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 and K.-C. Ho, Org. Electron., 2013, 14, 3267-3276.
12. Pyrenoimidazole-based deep blue emitting materials: Optical, electrochemical and
electroluminescent characteristics, D. Kumar, K. R. Justin Thomas, Ching-Chiao Lin, JwoHuei Jou, Chem. Asian J., 2013, 8, 2111-2124.
Patents
1. Organometallic Compounds,
J. T. Lin, I.-Y. Wu, and K. R. Justin Thomas,
United States Patent No. US6140503 (2000).
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2. 3,6,9-Trisubstituted Carbazoles for Light Emitting Diodes,
J. T. Lin, K. R. Justin Thomas, Y.-T. Tao and C.-W. Ko,
United States Patent No. 6,649,772 (2003).
3. 3,6,9-Trisubstituted Carbazoles,
J. T. Lin, K. R. Justin Thomas, Y.-T. Tao and C.-W. Ko,
Taiwan Patent No. I 297038 (2008).
4. Organic Dye Used in Dye-Sensitized Solar Cell, M. Velusamy, K. R. Justin Thomas, J. T. Lin,
K. C. Ho and Y. C. Hsu,
United States Patent No. 7,446,207B2 (2008).
5. Organic Dye Used in Dye-Sensitized Solar Cell, K. R. Justin Thomas, M. Velusamy, J. T. Lin,
K. C. Ho and Y. C. Hsu,
Taiwan Patent No. I304065 (2008).
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