Selected Publications (Aug 2014 to Jun 2020)

1. M. Sankar*, P. Rathi, A. Ganesan, S. Seetharaman, P. A. Karr and F. D'Souza “A Persubstituted Triphenylamine Bearing Dendritic Zinc Porphyrin to Host Endohedral Fullerene, Sc₃N@C₈₀: Formation and Excited State Electron Transfer”, J. Phys. Chem. B 2020, 124, https://doi.org/10.1021/acs.jpcb.0c04392.

2. N. Grover and M. Sankar*, “N-Confused Porphyrin - A Unique "Turn-on” Chemosensor for F^- and CN^- ions and "Turn off" for ClO₄^- ions, Chem. Asian J. 2020, 15, https://doi.org/10.1002/asia.202000557.

3. P. Rathi, Ekta, S. Kumar, D. Banerjee, S. V. Rao and M. Sankar*, “Unsymmetrical β-Functionalized ‘Push-Pull’ Porphyrins: Synthesis, Photophysical, Electrochemical and Nonlinear Optical Properties”, Dalton Trans. 2020, 49, 3198-3208.

4. N. Chaudhri, L. Cong, A. S. Bulbul, N. Grover, W. R. Osterloh, Y. Fang, M. Sankar* and K. M. Kadish, “Structural, Photophysical, and Electrochemical Properties of Doubly Fused Porphyrins and Related Fused Chlorins”, Inorg. Chem. 2020, 59, 1481-1495.

5. N. Grover, N. Chaudhri and M. Sankar*, “β-Functionalized Dibenzoporphyrins with Mixed Substitutents Pattern: Facile Synthesis, Structural, Spectral and Electrochemical Redox Properties”, Inorg. Chem. 2019, 58, 2514-2522.

6. P. Rathi, R. Butcher and M. Sankar*, “Unsymmetrical Nonplanar ‘Push-Pull’ β-Octa-substituted Porphyrins: Facile Synthesis, Structural, Photophysical and Electrochemical Redox Properties”, Dalton Trans. 2019, 48, 15002-15011 (Highlighted in the back cover of the journal).

7. L. Cong^§, M. K. Chahal^§, R. Osterloh, M. Sankar* and K. M. Kadish, “Synthesis, Electrochemistry, and Reversible Interconversion among Perhalogenated Hydroxyphenyl Ni(II) Porphyrins, Porphodimethenes, and Porpho-5,15-bis-paraquinone Methide”, Inorg. Chem. 2019, 58, 14361-14376 (^§these authors contributed equally to this work).

8. T. A. Dar, B. Uprety, M. Sankar* and M. R. Maurya, “Robust and Electron Deficient Oxidovanadium(IV) Porphyrin Catalyst for Selective Epoxidation and Oxidative Bromination Reactions in Aqueous Media”, Green Chem. 2019, 21, 1757-1768.

9. K. Prakash, A. Z. Alsaleh, Neeraj, P. Rathi, A. Sharma, M. Sankar* and F. D’Souza, “Synthesis, Spectral, Electrochemical and Photovoltaic Studies of A₃B Porphyrinic Dyes having Peripheral Donors”, ChemPhysChem 2019, 20, 2627-2634 (Invited article for the Special Issue on Solar Cells).

10. K.  Prakash, M. Sankar*, S. Seetharaman, and F. D’Souza, “Synthesis, Electrochemical and Photochemical Studies on π-Extended Mono-β-Functionalized Porphyrin Dyads”, ChemPhotoChem. 2019, 3, 151-165.

11. K. Prakash, V. Sudhakar, K. Krishnamoorthy and M. Sankar*, “Trans-A2B2 ZnII-Porphyrin Dyes with Various Donor Groups and their Co-sensitization for Highly Efficient Dye Sensitized Solar Cells”, Dyes Pigm. 2019, 160, 386-394.

12. N. Chaudhri, L. Cong, N. Grover, W. Shan, K. Ansul, M. Sankar* and K. M. Kadish, “Synthesis and Electrochemical Characterization of Acetylacetone (acac) and Ethyl Acetate (EA) Appended β-Trisubstituted Push-Pull Porphyrins: Formation of Electronically Communicating Porphyrin Dimers”, Inorg. Chem. 2018, 57, 13213-13224.

