Null Exciton Splitting in Chromophoric Greek Cross (+) Aggregate

Sebastian, Ebin; Philip, Abbey M.; Benny, Alfy; Hariharan, Mahesh

doi:10.1002/anie.201810209

Cited by 125Photochemistry and Electron Transfer StudiesOrganic Electronics and PhotovoltaicsLuminescence and Fluorescent Materials

Null Exciton Splitting in Chromophoric Greek Cross (+) Aggregate

Sebastian, Ebin, Philip, Abbey M., Benny, Alfy, Hariharan, Mahesh·2018·Angewandte Chemie International Edition

DOI 10.1002/anie.201810209

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Abstract

Exciton interactions in molecular aggregates play a crucial role in tailoring the optical behaviour of π‐conjugated materials. Though vital for optoelectronic applications, ideal Greek cross‐dipole ( α =90°) stacking of chromophores remains elusive. We report a novel Greek cross (+) assembly of 1,7‐dibromoperylene‐3,4,9,10‐tetracarboxylic tetrabutylester (PTE‐Br 2 ) which exhibits null exciton coupling mediated monomer‐like optical characteristics in the crystalline state. In contrast, nonzero exciton coupling in X‐type ( α =70.2°, PTE‐Br 0 ) and J‐type ( α =0°, θ =48.4°, PTE‐Br 4 ) assemblies have perturbed optical properties. Additionally, the semi‐classical Marcus theory of charge‐transfer rates predicts a selective hole transport phenomenon in the orthogonally stacked PTE‐Br 2 . Precise rotation angle dependent optoelectronic properties in crystalline PTE‐Br 2 can have consequences in the rational design of novel π‐conjugated materials for photonic and molecular electronic applications.

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Xie, Z., Liu, D., Gao, C., Zhang, X., Dong, H., & Hu, W. (2025) · Journal of the American Chemical Society · doi:10.1021/jacs.4c11208 · Cited by 69 · see citing works
Distinct Crystalline Aromatic Structural Motifs: Identification, Classification, and Implications
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Organic luminescent crystals: role of packing structures and optical properties
Song, Y., Pan, G., Zhang, C., Wang, C., Xu, B., & Tian, W. (2023) · Materials Chemistry Frontiers · doi:10.1039/d3qm00494e · Cited by 64 · see citing works
Keeping the chromophores crossed: evidence for null exciton splitting
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Anomalous Halogen–Halogen Interaction Assists Radial Chromophoric Assembly
Niyas, M. A., Ramakrishnan, R., Vijay, V., Sebastian, E., & Hariharan, M. (2019) · Journal of the American Chemical Society · doi:10.1021/jacs.8b13754 · Cited by 57 · see citing works
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1-Mono- and 1,7-Disubstituted Perylene Bisimide Dyes with Voluminous Groups at Bay Positions: In Search for Highly Effective Solid-State Fluorescence Materials
Stolte, M., Schembri, T., Süß, J., Schmidt, D., Krause, A., Vysotsky, M. O., & Würthner, F. (2020) · Chemistry of Materials · doi:10.1021/acs.chemmater.0c02115 · Cited by 57 · see citing works
Magnetic Bistability in an Organic Radical-Based Charge Transfer Cocrystal
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Protein‐like Enwrapped Perylene Bisimide Chromophore as a Bright Microcrystalline Emitter Material
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Excimer evolution hampers symmetry-broken charge-separated states
Sebastian, E., Sunny, J., & Hariharan, M. (2022) · Chemical Science · doi:10.1039/d2sc04387d · Cited by 50 · see citing works
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Photoluminescent organic crystals and co-crystals
Dar, A. A., & Malik, A. A. (2024) · Journal of Materials Chemistry C · doi:10.1039/d4tc01453g · Cited by 44 · see citing works
Comparative analyses of Nonlinear Optical (NLO) properties, structural characterization and density functional theory of chloro-trifluoromethyl moiety chalcone derivatives for optical limiting application
