45. Vijayakumar, S., Varghese, S. M., Ghosh, S., Lobo, N. P., Rakhi, R. B., Ajayaghosh, A.*: Mellitic Trianhydride Derived Crystalline and Amorphous Polyimide Networks Exhibit Structure Dependent Electrochemical Properties.

ChemistryEurope 2026, 4, e202500373 . 

44. Philips, D. S., Ghosh, S., Saeki, A., Ajayaghosh, A.*: Structural Tweaking of Zwitterionic Metallosupramolecular Assemblies for Intense NIR Emission and High Charge Carrier Mobility.

Angew. Chem. Int. Ed. 2025, e202516126 . (IF = 16.6) 

43. Bansal, D.,* Nada, A. A.,* Ghosh, S., Panday, I. K., Boscher. N. D.*: Porphyrin-based polyimide 2D porous organic polymers: band engineering for bifunctional electrocatalytic OER and HER.

Mater. Adv., 2025, Advance Article. (IF = 4.7)

42. Wakekar, S., Jana, B., Yarramsetti, S., Ghosh, S., Patro, L. N., Maram, P. S., Shanmugam, M., Das. C.*: Hybrid polysaccharide–NaI derived transparent and flexible solid-state electrolyte films for sustainable design of supercapacitors.

J. Mater. Chem. A, 2025, Advance Article. (IF = 10.3)

41. Alam, A., Chakrabortty, P., Chakraborty, A., Ghosh, S.,* Pachfule. P.*: Donor–Acceptor Covalent Organic Frameworks for Photocatalytic Water Oxidation and Oxygen Reduction Reactions.

ChemCatChem. 2025, Accepted. (IF = 4.5)

40. Dippold, V., Küçükkeçeci, H.; Bosler, E.; Schmidt, J., Ghosh, S., Michl, G., Khalil, I. E., Gerland, L., Lange, A., Oberschmidt, D., Thomas, A.*: Carbazole‐Based Thin Microporous Polymer Films for Photocatalytic Hydrogen Evolution.

Adv. Mater. 2025, 2506689. (IF = 27.4)

39. Li, Z., Paitandi, R. P., Tsutsui, Y., Matsuda, W., Nobuoka, M., Chen, B., Ghosh, S., Tanaka, T., Suda, M., Zhu, T., Kageyama, H.,* Miyake, Y.,* Shinokubo, H.,* Takagi, M., Shimazaki, T., Tachikawa, M.,  Suzuki, K., Kaji, H., Ando, Y., Ezaki, T., Shu Seki, S.*: Rolling two-dimensional covalent organic framework (COF) sheets into one-dimensional electronic and proton-conductive nanotubes.

PNAS. 2025, 122, e2424314122. (IF = 9.4)

38. Mishra, B.,  Alam, A., Chakraborty, A., Kumbhakar, B., Ghosh, S.,* Pachfule, P.,* Thomas, A.,*: Covalent Organic Frameworks for Photocatalysis.

Adv. Mater. 2024, doi.org/10.1002/adma.202413118 (IF = 27.4)

37. Seki, S.,* Paitandi, R. P., Choi, W., Ghosh, S., Tanaka, T.: Electron Transport over 2D Molecular Materials and Assemblies.

Acc. Chem. Res. 2024, 57, 18, 2665–2677. (IF = 16.4)

36. Roy, B. C., Ramlal, V. R., Basak, D., Basak, S., Roy, S., Ghosh, S., Mahapatra, T. S.,*: Light-Emitting Coordination Polymers: Stimuli-Responsive Gels, PMMA-Based Composite Films, and UV-Shielding.

Inorg. Chem. 2024, 63, 23044–23056. (IF = 4.3)

35. Asgari, D., Grüneberg, J., Luo, Y., Küçükkeçeci, H., Ghosh, S., Chevelkov, V.,  Fischer-Lang, S., Roeser, J., Lange, A., Dunn, B., Gradzielski, M., Thomas, A.*: An anionic two dimensional covalent organic framework from tetratopic borate centres pillared by lithium ions.