13. R. Kumar, V. Sudhakar, K. Prakash, K. Krishnamoorthy and M. Sankar*, “Tuning the Photovoltaic Performance of DSSCs by Appending Various Donor Groups on Trans-Dimesityl Porphyrin Backbone”, ACS Appl. Energy Mater. 2018, 1, 2793-2801 (One of the Most Read articles during May-July 2018).

14. N. Chaudhri, N. Grover and M. Sankar*, “Nickel Induced Skeletal Rearrangement of Free Base trans-Chlorins into Monofused Ni(II)-Porphyrins: Synthesis, Structural, Spectral and Electrochemical Redox Properties”, Inorg. Chem. 2018, 57, 11349-11360.         

15. N. Chaudhri, N. Grover and M. Sankar*, “Selective Conversion of Planar trans-Chlorins into Highly Twisted Doubly Fused-Porphyrins or -Chlorins via Oxidative Fusion”, Inorg. Chem. 2018, 57, 6658-6668.

16. X. Ke, R. Kumar, M. Sankar* and K. M. Kadish, “Electrochemistry and Spectroelectro chemistry of Cobalt Porphyrins with π-Extending and/or Highly Electron-Withdrawing Pyrrole Substituents. In Situ Electrogeneration of σ-Bonded Complexes”, Inorg. Chem. 2018, 57, 1490-1503.

17. N. Chaudhri, R. J. Butcher and M. Sankar*, “Synthesis, Structural, Photophysical, Electrochemical Redox and Axial Ligation Properties of Highly Electron Deficient Perchlorometalloporphyrins and Selective CN^– Sensing by Co(II) Complexes”, New J. Chem. 2018, 42, 8190-8199 (Invited article for the themed issue on Equilibrium Solution Coordination Chemistry).

18. M. K. Chahal, T. A. Dar and M. Sankar*, “Facile Synthesis of Functionalized Urea, Imidazolium Salt, Azide and Triazole from 2-Amino-5,7-Dimethyl-1,8-Naphthyridine Scaffold and their Utilization in Fluoride ion Sensing”, New J. Chem. 2018, 42, 10059-10066.

19. P. K. Sonkar, M. Yadav, K. Prakash, V. Ganesan, M. Sankar, D. K. Yadav and R. Gupta, “Electrochemical sensing of rifampicin in pharmaceutical samples using meso-tetrakis(4-hydroxyphenyl)porphyrinatocobalt(II) anchored carbon nanotubes”, J. Appl. Electrochem. 2018, 48, 937-946.

20. N. Chaudhri, N. Grover and M. Sankar*, “Versatile Synthetic Route for β-Functionalized Chlorins and Porphyrins by Varying the Size of Michael Donors: Syntheses, Photophysical & Electrochemical Redox Properties”, Inorg. Chem. 2017, 56, 11532-11542 (Highlighted at ACS Inorg. Chem. journal site as HOT paper).

21. M. K. Chahal and M. Sankar*, “β-Dicyanovinyl Substituted Porphyrinogen: Synthesis, Reversible Sensor for Picric Acid among Explosives and Unique Sensor for Cyanide and Fluoride ions by Switching between Various Porphyrinoid States”, Dalton Trans. 2017, 46, 11669-11678 (Highlighted by RSTV and leading Newspapers in India).

22. P. Rathi, M. K. Chahal and M. Sankar*, “Highly Electron Deficient Tetrabenzoquinone Appended Ni(II) and Cu(II) Porphyrins: Spectral, Solvatochromism, Electrochemical Redox and Tuneable F^‒ and CN^‒ Sensing Properties”, New J. Chem. 2017, 41, 11962-11968.

23. X. Ke, P. Yadav, L. Cong, R. Kumar, M. Sankar* and K. M. Kadish, “Facile and Reversible Electrogeneration of Porphyrin Trianions and Tetraanions in Nonaqueous Media from Electron Deficient β-Substituted Porphyrins”, Inorg. Chem. 2017, 56, 8527-8537.

24. P. Yadav, M. Sankar*, X. Ke, L. Cong and K. M. Kadish, “Synthesis of π-Extended PhenylethynylCorroles and Their Intriguing Electrochemical Redox Properties”, Dalton Trans. 2017, 46, 10014-10022.

