Courses

Rajendra Kumar Konidena

 
Dr. Rajendra Kumar Konidena
Assistant Professor
Ph.D
IIT Roorkee
Ph: +91-6115-233 994 (Office)
rajsan[*AT]iitp.ac.in
Google Scholar link: https://rkonidena531.wixsite.com/organic-materials--1
Research Areas :
  • Design and Synthesis of Innovative Organic Heterocyclic Building Blocks
  • Narrowband Emissive Chromophores
  • Delayed Fluorescence Emitters
  • Structure-Function Investigations of Organic Materials
  • Organic Light Emitting Diodes
Other Interests : Listening music and Playing Cricket
Professional Experience :
  • Assistant Professor-SRM university, Chennai, May 2023-May 2024
  • JSPS Postdoctoral Fellow, Kyushu university, Japan, April 2022-March 2023
  • Postdoctoral fellow, Kyunghee university, Korea, Aug 2021-March 2022
  • Postdoctoral fellow, TU Dresden, Germany, Jan 2021-June 2021
  • Postdoctoral fellow, Sungkyunkwan university, Korea, Jan 2018-Oct 2020
Awards & Honours :
  1. Awarded ERA postdoctoral fellowship by European union – 2024
  2. Awarded CPMA fellowship by Lithuania govt - 2024
  3. Awarded seal of excellence for Marie-Cuire postdoc fellowship proposal - 2024
  4. Awarded Ramanujan Faculty Fellowship by SERB-India, 2024
  5. Awarded JSPS standard postdoc fellowship by JSPS-Japan- 2022
  6. Awarded National Postdoctoral Fellowship (NPDF) by SERB-DST, India - 2020
  7. Awarded postdoctoral research fellowship by National Research Foundation (NRF) of South Korea – 2018
  8. Awarded research fellowship (JRF/SRF by CSIR, India - 2012
  9. Qualified ‘CSIR-NET (JRF)’ in chemical sciences with 30th national rank
  10. Qualified ‘Graduate Aptitude Test in Chemical sciences (GATE)’ with 388th national rank
  11. Received 2nd best poster award in poster presentation conducted by VIT University on the 25th National Science Day
  12. Qualified ‘CSIR-National Eligibility Test (Lectureship)’ in chemical sciences with 23rd national rank
Publications :
  1. Keerthika P and Rajendra Kumar Konidena*, Recent Advances in the Molecular Designs of Near Ultraviolet Emitters for Efficient Organic Light Emitting Diodes. J. Photo. Chem. Photo. Bio. Reviews, C (Submitted), (Corresponding author). (I. F. = 13.6)
  2. S. Kothavele, Rajendra Kumar Konidena, J. Y. Lee,* Strategic Molecular Design for Constructing Efficient Solution and Vacuum Processable Deep-Red Thermally Activated Delayed Fluorescence Emitters Featuring Remarkable Color Saturation. Chem. Engi. J. (Revision submitted), (Equal contribution). (I. F. = 15.1)
  3. S. Kothavele, J. Lim, Rajendra Kumar Konidena, J. Y. Lee,*” Rational Molecular Design via Cyanobenzene Integration for Constructing Efficient Yellow‐Orange Thermally Activated Delayed Fluorescence Emitters. Adv. Opt. Mater. 2024, 2303299. DOI: 10.1002/adom.202303299 (Equal contribution) (I. F. = 9.0)
  4. M. Rajani, Karthik E, M. Arthanareeswari, S. Vadivel,* T. Sadhukan,* Rajendra Kumar Konidena,* Anathraj S* Chem. Commun. 2024, 60, 4435 (Corresponding author). (I. F. = 5.0)
  5. Rajendra Kumar Konidena,*Kerthika P, “Marching Towards Long-wavelength Multi Resonance Delayed Fluorescence Emitters for OLEDs” Adv. Opt. Mater. 2023, 11, 2301723 (Corresponding author)(I. F. = 9.0)