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The Pursuit of Shortwave Infrared-Emitting Nanoparticles with Bright Fluorescence through Molecular Design and Excited-State Engineering of Molecular Aggregates
Piwoński, H., Nozue, S., & Habuchi, S. (2022) · ACS Nanoscience Au · doi:10.1021/acsnanoscienceau.1c00038 · Cited by 39 · see citing works
Ultrafast Intersystem Crossing in Selenium-Annulated Perylene Bisimide
Sivanarayanan, J., Sebastian, E., Vinod, K., Würthner, F., & Hariharan, M. (2022) · The Journal of Physical Chemistry C · doi:10.1021/acs.jpcc.2c03847 · Cited by 38 · see citing works
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Photoinduced stepwise charge hopping in π-stacked perylene bisimide donor–bridge–acceptor arrays
Ernst, L., Song, H., Kim, D., & Würthner, F. (2025) · Nature Chemistry · doi:10.1038/s41557-025-01770-7 · Cited by 37 · see citing works
Axially chiral bay-tetraarylated perylene bisimide dyes as non-fullerene acceptors in organic solar cells
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Synthesis and Reactions of Carbon Nanohoop
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Exciton Isolation in Cross-Pentacene Architecture
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Switching resonance character within merocyanine stacks and its impact on excited-state dynamics
Kim, T., Kang, S., Kirchner, E., Bialas, D., Kim, W., Würthner, F., & Kim, D. (2020) · Chem · doi:10.1016/j.chempr.2020.12.003 · Cited by 28 · see citing works
Mutually exclusive hole and electron transfer coupling in cross stacked acenes
Benny, A., Ramakrishnan, R., & Hariharan, M. (2021) · Chemical Science · doi:10.1039/d1sc00520k · Cited by 28 · see citing works
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Intermolecular Charge Transfer in H- and J-Aggregates of Donor–Acceptor–Donor Chromophores: The Curious Case of Bithiophene-DPP
Chang, X., Qarai, M. B., & Spano, F. C. (2022) · The Journal of Physical Chemistry C · doi:10.1021/acs.jpcc.2c05910 · Cited by 28 · see citing works
Circular dichroism of molecular aggregates: A tutorial
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A Symmetry‐Broken Charge‐Separated State in the Marcus Inverted Region
Sebastian, E., & Hariharan, M. (2023) · Angewandte Chemie International Edition · doi:10.1002/anie.202216482 · Cited by 27 · see citing works
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Light-Induced Antiferromagnetic to Ferromagnetic Transition in Halogen Substituted 1,4-Bis(imidazolyl)benzene Systems: An Effect of Spin–Orbit Coupling and π-Stacking in Enhanced Photomagnetism
Saha, S., Khamrui, S., & Biradha, K. (2024) · Journal of the American Chemical Society · doi:10.1021/jacs.4c10757 · Cited by 26 · see citing works
Crossed 2D versus Slipped 1D π‐Stacking in Polymorphs of Crystalline Organic Thin Films: Impact on the Electronic and Optical Response
Aliaga‐Gosalvez, M. J., Demitri, N., Dohr, M., Roldao, J. C., Park, S. K., Oh, S., Varghese, S., Park, S. Y., Olivier, Y., Milián‐Medina, B., et al. (2019) · Advanced Optical Materials · doi:10.1002/adom.201900749 · Cited by 26 · see citing works
Achieving Controllable Thermochromic Fluorescence via Synergistic Intramolecular Charge Transfer and Molecular Packing
Feng, W., Lu, S., Wu, Y., Li, X., Han, D., Zhao, Y., Tian, W., & Yan, H. (2024) · Angewandte Chemie International Edition · doi:10.1002/anie.202415815 · Cited by 24 · see citing works
Crystal Engineering of 1D Exciton Systems Composed of Single‐ and Double‐Stranded Perylene Bisimide J‐Aggregates
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Perylene Bisimide-Based Luminescent Liquid Crystals with Tunable Solid-State Light Emission
Mu, B., Zhang, Z., Quan, X., Hao, X., & Tian, W. J. (2021) · ACS Applied Materials & Interfaces · doi:10.1021/acsami.1c17280 · Cited by 22 · see citing works