25. P. Yadav, R. Kumar, A. Kumar and M. Sankar*, “Mixed Tri β-Substituted Push-Pull Porphyrins: Synthesis, Photophysical, Electrochemical and Theoretical studies”, Eur. J. Inorg. Chem. 2017, 3269-3274.

26. M. K. Chahal, M. Sankar* and R. J. Butcher, “An Insight into Communication between β-olefin/phenyl olefin-mediated Acceptors and Porphyrin π-system: Way to establish Porphyrin based Chemodosimeters and Chemosensors”, Phys. Chem. Chem. Phys. 2017, 19, 4530-4540.

27. K. Prakash, S. Manchanda, V. Sudhakar, N. Sharma, M. Sankar* and K. Krishnamoorthy, “Facile Synthesis of β-Functionalized ‘Push-Pull’ Zn(II) Porphyrin for DSSC Applications”, Dyes Pigm. 2017, 147, 56-66.

28. P. Sonkar, K. Prakash, M. Yadav, V. Ganesan, M. Sankar, R. Gupta and D. K. Yadav, “Co(II)-Porphyrins Decorated Carbon Nanotubes as Catalysts for Oxygen Reduction Reactions: An Approach for Fuel Cell Improvement”, J. Mater. Chem. A 2017, 5, 6263-6276.

29. N. Grover, N. Chaudhri and M. Sankar*, “Facile Conversion of Ni(II) Cyclopropyl- chlorins into Novel β-Substituted Porphyrins through Acid-Catalyzed Ring-Opening Reaction”, Inorg. Chem. 2017, 56, 424-437.

30. K. Prakash and M. Sankar*, “Borylated Porphyrin and its Metal Complexes: Synthesis, Elelcrochemistry and Deprotection-Protection Strategy for Anion Sensing”, Sensor and Actuators: B Chemical 2017, 240, 709-717. 

31. M. K. Chahal and M. Sankar*, “Switching between Porphyrin, Porphodimethene and Porphyrinogen using Cyanide and Fluoride ions mimicking Volatile Molecular Memory and 'NOR' Logic Gate”, Dalton Trans. 2016, 45, 16404-16412.

32. N. Grover, M. Sankar*, Y. Song and K. M. Kadish, “Asymmetrically Crowded ‘Push-Pull’ Octaphenylporphyrins with Modulated Frontier Orbitals: Syntheses, Photophysical and Electrochemical Redox Properties”, Inorg. Chem. 2016, 55, 584-597 (Highlighted as HOT PAPER and one of the most read article during Jan 2016).

33. R. Kumar, M. Sankar*, V. Sudhakar and K. Krishnamoorthy, “Synthesis and Characterisation of Simple Cost-effective Trans-A2BC-porphyrins with Various Donor Groups for Dye-Sensitized Solar Cells”, New. J. Chem. 2016, 40, 5704-5713 (an Invited article for the themed issue on Nitrogen Ligands). 

34. R. Kumar, N. Chaudhary, M. Sankar* and M. R. Maurya, “Electron Deficient Nonplanar β-Octachlorovanadylporphyrin as Highly Efficient and Selective Epoxidation Catalyst for Olefins”, Dalton Trans. 2015, 44, 17720-17729.

35. R. Kumar, N. Chaudhri and M. Sankar*, “Naked eye Selective Detection of CN^‒ ions by Electron Deficient Ni(II) Porphyrins and their Reversibility Studies”, Dalton Trans. 2015, 44, 9149-9157 (One of the "Most accessed articles" during April 2015).

36. R. Kumar and M. Sankar*, “Synthesis, Spectral, and Electrochemical Studies of Electronically Tunable β-Substituted Porphyrins with Mixed Substituent Pattern”, Inorg. Chem. 2014, 53, 12706-12719.

37. P. Yadav and M. Sankar*, “Synthesis, Spectroscopic and Electrochemical studies of Phosphoryl and Carbomethoxy Substituted Corroles and their Anion Detection Properties”, Dalton Trans. 2014, 43, 14680-14688 (One of the "Most accessed articles" during August 2014).

