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Pachaiyappan Rajamalli

Indian Institute of Science

29H-index
124Paper Count
3.3KCitation Count
Published Papers 53
Publication Date
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Rational Rigid-Core Design Realizes Efficient and Color-Pure Sky-Blue MR-TADF Emission in Boron-Nitrogen Functionalized Dibenzo-Xanthene
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IF12.1
err2026-05-05
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PREAI
errThamodharan Viswanathan; Sabyasachi Maity; Upasana Deori; Nikhitha R.; Nandish SH; Sandhayarani Pal; Nisha Yadav; Anirban Mondal; Pachaiyappan Rajamalli
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Supramolecular engineering of non-planar bridged-ethers: blue to red emission tuning and solution-processed OLED fabrication
errmater. chem. front.
IF0
err2026-04-17
err0
errOAAI
errShouvik Bhuin; Upasana Deori; Pandiyan Sivasakthi; Avanigadda Madhu Niharika; Pralok K. Samanta; Pachaiyappan Rajamalli; Manab Chakravarty
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Exploiting Ultrathin Layer to Realize Simultaneous High Electroluminescence Efficiency and Color Quality in Hybrid White Organic Light-Emitting Diodes
errACS Applied Materials and Interfaces
IF8.2
err2026-01-29
err0
PREAI
errUpasana Deori; Vikash Kumar; Parthasarathy Gandeepan; Pachaiyappan Rajamalli
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Perspectives on OLED Technology
errJ. Mater. Chem. C
IF0
err2025-12-04
err0
PREAI
errChihaya Adachi; Subrata Ghosh; P. Rajamalli; Eli Zysman-Colman
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Role of Excited-State Structural Reorganization in Achieving Enhanced TADF in Molecular Aggregates for Efficient Cyan-Green and Yellow OLEDs
errADVANCED OPTICAL MATERIALS
IF7.2
err2025-12-01
err0
PREAI
errChatterjee, Abhijit; Aedelli, Santhosh; Thorat, Sachin; Ryu, Tomohiro; Chakraborty, Barsha; Kudlu, Ashwath; Ambhore, Madan D.; Koner, Apurba Lal; Onda, Ken; Rajamalli, Pachaiyappan; Hazra, Partha
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Thermally Activated Delayed Fluorescence in Phenothiazine-Phenoxazine-Quinoline Conjugates and Electroluminescence
errJOURNAL OF PHYSICAL CHEMISTRY C
IF3.2
err2025-12-01
err0
PREAI
errUpadhyay, Manoj; Chaudhury, Smarak Islam; Deka, Raktim; Peethambaran, Sreerang; Aedelli, Santhosh; Rajamalli, Pachaiyappan; Ray, Debdas
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A Rigid Xanthene-anthracene-based Scaffold exhibiting Ultra Deep Blue Emission: Multifunctional Material as Emitter and Host for Blue OLEDs
errJ. Mater. Chem. C
IF0
err2025-11-06
err0
PREAI
errNisha Yadav; Pachaiyappan Rajamalli
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A Tailorable Metal-Free Supramolecular Oxidase Equivalent with Photoswitchable Functions (Small 31/2025)
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IF12.1
err2025-08-08
err0
PREAI
errAlisha Kamra; Rahul Mahashaya; P. Rajamalli; Subinoy Rana
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Improving the external quantum efficiency and minimizing the efficiency roll-off in OLEDs: a study on the optimization of donor linkage and acceptor nitrogen atom positions in TADF emitters
errj mater chem a
IF0
err2025-07-27
err0
PREAI
errGyana Prakash Nanda; Rajan Suraksha; Bahadur Sk; Thamodharan Viswanathan; Pachaiyappan Rajamalli
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Bimetallic Nanocluster-Based Light-Emitting Diodes With High External Quantum Efficiency and Saturated Red Emission
errAdvanced Materials
IF26.8
err2025-06-11
err0
PREAI
errJose V. Rival; Savita Chand; Arijit Jana; Nonappa; Vasudevanpillai Biju; Thalappil Pradeep; Pachaiyappan Rajamalli; Edakkattuparambil Sidharth Shibu