Energy landscape of perylenediimide chromophoric aggregates
Das, P. P., Mazumder, A., Rajeevan, M., Swathi, R. S., & Hariharan, M. (2023) · Physical Chemistry Chemical Physics · doi:10.1039/d3cp04609e · Cited by 21 · see citing works
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Achieving controllable packing mode and broad colour-tunable emission via the end group effect in pyrene-based aggregation-induced emission luminogens
Zeng, C., Liang, S., Lin, J., Liu, W., Xie, Z., Cai, W., Redshaw, C., Feng, X., & Tang, B. Z. (2025) · Chemical Science · doi:10.1039/d5sc03105b · Cited by 20 · see citing works
Solvent dielectric delimited nitro–nitrito photorearrangement in a perylenediimide derivative
Mazumder, A., Sebastian, E., & Hariharan, M. (2022) · Chemical Science · doi:10.1039/d2sc02979k · Cited by 20 · see citing works
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Unraveling Pathway Complexity in the Supramolecular Polymerization of Z-Shaped Perylenediimides: From Kinetic H -Aggregates to Thermodynamic Null Supramolecular Polymers
Schwalb, A. J., Naranjo, C., Fernández‐Alarcón, A., García, F., Ortı́, E., Aragó, J., & Sánchez, L. (2025) · Journal of the American Chemical Society · doi:10.1021/jacs.5c08436 · Cited by 19 · see citing works
Towards control of excitonic coupling in DNA-templated Cy5 aggregates: the principal role of chemical substituent hydrophobicity and steric interactions
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Nanostructured organic photosensitizer aggregates in disease phototheranostics
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One‐Pot Synthesis and Excited‐State Dynamics of Null Exciton‐Coupled Diketopyrrolopyrroles Oligo‐Grids
Bo, Y., Hou, P., Wan, J., Cao, H., Liu, Y., Xie, L., & Guldi, D. M. (2023) · Advanced Materials · doi:10.1002/adma.202302664 · Cited by 19 · see citing works
Metastable Chiral Azobenzenes Stabilized in a Double Racemate
Mohan, A., Sasikumar, D., Bhat, V., & Hariharan, M. (2019) · Angewandte Chemie International Edition · doi:10.1002/anie.201910687 · Cited by 19 · see citing works
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Turn-on solid state luminescence by solvent-induced modification of intermolecular interactions
Majumdar, P., Ghora, M., Wannemacher, R., Gierschner, J., & Varghese, S. (2020) · Journal of Materials Chemistry C · doi:10.1039/d0tc03645e · Cited by 18 · see citing works
Organic Semiconductor Micro/Nanocrystals for Laser Applications
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Exciton interactions in helical crystals of a hydrogen-bonded eumelanin monomer
Sasikumar, D., Vinod, K., Sunny, J., & Hariharan, M. (2022) · Chemical Science · doi:10.1039/d1sc06755a · Cited by 17 · see citing works
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Donor–acceptor complex formation by social self-sorting of polycyclic aromatic hydrocarbons and perylene bisimides
Soldner, S., Anhalt, O., Sárosi, M. B., Stolte, M., & Würthner, F. (2023) · Chemical Communications · doi:10.1039/d3cc03704e · Cited by 17 · see citing works
Room Temperature Phosphorescence in Crystalline Iodinated Eumelanin Monomer
Vinod, K., Jadhav, S. D., & Hariharan, M. (2024) · Chemistry - A European Journal · doi:10.1002/chem.202400499 · Cited by 17 · see citing works
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Unveiling the topology of partially disordered micro-crystalline nitro-perylenediimide with X-aggregate stacking: an integrated approach
Mathew, R., Mazumder, A., Kumar, P., Matula, J., Mohamed, S., Brázda, P., Hariharan, M., & Thomas, B. (2023) · Chemical Science · doi:10.1039/d3sc05514k · Cited by 16 · see citing works
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Photochromism and Photomagnetism in 1,4-bis(4,5-diphenyl-imidazolyl)benzene Chromophores: Water-Assisted π-Stacks for the Generation of Stable Free Radicals in the Solid State