  6. Rajendra Kumar Konidena,*M. Yang and T. Yasuda*, A π-extended tercarbazole-core multi-resonance delayed fluorescence emitter exhibiting efficient narrowband yellow electroluminescence” Chem. Commun. 2023, 59, 10251. DOI: 10.1039/D3CC03241H (HOT paper), (Corresponding author). (I. F. = 5.0)
  7. Rajendra Kumar Konidena,*K. R. Naveen* and P. Keerthika, “Neoteric Advances in Oxygen Bridged Triaryl Boron-based Delayed Fluorescent Materials for Organic Light Emitting Diodes” Chem. Rec. 2023, DOI: doi.org/10.1002/tcr.202300208. (I. F. = 6.6), (Corresponding author)
  8. Minlang Yang,† Rajendra Kumar Konidena,† So Shikita and Takuma Yasuda*, Facile dimerization strategy for producing narrowband green multi-resonance delayed fluorescence emitters, J. Mater. Chem. C, 2023, 11, 917, Just accepted. (I.F. = 8.1) (Equally contributed) (Selected as front cover page)
  9. Rajendra Kumar Konidena* and K. R. Naveen, Boron-based Narrowband Multi-Resonance Delayed Fluorescent Emitters for Organic Light Emitting Diodes, Adv. Photon. Res. 2022, 3, 2200210, DOI: 10.1002/adpr.202200201. (I. F. = 3.7) (Corresponding author)
  10. Rajendra Kumar Konidena, Junseop Lim and Jun Yeob Lee* “A Novel Molecular Design Featuring the Conversion of Inefficient TADF Emitters into Efficient TADF Emitters for Deep-Blue Organic Light Emitting Diodes” Chem. Engi. J. 2021, 416, 129097. (DOI: 10.1016/j.cej.2021.129097). (I.F. =16.7)
  11. Rajendra Kumar Konidena, Seyoung Oh, Seokwoo Kang, Sang-Shin Park, Hayoon Lee, Jongwook Park* “Indolo[3,2,1-jk]carbazole-Derived Narrowband Violet–Blue Fluorophores: Tuning the Optical and Electroluminescence Properties by Chromophore Juggling” J. Org. Chem. 2022, 87, 6668. (DOI: 10.1021/acs.joc.2c00322). (I.F. =4.4)
  12. Rajendra Kumar Konidena, Junseop Lim and Jun Yeob Lee* “C1,C8-modified carbazole-based bipolar host materials for blue phosphorescent electroluminescent devices” J. Ind. Engi. Chem. 2022, 107, 75. (DOI: 10.1016/j.cej.2021.129097). (I.F. =6.8)
  13. Rajendra Kumar Konidena, K. R. Justin Thomas*, Jongwook Park. “Recent Advances in the Design of Multi‐Substituted Carbazoles for Optoelectronics: Synthesis and Structure‐Property Outlook” ChemPhotoChem. 2022, 6, e202200059. (DOI: 10.1002/cptc.202200059). (I.F. =3.7)
  14. Rajendra Kumar Konidena, Won Jae Jung and Jun Yeob Lee*, “Enabling High Efficiency and Long Lifetime of Pure Blue Phosphorescent Organic Light Emitting Diodes by Simple Cyano Modified Carbazole-based Host” Dyes Pigm. 2021, 187, 109118, (DOI: 10.1016/j.dyepig.2020.109118). (I.F. = 5.1)
  15. Rajendra Kumar Konidena, Won Jae Jung and Jun Yeob Lee*. “C1-, C2-, and C3-Modified Carbazole Derivatives as Promising Host Materials for Phosphorescent Organic Light-Emitting Diodes” Org. Lett. 2020, 22, 2786. (DOI: 10.1021/acs.orglett.0c00767). (I.F. = 6.2)
  16. Rajendra Kumar Konidena, K. R. Justin Thomas*, Ambika Pathak, Deepak Kumar Dubey, Snehasis Sahoo and Jwo-Huei Jou, “Fine-tuning the Physicochemical and Electroluminescence Properties of Poly-Substituted Bipolar Carbazoles by Functional Group Juggling” ChemPhotoChem. 2020, 4, 5364. Early view. (DOI: 10.1002/cptc.202000172). (I.F. = 3.7)
  17. Rajendra Kumar Konidena, Kyunghyung Lee and Jun Yeob Lee*. “Molecular Design Featuring Carbazole-decorated 15H-diindolo[2,3-b:1',2',3'-lm]carbazole for Improved Efficiency and Lifetime of Thermally Activated Delayed Fluorescence Emitters” J. Mater. Chem. C, 2020, 8, 2491. (DOI: 10.1039/C9TC05855A). (I.F. = 8.1)