Oral presentation at the International and National Conferences (2014 - till date): 

1. M. Sankar, 'β-Functionalized Porphyrins, Chlorins and Corroles: Syntheses and Their Applications  in Sensing, Catalysis and DSSCs' an invited talk presented at the Conference on Emerging Trends in Chemical Sciences - 2019 (ETCS-2019) held at University of Jammu, Jammu, India organized by Central University of Jammu during March 14-15, 2019.

2. M. Sankar, 'Synthesis and Applications of Meso- and β-Functionalized Porphyrinoids' an invited talk presented at the International Conference on Chemical Sciences and Nanometerials - 2019 (ICCSN-2019) held at VIT University, Vellore, India during March 7-9, 2019.

3. P. Yadav, M. Sankar*, X. Ke, L. Cong and K. M. Kadish* 'Synthesis, Spectral and Electrochemical Properties of Highly Reducible π-Extended Copper Corroles' oral presentation at the 10^th International Conference on Porphyrins and Phthalocyanines (ICPP-10) held at Munich, Germany during July 1-6, 2018.

4. N. Grover, N. Chaudhri and M. Sankar* 'Synthesis, Structural, Spectral and Intriguing Electrochemical Redox Properties of  Difused-Chlorins and Porphyrins' oral presentation at the 233^rd Electrochemical Society (ECS) meeting held at Seattle, USA during May 13-17, 2018.

5. K. Prakash, R. Kumar and M. Sankar* 'DSSC and Electrocatalytic Applications of β- and Meso-Functionalized Porphyrins' invited oral presentation at the 5^th Symposium on Biological Inorganic Chemistry (SABIC-5) held at Kolkata, India during January 7-11, 2017.

6. M. Sankar* 'Naked-eye Detection of Toxic Anions and Picric Acid using Porphyrinoid Chemosensors and their Reusability Studies' invited lecture at the 6^th National Symposium on Advances in Chemical Sciences held at Guru Nanak Dev University, Amritsar during March 6-7, 2017.

7. M. K. Chahal, N. Chaudhri, K. Prakash, R. Kumar, N. Grover, P. Yadav and M. Sankar* 'Naked-eye Detection of Toxic Anions using Porphyrinoid Chemosensors and their Reusability Studies' invited oral presentation at the 9^th International Conference on Porphyrins and Phthalocyanines (ICPP-9) held at Nanjing, China during July 3-8, 2016.

8. R. Kumar, N. Chaudhri, M. Chahal and M. Sankar*, 'Ratiometric and Colorimetric ‘Naked-eye’ Selective Detection of CN^‒ ions by Porphyrinic Chemosensors and their Reversibility Studies' oral presentation at 6^th EuCheMS Conference on Nitrogen Ligands, September 13-17, 2015 at Beaune, France.

9. M. Sankar*, 'Asymmetric β-Substitution: An Inventive Path to Modulate Photophysical and Electrochemical Redox Properties'. Invited Talk delivered at 16^th Symposium on Modern Trends in Inorganic Chemistry (MTIC-XVI) held at Jadavpur University, Kolkata, India during December 3-5, 2015.

10. N. Grover, N. Chaudhri, R. Kumar, M. K. Chahal and M. Sankar* 'Synthesis and Applications of Asymmetric β- and Meso-Substituted Porphyrins' an invited talk delivered at Frontiers in Inorganic and Organometallics held at IIT Indore, Simrol, India during April 14-15, 2016.

11. R. Kumar, N. Chaudhri, M. Chahal and M. Sankar*, 'Ratiometric and Colorimetric ‘Naked-eye’ Selective Detection of CN^‒ ions by Porphyrinic Chemosensors and their Reversibility Studies' oral presentation at 6^th EuCheMS Conference on Nitrogen Ligands, September 13-17, 2015 at Beaune, France.

 12. R. Kumar, N. Grover, N. Chaudhri, K. Praksh and M. Sankar* 'Asymmetrically β-Substituted Porphyrins: Synthesis, Photophysical and Electrochemical Redox Properties' oral presentation at the 227^th Electrochemical Society (ECS) meeting held at Chicago, USA during May 25-28, 2015.

13. R. Kumar, N. Grover and M. Sankar* 'Synthesis and Studies on β-Substituted Novel Push-Pull Porphyrins' oral presentation at the 8^th International Conference on Porphyrins and Phthalocyanines (ICPP-8) held at Istanbul, Turkey during June 22-27, 2014.