Saha, S., Khamrui, S., Moi, R., Anoop, A., Chernyshev, V. V., Banerjee, D., & Biradha, K. (2023) · ACS Applied Optical Materials · doi:10.1021/acsaom.3c00337 · Cited by 15 · see citing works
Supramolecular Nanowires from an Acceptor–Donor–Acceptor Conjugated Chromophore
Chakraborty, S., Varghese, S., & Ghosh, S. (2019) · Chemistry - A European Journal · doi:10.1002/chem.201904463 · Cited by 15 · see citing works
Aggregation-assisted energy gap modulation controls delayed emission in hybrid charge-transfer emitters
Vinod, K., Noushad, N., Tanaka, H., Mohan, N., Kokado, Y., Tomiya, D., Kobori, Y., & Hariharan, M. (2025) · Chemical Science · doi:10.1039/d5sc02071a · Cited by 14 · see citing works
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Ultrastable Anion Radicals in Ligand-Dimerized Frameworks for Self-Accumulated Electrochemiluminescence
Chen, Q., Gu, Y., Fu, H., Luo, R., Zhu, D. Y., Dong, P., Ma, J., Ju, H., & Lei, J. (2024) · ACS Applied Materials & Interfaces · doi:10.1021/acsami.4c01412 · Cited by 14 · see citing works
Chirality Unbound in Graphene Nanoribbons
Bao, S. T., Hong, Y., Jiang, H., Lackovic, L. T., Louie, S., Xu, D., Ng, F., Olsen, N., Zhu, X., Steigerwald, M. L., et al. (2025) · Angewandte Chemie International Edition · doi:10.1002/anie.202508426 · Cited by 13 · see citing works
Cross-dipole π-π stacking of crossed perylene diimides with D-A-D structures by crystal engineering towards ambipolar charge transport performance and aggregation-induced emission
Ma, L., Liu, Y., Zhao, Y., Sun, X., Zhang, Y., Yin, A., Cao, D., Chen, Q., & Gao, G. (2023) · Applied Surface Science · doi:10.1016/j.apsusc.2023.156422 · Cited by 13 · see citing works
Excitons in confined molecular aggregates
Chen, X., Zhou, J., Xie, Z., & Ma, Y. (2024) · Information & Functional Materials · doi:10.1002/ifm2.9 · Cited by 13 · see citing works
Protein‐like Enwrapped Perylene Bisimide Chromophore as a Bright Microcrystalline Emitter Material
Schmidt, D., Stolte, M., Süß, J., Liess, A., Stepanenko, V., & Würthner, F. (2019) · Angewandte Chemie · doi:10.1002/ange.201907618 · Cited by 13 · see citing works
Symmetry-Breaking Charge Separation in the Solid State Using Perylenemonoimide-Based Multichromophoric Architectures
Khan, A., Tcyrulnikov, N. A., Roy, R., Young, R. M., Wasielewski, M. R., & Koner, A. L. (2024) · The Journal of Physical Chemistry C · doi:10.1021/acs.jpcc.4c01236 · Cited by 12 · see citing works
Optical spectra of complex aggregates and crystals: Vibronic band structure and Davydov splitting
Giavazzi, D., Schwarzl, R., Painelli, A., & Spano, F. C. (2025) · The Journal of Chemical Physics · doi:10.1063/5.0263317 · Cited by 12 · see citing works
From X‐ To J‐Aggregation: Subtly Managing Intermolecular Interactions for Superior Phototheranostics with Precise 1064 nm Excitation
Tang, J., Si, L., Wang, Y., Xia, G., & Wang, H. (2025) · Advanced Healthcare Materials · doi:10.1002/adhm.202404322 · Cited by 10 · see citing works
Pressure-dependent guest binding and release on a supramolecular polymer
Yonezawa, S., Sethy, R., Fukuhara, G., Kawai, T., & Nakashima, T. (2019) · Chemical Communications · doi:10.1039/c9cc02696g · Cited by 10 · see citing works
Charge Transport through Discrete Crystalline Architectures
John, A. T., George, D., & Hariharan, M. (2023) · The Journal of Physical Chemistry C · doi:10.1021/acs.jpcc.2c08837 · Cited by 10 · see citing works
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In Silico Exploration for Maximal Charge Transport in Organized Tetrabenzoacenes through Pitch and Roll Displacements
Benny, A., Sasikumar, D., & Hariharan, M. (2019) · The Journal of Physical Chemistry C · doi:10.1021/acs.jpcc.9b06013 · Cited by 10 · see citing works