  18. Rajendra Kumar Konidena, Won Jae Jung and Jun Yeob Lee*. “Molecular Engineering of Cyano‐Substituted Carbazole‐Based Host Materials for Simultaneous Achievement of High Efficiency and Long Lifetime in Blue Phosphorescent Organic Light‐Emitting Diodes” Adv. Electron. Mater. 2020, 6, 2000132. (DOI: 10.1002/aelm.202000132). (I.F. = 7.8)
  19. Rajendra Kumar Konidena, Kyunghyung Lee and Jun Yeob Lee*, “6H-benzo[4,5]thieno[2,3-b]indole as a Novel Donor for Highly Efficient Thermally Activated Delayed Fluorescence Emitters with EQE over 20%. J. Mater. Chem. C, 2019, 7, 13912. (DOI: 10.1039/c9tc04679h). (I.F. = 8.1)
  20. Rajendra Kumar Konidena, Kyunghyung Lee and Jun Yeob Lee*, “Two Channel Emission Controlled by Conjugation Valve for Color Switching of Thermally Activated Delayed Fluorescence Emission” J. Mater. Chem. C, 2019, 7, 9908. (DOI: 10.1039/c9tc02618e). (I.F. = 8.1)
  21. Rajendra Kumar Konidena,Kyunghyung Lee, Jun Yeob Lee* and Wan Pyo Wong, “15H-Diindolo[2,3-b:1′,2′,3′-lm]carbazole: a novel rigid donor for highly efficient thermally activated delayed fluorescence emitters” J. Mater. Chem. C, 2019, 7, 8037. (DOI: 10.1039/c9tc02195g). (I.F. = 8.1)
  22. Rajendra Kumar Konidena, Kyunghyung Lee and Jun Yeob Lee*, “Molecular Design and Synthetic Approach of C2,C3,C4-Modified Carbazoles: High Triplet Energy Bipolar Host Materials for Efficient Blue Phosphorescent Organic Light Emitting Diodes”Chem. Commun. 2019,55, 8178. (DOI: 10.1039/c9cc03843d). (I.F. = 6.1)
  23. Rajendra Kumar Konidena, Kyunghyung Lee and Jun Yeob Lee*, “Triggering Thermally Activated Delayed Fluorescence by Switching the Heteroatom in Donor scaffold: An Account on Structure-Function Relationship” Chem. Asian. J, 2019, 14, 2251. (DOI:10.1002/asia.201900388). (I.F. = 4.6)
  24. Rajendra Kumar Konidena, Kyunghyung Lee and Jun Yeob Lee*, “A New Benzothienoindole-based Bipolar Host Material for Highly Efficient Green Phosphorescent Organic Light Emitting Diodes with Extremely Small Efficiency Roll-Off” Org. Electron., 2019, 70, 211. (DOI: 10.1016/j.orgel.2019.04.006). (I.F. = 3.7)
  25. Rajendra Kumar Konidena, Kyung Hyung Lee and Jun Yeob Lee*, “Decoration of Dibenzofuran Using Cyanocarbazole via 6- Position As a Molecular Design Approach for High Triplet Energy Bipolar Host Materials”Chem. Asian. J, 2019, 14, 313. (DOI:10.1002/asia.201801627). (I.F. = 4.6)
  26. Rajendra Kumar Konidena and Jun Yeob Lee*, “Molecular Design Tactics for Highly Efficient Thermally Activated Delayed Fluorescence Emitters for Organic Light Emitting Diodes” Chem. Rec. 2019, 19, 1499. (DOI: 10.1002/tcr.201800136). (I.F. = 6.9)
  27. Rajendra Kumar Konidena, K. R. Justin Thomas, Ambika Pathak, Deepak Kumar Dubey, Snehasis Sahoo and Jwo-Huei Jou, “Tuning the Photophysical and Electroluminescence Properties in Asymmetrically Tetrasubstituted Bipolar Carbazoles by Functional Group Disposition” ACS Appl. Mater. Interfaces, 2018, 10, 24013. (DOI: 10.1021/acsami.8b04566). (I.F. = 10.1) 
  28. Deepak Kumar Dubey, Rajendra Kumar Konidena, Snehasis Sahoo, Rohit Ashok Kumar Yadav, S. S. Swayamprabha, K. R. Justin Thomas and Jwo Huei Jou*, “Wide Color Gamut Deep-Blue OLED Architecture for Display Application” ECS Trans., 2018, 85, 33. (DOI: 10.1149/08507.0033ecst).