Nat Commun, 2024, 15, 7031. (IF = 14.7)

34. Li, Z., Tsuneyuki, T., Paitandi, R. P., Nakazato, T., Odawara, M., Tsutsui, Y., Tanaka, T., Miyake, Y., Shinokubo, H., Takagi, M., Shimazaki, T., Tachikawa, M., Suzuki, K., Kaji, H., Ghosh, S.,* Seki, S.*: Ultrafine Spatial Modulation of Diazapyrene-Based Two-Dimensional Conjugated Covalent Organic Frameworks.

J. Am. Chem. Soc. 2024, 146, 33, 23497–23507. (IF = 14.4)

33. Alam, A., Kumbhakar, B., Chakraborty, A., Mishra, B., Ghosh, S.,* Thomas, A.,* Pachfule, P. * : Covalent Organic Frameworks for Photocatalytic Hydrogen Peroxide Generation.

ACS Materials Lett. 2024, 6, 5, 2007–2049. (IF = 9.6)

32. Ghosh, S.,* Küçükkeçeci, H., Paitandi, R. P., Weigelt, V., Dippold, V., Seki, S.,* Thomas, A.* : Low band gap semiconducting covalent organic framework films with enhanced photocatalytic hydrogen evolution.

J. Mater. Chem. A, 2024, 12, 247-255. (IF = 10.7)

31. Ghosh, S. : Covalent Organic Framework-based Hybrid Materials and Their Applications.

Book Chapter: Covalent Materials and Hybrids: From 0D to 3D.

30. Maity, N., Sharma, M. K., Ghosh, S., Huss-Hansen, M. K., Roy, A., Narayanan, R., Knaapila, M., Matsuda, W., Seki,* S., Patil, S.*: Supramolecular Self-Assembly of Diketopyrrolopyrrole with Unprecedented Photoconductivity.

ACS Appl. Electron. Mater., 2023, 5, 9, 5093–5102. (IF = 4.3)

29. Tan, K. T., Ghosh, S., Wang, Z., Wen, F., Rodríguez-San-Miguel, D., Feng, J., Huang, N., Wang, W., Zamora, F., Thomas, A., Jiang, D.*: Covalent Organic Frameworks.

Nat Rev Methods Primers, 2023, 3, 1. (IF = 50.1)

28. Yang, J., Ghosh, S., Roeser, J., Acharjya, A., Penschke, C., Tsutsui, Y., Rabeah, J., Wang, T., Tameu, S. Y. D., Ye, M-Y., Grüneberg, J., Li, S., Li, C., Schomäcker, R., Krol, R. V. D.,

Seki, S., Saalfrank, P., Thomas, A.*: Constitutional isomerism of the linkages in donor–acceptor covalent organic frameworks and its impact on photocatalysis.

Nat Commun, 2022, 13, 6317. (IF = 14.7)

27. Ghosh, S., Prasanthkumar, S., Das, S., Saeki, A., Seki, S., Ajayaghosh, A.*: Structurally directed thienylenevinylene self-assembly for improved charge carrier mobility: 2D sheets vs. 1D fibers​.

Chem. Commun., 2022, 58, 6837-6840. (IF = 4.3)

26. Kumar, S.,* Koo, Y. H., Higashino, T., Matsuda, W., Ghosh, S., Tsutsui, Y., Suda, M., Imahori, H., Suzuki, K., Kaji, H., Seki, S. *: Truxenone Triimide: Two-Dimensional Molecular Arrangements of Triangular Molecules for Air Stable n-Type Semiconductors.

Adv. Electron. Mater., 2022, 2101390. (IF = 5.3)

25. Ghosh, S.,* Tsutsui, Y.,* Kawaguchi, T., Matsuda, W., Nagano, S., Suzuki, K., Kaji, H., Seki, S.*: Band-like Transport of Charge Carriers in Oriented Two-Dimensional Conjugated Covalent Organic Frameworks.