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Self-Assembly of a β-Cyclodextrin Bis-Inclusion Complex into a Highly Crystalline Fiber Network. An Effective Strategy for Null Aggregate Design
Nayak, N., & Gopidas, K. R. (2019) · The Journal of Physical Chemistry B · doi:10.1021/acs.jpcb.9b05430 · Cited by 10 · see citing works
Cross‐Transition‐Dipole Stacking of Conjugated Organic Molecules: Structure, Exciton Behavior and Optoelectronic Property
Li, W., & Xie, Z. (2024) · Chemistry - A European Journal · doi:10.1002/chem.202403908 · Cited by 9 · see citing works
Crystallization-Induced Emission Enhancement or Quenching? Elucidating the Mechanism behind Using Single-Molecule-Based Versatile Crystals
Shang, Y., Ma, Y., Qiangbazhuoma, Baimaquzhen, Ding, L., Liu, J., Yin, S., Miao, R., & Fang, Y. (2025) · The Journal of Physical Chemistry Letters · doi:10.1021/acs.jpclett.5c00774 · Cited by 9 · see citing works
Studies on characterization of blue emissive chitosan/carbazolyl biphenyl (CRB) composite films and their gamma ray irradiation mediated fluorescence quenching phenomenon
Pushparekha, Kunhanna, S. B., Patil, V. B., & Dayananda, B. S. (2023) · Optical Materials · doi:10.1016/j.optmat.2023.113675 · Cited by 9 · see citing works
Tetracene Diacid Aggregates for Directing Energy Flow toward Triplet Pairs
Pompetti, N. F., Smyser, K. E., Feingold, B., Owens, R., Lama, B., Sharma, S., Damrauer, N. H., & Johnson, J. C. (2024) · Journal of the American Chemical Society · doi:10.1021/jacs.4c02058 · Cited by 9 · see citing works
Balancing Solubility and Thermoelectric Performance in π-Extended Poly(benzimidazoanthradiisoquinolinedione) Ladder-Type Conjugated Polymer
He, Q., Zhang, X., Tam, T. L. D., Wang, J., Chen, H., Chien, S. W., Tham, N. N., Koh, X. Q., Lee, J. J. C., Lin, M., et al. (2023) · ACS Applied Electronic Materials · doi:10.1021/acsaelm.3c00294 · Cited by 9 · see citing works
Exploration of the Luminescence Properties of Organic Phosphate Salts of 3‐Quinoline‐ and 5‐Isoquinolineboronic Acid
Ruelas-Álvarez, G. Y., Cárdenas‐Valenzuela, A. J., Cruz‐Enríquez, A., Herbert Höpfl, B., Campos‐Gaxiola, J. J., Rodriguez, M. A., & Rodríguez‐Molina, B. (2019) · European Journal of Inorganic Chemistry · doi:10.1002/ejic.201900244 · Cited by 9 · see citing works
Atom-Efficient Halogen–Halogen Interactions Assist One-, Two-, and Three-Dimensional Molecular Zippers
John, A. T., Narayanasamy, A., George, D., & Hariharan, M. (2021) · The Journal of Physical Chemistry C · doi:10.1021/acs.jpcc.1c01724 · Cited by 9 · see citing works
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Giant Supramolecular Synthons via Cyclic Halogen···Halogen Contacts in Substituted o -Xylenes
Nair, N. G., Prasad, K., Babu, H. C., & Hariharan, M. (2022) · Crystal Growth & Design · doi:10.1021/acs.cgd.1c01397 · Cited by 9 · see citing works
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Aromatic Ring Overlap Pedals the Nature of Exciton Coupling and Carrier Transport in a Series of Electron-Deficient Anthracenes
Ghosh, T. K., Kalita, K. J., Syamaladevi, N. A., & Vijayaraghavan, R. K. (2022) · The Journal of Physical Chemistry C · doi:10.1021/acs.jpcc.2c04073 · Cited by 8 · see citing works
J-aggregates of strong electron-donating groups linked Aza-BODIPY adjusting by polypeptide for NIR-II phototheranostics
Chen, D., Xu, Y., Wang, Y., Teng, C., Li, X., Yin, D., & Yan, L. (2024) · Spectrochimica Acta Part A Molecular and Biomolecular Spectroscopy · doi:10.1016/j.saa.2024.124789 · Cited by 8 · see citing works
Modulating singlet fission through interchromophoric rotation
Jadhav, S. D., Sasikumar, D., & Hariharan, M. (2022) · Physical Chemistry Chemical Physics · doi:10.1039/d2cp01116f · Cited by 7 · see citing works