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A Tailorable Metal-Free Supramolecular Oxidase Equivalent with Photoswitchable Functions
errSMALL
IF12.1
err2025-05-13
err0
PREAI
errAlisha Kamra; Rahul Mahashaya; P. Rajamalli; Subinoy Rana
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Highly Efficient Orange Phosphorescent Organic Light Emitting Diodes with Reduced Roll-Off Using Xanthene-Conjugated Carbazole and Acridone as Host Materials
errCHEMISTRY-AN ASIAN JOURNAL
IF3.3
err2025-03-01
err1
PREAI
errViswanathan, Thamodharan; Yadav, Nisha; Nandish, S. H.; Pal, Sandhyarani; Mazumdar, Ashish Kumar; Rajamalli, Pachaiyappan
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Tunable color-stable hybrid white OLEDs by combining fluorescent and TADF emitters in a single emissive layer
errJOURNAL OF MATERIALS CHEMISTRY C
IF5.1
err2025-01-01
err0
PREAI
errDeori, Upasana; Viswanathan, Thamodharan; Yadav, Nisha; Rajamalli, Pachaiyappan
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Regulating Spatial Configuration in Donor-π-Acceptor for through-Space Exciton Transfer: Concentration-Independent Emitter for OLEDs
errADVANCED OPTICAL MATERIALS
IF7.2
err2024-12-26
err0
PREAI
errYadav, Nisha; Deori, Upasana; Manna, Arun K.; Rajamalli, Pachaiyappan
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Electric Field-Induced Sequential Prototropic Tautomerism in Enzyme-like Nanopocket Created by Single Molecular Break Junction
errJOURNAL OF THE AMERICAN CHEMICAL SOCIETY
IF15.6
err2024-11-04
err0
errOAAI
errSreelakshmi, P. A.; Mahashaya, Rahul; Leitherer, Susanne; Rashid, Umar; Hamill, Joseph M.; Nair, Manivarna; Rajamalli, Pachaiyappan; Kaliginedi, Veerabhadrarao
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Ultra-Narrowband Circularly Polarized Luminescence from Multiple 1,4-Azaborine-Embedded Helical Nanographenes
errJOURNAL OF THE AMERICAN CHEMICAL SOCIETY
IF15.6
err2024-10-22
err0
PREAI
errZhang, Fangyuan; Brancaccio, Vincenzo; Saal, Fridolin; Deori, Upasana; Radacki, Krzysztof; Braunschweig, Holger; Rajamalli, Pachaiyappan; Ravat, Prince
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Role of Pyridine Nitrogen Position on the Moisture Sensitivity of Organic Emitters
erracs nanoscience au
IF6.5
err2024-09-04
err0
errOAAI
errNanda, Gyana Prakash; Suraksha, Rajan; Rajamalli, Pachaiyappan
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A perspective on next-generation hyperfluorescent organic light-emitting diodes
errCHEMICAL SCIENCE
IF7.4
err2024-01-01
err1
errOAAI
errDeori, Upasana; Nanda, Gyana Prakash; Murawski, Caroline; Rajamalli, Pachaiyappan
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Highly efficient color-tunable organic co-crystals unveiling polymorphism, isomerism, delayed fluorescence for optical waveguides and cell-imaging
errNATURE COMMUNICATIONS
IF15.7
err2023-10-20
err22
errOAAI
errBarman, Debasish; Annadhasan, Mari; Bidkar, Anil Parsram; Rajamalli, Pachaiyappan; Barman, Debika; Ghosh, Siddhartha Sankar; Chandrasekar, Rajadurai; Iyer, Parameswar Krishnan
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Systematic Study to Choose Appropriate Materials Combination for Green Hyperfluorescent Organic Light-Emitting Diodes
errACS APPLIED ELECTRONIC MATERIALS
IF4.7
err2023-09-07
err3
PREAI
errDeori, Upasana; Yadav, Nisha; Nanda, Gyana Prakash; Kumawat, Kishan Lal; Rajamalli, Pachaiyappan
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Research Directions

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Co-authors
Cooperation Journals
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D
David Beljonne
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A
Alexandra M. Z. Slawin
H-index: 106 · Papers: 5.3K
H
Holger Braunschweig
H-index: 92 · Papers: 2.6K
C
Chien‐Hong Cheng
H-index: 90 · Papers: 766
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