Chem. Mater., 2022, 34, 736–745. (IF = 7.2). (As Corresponding Author) ACS Editors Choice

24. Peng, L., Guo, Q., Song, C., Ghosh, S., Xu, H., Wang, L., Hu, D., Shi, L., Zhao, L., Li, Q., Sakurai, T., Yan, H., Seki, S., Liu, Y., Wei, D.*: Ultra-fast single-crystal polymerization of large-sized covalent organic frameworks.

Nat Commun, 2021,  12, 5077. (IF = 14.7)

23. Haldar, R., Kozlowska, M., Ganschow, M., Ghosh, S., Jakoby, M., Chen, H., Ghalami, F., Xie, W.,Heidrich, S., Tsutsui, Y., Freudenberg, J., Seki, S., Howard, I. A., Richards, B. S., Bunz, U. BF., Elstner, M., Wenzel, W., Wöll, C.*: Interplay of structural dynamics and electronic effects in anengineered assembly of pentacene in a metal–organic framework. 

Chem. Sci., 2021, 12, 4477-4483. (IF = 7.6)

21. Yu, X., Wang, B., Kim, Y., Park, J., Ghosh, S., Dhara, B., Mukhopadhyay, R.D., Koo, J., Kim, I., Kim,S., Hwang, I-C., Seki, S.,* Guldi, D.M.,* Baik, M-H,* Kim, K.*, Supramolecular Fullerene Tetramers Concocted with Porphyrin Boxes Enable Efficient Charge Separation and Delocalization. 

J. Am. Chem. Soc. 2020, 142, 12596–12601. (IF = 14.4) 

20. Tsutsui, Y,* Zhang, W, Ghosh, S., Sakurai, T, Yoshida, H, Ozaki, M, Akutagawa, T, Seki, S.*: Electrically Switchable Amplified Spontaneous Emission from Liquid Crystalline Phase of AIEEActive ESIPT Molecules.

Adv. Optical Mater. 2020, 8, 1902158. (IF = 8.0) 

(Inside Front Cover)

19. Chakraborty, S., Joseph, M. M., Varughese, S., Ghosh, S., Maiti, K. K., Samanta, A.,* Ajayaghosh, A.,* A new pentacyclic pyrylium fluorescent probe that responds to pH imbalance during apoptosis. 

Chem. Sci. 2020, 11, 12695-12700. (IF = 7.6)

18. Ghosh, S., Shankar, S.,* Philips, D. S., Ajayaghosh, A.*: Diketopyrrolopyrrole-based functional supramolecular polymers: next-generation materials for optoelectronic applications.

Materials Today Chemistry, 2020, 16, 100242. (IF = 6.7)

17. Sharma, S., Ghosh, S., Ahmed, T., Ray, S., Islam, S., Salzner, U., Ghosh, A., Seki, S., Patil, S.*: Fermi Level Pinning Induced by Doping in Air Stable n-Type Organic Semiconductor.

ACS Appl. Electron. Mater. 2020, 2, 66-73. (IF = 4.3)

16. Hecht, M., Schlossarek, T., Ghosh, S., Tsutsui, Y., Schmiedel, A., Holzapfel, M., Stolte, M., Lambert, C., Seki, S., Lehmann, M.,* Würthner, F.*: Nanoscale Columnar Bundles Based on Multistranded CoreShell Liquid Crystals of Perylene Bisimide J-Aggregate Donor-Acceptor Dyads for Photoconductivity Devices with Enhanced Performance Through Macroscopic Alignment. 

ACS Appl. Nano Mater. 2020, 3, 10234–10245. (IF = 5.3)

15. Ghosh, S.,* Tsutsui, Y., Suzuki, K., Kaji, H.; Honjo, K.; Uemura, T.; Seki, S.*: Impact of the Position of Imine-Linker over Optoelectronic Performance of π-Conjugated Organic Frameworks.

Mol. Syst. Des. Eng. 2019, 4, 325-331. (IF = 3.2) 

(As a Corresponding Author, Front Cover Art). 

14. Ghosh, S., Raveendran R., Saeki A., Seki S.,* Namboothiry M. A. G., Ajayaghosh, A.,*: Charge Carrier Polarity Modulation in Diketopyrrolopyrrole–Based Low Band Gap Semiconductors by Terminal Functionalization. 