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Noncovalent molecular interactions, charge transport and photovoltaic performance of asymmetric M-series acceptors with dichlorinated end groups
Liao, R., Ma, X., Tang, C., Liu, Y., Zheng, W., Ma, Y., Tu, Q., Lin, W., Yi, Y., & Zheng, Q. (2022) · Journal of Materials Chemistry A · doi:10.1039/d2ta05869c · Cited by 7 · see citing works
Coexistence of Parallel and Rotary Stackings in the Lamellar Crystals of a Perylene Bisimide Dyad for Temperature-Sensitive Bicomponent Emission
Chen, J., Tang, N., Zhou, J., Wang, L., Jiang, N., Zheng, N., Liu, L., & Xie, Z. (2021) · The Journal of Physical Chemistry Letters · doi:10.1021/acs.jpclett.1c00674 · Cited by 7 · see citing works
Probing intersystem crossing in multi-brominated eumelanin through transient absorption and surface hopping dynamics
Vinod, K., Kannadan, L. H., Thomas, D., Das, P. P., & Hariharan, M. (2024) · Organic Chemistry Frontiers · doi:10.1039/d4qo01832j · Cited by 6 · see citing works
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High mobility n-type organic semiconductors with tunable exciton dynamics toward photo-stable and photo-sensitive transistors
Yu, L., Hu, Y., Li, J., Wang, Z., Zhang, H., Huang, Y., Lou, Y., Sun, Y., Lu, X., Liu, H., et al. (2022) · Journal of Materials Chemistry C · doi:10.1039/d2tc00705c · Cited by 6 · see citing works
Thermoresponsive swelling of photoacoustic single-chain nanoparticles
Thümmler, J. F., Maragani, R., Schmitt, F., Tang, G., Rahmanlou, S. M., Laufer, J. G., Lucas, H., Mäder, K., & Binder, W. H. (2023) · Chemical Communications · doi:10.1039/d3cc03851c · Cited by 6 · see citing works
From molecular design to macroscopic control: Tailoring aggregate-state stacking and optical properties of polycyclic aromatic hydrocarbons through precise functionalization
Sun, M., Huang, K., Na, Z., Jia, Q., Zhou, K., Zeng, H., Zhou, J., Zhang, X., & Zeng, C. (2026) · Dyes and Pigments · doi:10.1016/j.dyepig.2026.113670 · Cited by 5 · see citing works
Synthesis, crystal growth, structure and photophysical properties of decafluoroanthracene and its co-crystals with polycyclic arenes
Friedrich, A., Schraut-May, L., Rauch, F., Durand, P., Krebs, J., Ruth, P. N., Hammer, S., Bertermann, R., Finze, M., Clark, S. J., et al. (2024) · Organic Chemistry Frontiers · doi:10.1039/d4qo01825g · Cited by 5 · see citing works
Chirality Unbound in Graphene Nanoribbons
Bao, S. T., Hong, Y., Jiang, H., Lackovic, L. T., Louie, S., Xu, D., Ng, F., Olsen, N., Zhu, X., Steigerwald, M. L., et al. (2025) · Angewandte Chemie · doi:10.1002/ange.202508426 · Cited by 4 · see citing works
A Symmetry‐Broken Charge‐Separated State in the Marcus Inverted Region
Sebastian, E., & Hariharan, M. (2023) · Angewandte Chemie · doi:10.1002/ange.202216482 · Cited by 4 · see citing works
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Metastable Chiral Azobenzenes Stabilized in a Double Racemate
Mohan, A., Sasikumar, D., Bhat, V., & Hariharan, M. (2019) · Angewandte Chemie · doi:10.1002/ange.201910687 · Cited by 4 · see citing works
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Intramolecular transamidation enables one-pot synthesis of three chiral, Z-shaped perilenediimides for null-type supramolecular polymer formation
Schwalb, A. J., Carreño, A., García, F., & Sánchez, L. (2025) · Chemical Science · doi:10.1039/d5sc07365k · Cited by 3 · see citing works
Precise Vibration Decoupling and Matrix Rigidification: A Dual Locking Strategy for Highly Efficient Photoluminescence
Huang, H., Wang, S., Wang, H., Fan, H., Dong, S., Li, Y. A., Li, M., Qi, C., Feng, H., Lei, Z., et al. (2026) · Aggregate · doi:10.1002/agt2.70333 · Cited by 3 · see citing works
Stacking‐Angle‐Manipulated Emission (SAME) in Anthracene‐Based Figure‐Eight Metallo‐Supramolecules
Shi, J., Zeng, Y., Liu, J., Hu, J., Xu, B., Tian, W., & Wang, M. (2025) · Aggregate · doi:10.1002/agt2.70198 · Cited by 3 · see citing works