  29. Rajendra Kumar Konidena, K. R. Justin Thomas*, Snehasis Sahoo, Deepak Kumar Dubey and Jwo-Huei Jou, “A new molecular design based on hybridized local and charge transfer fluorescence for highly efficient (>6%) deep-blue organic light emitting diodes” Chem. Commun. 2017, 53, 11802. (DOI: 10.1039/C7CC07139F). (I.F. = 6.1)
  30. Rajendra Kumar Konidena and K. R. Justin Thomas*, “Star-Shaped Asymmetrically Substituted Blue Emitting Carbazoles: Synthesis, Photophysical, Electrochemical and Theoretical Investigations” Chemistryselect, 2017, 2, 7514. (DOI: 10.1002/slct.201701336). (I.F. = 2.3)
  31. Rajendra Kumar Konidena, K. R. Justin Thomas*, Snehasis Sahoo, Deepak Kumar Dubey and Jwo-Huei Jou, “Multi-substituted deep-blue emitting carbazoles: a comparative study on photophysical and electroluminescence characteristics” J. Mater. Chem. C, 2017, 5, 709. (DOI: 10.1039/c6tc04870f). (I.F. = 8.1)
  32. Rajendra Kumar Konidena, K. R. Justin Thomas*, Meenu-Singh and Jwo-Huei Jou, “Thienylphenothiazine integrated pyrenes: an account on the influence of substitution patterns on their optical and electroluminescence properties” J. Mater. Chem. C, 2016, 4, 4246. (DOI: 10.1039/c6tc00354k). (I.F. = 8.1)
  33. Rajendra Kumar Konidena, K. R. Justin Thomas*, Sudhir Kumar, Ya-Chi Wang, Chieh-Ju-Li and Jwo-Huei Jou, “Phenothiazine Decorated Carbazoles: Effect of Substitution Pattern on the Optical and Electroluminescent Characteristics” J. Org. Chem. 2015, 80, 5812. (DOI: 10.1021/acs.joc.5b00787). (I.F. = 4.3)
  34. Rajendra Kumar Konidena and K. R. Justin Thomas*, “Selective naked-eye cyanide detection in aqueous media using a carbazole-derived fluorescent dye” RSC Adv. 2014, 4, 22902. (DOI: 10.1039/c4ra02636e). (I.F. = 4.1)
  35. Hariharasubramanian, Y. Dominic Ravichandran, R. Rajesh, Rajendra Kumar Konidena, M. Kanagaraj and S. Arumugam, “Covalent functionalization of single-walled carbon nanotubes with anthracene by green chemical approach and their temperature dependent magnetic and electrical conductivity studies” Materials Chemistry and Physics, 2014, 143, 838. (DOI: 10.1016/j.matchemphys.2013.10.022). (I.F. = 4.1).
Presentations :
  1. Rajendra Kumar Konidena, “Molecular designs of long-wavelength multi-resonance TADF emitters for OLEDs” Invited talk at MMM-conference held IIT Hyderabad-Dec 2023 (https://rkonidena531.wixsite.com/organic-materials--1).
  2. Rajendra Kumar Konidena and K. R. Justin Thomas*, “Thienylphenothiazine integrated pyrenes: Effect of substitution pattern on Optical, Electrochemical and theoretical Properties” poster presentation at “International Photovoltaic Solar Energy Conference (Solar Asia-2015)” Savitribai Phule Pune University, India, 2015.
  3. Rajendra Kumar Konidena and K. R. Justin Thomas*, “Synthesis and Characterization of Phenothiazine Containing Pyrenes for Photovoltaic Applications” poster presentation at “International symposium on solar cells” IICT-Hyderabad, India, 2013.
  4. Rajendra Kumar Konidena and D. Ravichandran* “Organic Functionalized Carbon Nanotubes as Conducting materials” oral presentation at “National materials conference” Tiruvannamalai Govt. Arts and Science College, India, 2011.
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