ACS Appl. Mater. Interfaces, 2019, 11, 1088–1095. (IF = 8.3)

13. Sakamaki, D., Ghosh, S., Seki, S.*: Dynamic Covalent Bonds: Approaches from Stable Radical Species.

Materials Chemistry Frontiers, 2019, 3, 2270-2282. (IF = 6.0)

12. Motomura, Y., Hattori, Y., Sakurai, T., Ghosh, S., Seki, S.*: A Impact of Unsymmetrical Alkyl–Fluoroalkyl Side Chains over Coil-to-Rod Transition of Soluble Polyacetylenes: Modulation of ElectronicConjugation of Isolated Chains and Their Self-Assembly. 

Macromolecules 2019, 52, 4916-4925. (IF = 5.1)

11. Hattori, Y., Nishimura, N., Tsutsui,Y., Ghosh, S., Sakurai, T., Sugiyasu, K., Takeuchi, M., Seki, S.*: Rod-like transition first or chain aggregation first? ordered aggregation of rod-like poly(p-phenyleneethynylene) chains in solution.

Chem. Commun. 2019, 55, 13342-13345. (IF = 4.3)

(Front Cover Art).

10. Ghosh, S., Das, S., Saeki, A., Seki, S., Praveen, V. K., Ajayaghosh, A.*: A Hybrid Organogel of a Low Band Gap Diketopyrrolopyrrole with PC71BM: Phase Separated Morphology and Enhanced Photoconductivity. 

ChemNanoMat 2018, 4, 831. (IF = 2.6) (Cover Page)

9. Madoori, M., Shiva Prasad, A. B., Ghosh, S., Koteshwar, D., Prasanthkumar, S.,* Lingamallu, G.*: Unveiling the Reversibility of Crystalline Amorphous Nanostructures via Sonication Induced Protonation.

J. Phys. Chem. C. 2018, 122, 10255. (IF = 3.3) 

7. Ghosh, S., Philips, D. S., Saeki, A.,* Ajayaghosh, A.*: Nanosheets of Organic Molecular Assembly from Aqueous Medium Exhibit High Solid State Emission and Anisotropic Charge Carrier Mobility. 

Adv. Mater. 2017, 29, 1605408. (IF = 27.4) 

6. Cherumukkil, S., Ghosh, S., Praveen, V. K., Ajayaghosh, A.*: An Unprecedented Amplification of Near-Infrared Emission in a Bodipy Derived π-System by Stress or Gelation.                                                       

Chem. Sci. 2017, 8, 5644. (IF = 7.6) 

5. Philips, D. S., Ghosh, S., Sudheesh, K. V., Suresh, C. H., Ajayaghosh, A.*: An Unsymmetrical Squaraine Dye based Chemical Platform for Multiple Analyte Recognition. 

Chem.-Eur. J. 2017, 23, 17973. (IF = 3.9)                             

4. Ghosh, S., Praveen, V. K., Ajayaghosh, A.*: 

The Chemistry and Applications of π-gels.

Annu. Rev. Mater. Res., 2016, 46, 235.  (IF = 10.6)

3. Achary, B. S., Gokulnath, S., Ghosh, S., Mrinalini, M., Prasanthkumar, S.,* Giribabu, L.*: Unprecedented Charge‐Transfer Complex of Fused Diporphyrin as Near‐Infrared Absorption‐Induced High‐Aspect‐Ratio Nanorods. 

Chem. Asian J. 2016, 11, 3498. (IF = 3.5) 

2. Prasanthkumar, S., Ghosh, S., Nair, V. C., Saeki, A., Seki, S., Ajayaghosh, A.*: Organic donor–acceptor assemblies form coaxial p–n heterojunctions with high photoconductivity. 

Angew. Chem. Int. Ed. 2015, 54, 946. (IF = 16.1) 

1. García, F., Buendía, J., Ghosh, S., Ajayaghosh, A.,* Sánchez, L.*: Luminescent and conductive supramolecular polymers from an N-annulated perylenedicarboxamide.                                                  

Chem. Commun. 2013, 49, 9278. (IF = 4.3)