Nonconventional 1,8-Diazafluoren-9-One Aggregates for Green Light Enhancement in Hybrid Biocompatible Media
Lewkowicz, A., Pierpaoli, M., Walczewska-Szewc, K., Czarnomska, M., Bojarski, P., Bogdanowicz, R., Pogorzelski, S. J., Kułak, L., & Karczewski, J. L. (2022) · Materials · doi:10.3390/ma15145012 · Cited by 3 · see citing works
Orientational effects in the polarized absorption spectra of molecular aggregates
Moritaka, S. S., & Лебедев, В. С. (2024) · The Journal of Chemical Physics · doi:10.1063/5.0188128 · Cited by 3 · see citing works
Magic-Angle Exciton Coupling in a Molecular Solid: Optical Consequence of Null–Coulombic Coupling
Ghosh, T. K., Chhetri, S., Ghosh, S., Kalita, K. J., Antharjanam, S., & Vijayaraghavan, R. K. (2024) · The Journal of Physical Chemistry Letters · doi:10.1021/acs.jpclett.4c02535 · Cited by 3 · see citing works
Humidity-Driven Color-Fluorescence Dual Switching of Naphthalenediimide Aggregates
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Inside Cover: Null Exciton Splitting in Chromophoric Greek Cross (+) Aggregate (Angew. Chem. Int. Ed. 48/2018)
Sebastian, E., Philip, A. M., Benny, A., & Hariharan, M. (2018) · Angewandte Chemie International Edition · doi:10.1002/anie.201812448
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Exciton Isolation in Cross-Pentacene Architecture
Lijina, M. P., Benny, A., Ramakrishnan, R., Nair, N. G., & Hariharan, M. (2020) · Journal of the American Chemical Society · doi:10.1021/jacs.0c06016 · Cited by 30 · see citing works
Self-citation
Greek Cross (+) Aggregate
Hariharan, M. (2023) · ECS Meeting Abstracts · doi:10.1149/ma2023-01141360mtgabs
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Innentitelbild: Null Exciton Splitting in Chromophoric Greek Cross (+) Aggregate (Angew. Chem. 48/2018)
Sebastian, E., Philip, A. M., Benny, A., & Hariharan, M. (2018) · Angewandte Chemie · doi:10.1002/ange.201812448
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(Invited) Ultrafast Excited State Dynamics of Twisted Aromatics
Hariharan, M. (2021) · ECS Meeting Abstracts · doi:10.1149/ma2021-0115728mtgabs
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Authors: Sebastian, E., Philip, A. M., Benny, A., & Hariharan, M.
Affiliations: Indian Institute of Science Education and Research Thiruvananthapuram (IN)
Corresponding author: Hariharan, Mahesh
ORCID: Sebastian, Ebin
Philip, Abbey M.
Benny, Alfy
Hariharan, Mahesh
Venue: Angewandte Chemie International Edition
Publisher: Wiley
Published: 2018-11-07
Volume: 57
Issue: 48
Pages: 15696-15701
ISSN: 1433-7851 (ISSN-L)
1521-3773
DOI: 10.1002/anie.201810209
OpenAlex: W2895827089
Cited by: 125
References: 73
Citations by year: 2026: 17 · 2025: 24 · 2024: 18 · 2023: 23 · 2022: 15 · 2021: 10 · 2020: 5 · 2019: 13
FWCI: 4.93
Type: journal article
Language: en
Open access: closed
Licence: onlinelibrary.wiley.com/termsAndConditions#vor (vor)
Locations: Angewandte Chemie International Edition (publishedVersion)
PubMed (publishedVersion)
Funders: Department of Science and Technology (DST) Nanomission (DST-SR/NM/NS-23/2016(C))
Topics: Physical Sciences › Chemistry › Physical and Theoretical Chemistry › Photochemistry and Electron Transfer Studies
Physical Sciences › Engineering › Electrical and Electronic Engineering › Organic Electronics and Photovoltaics
Physical Sciences › Materials Science › Materials Chemistry › Luminescence and Fluorescent Materials
Keywords: chromophore stacking, exciton coupling, J-aggregates, charge transfer rate, Marcus theory, hole transport, π-conjugated materials, crystalline aggregates, rotation angle dependence

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Null Exciton Splitting in Chromophoric Greek Cross (+) Aggregate

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