Research Group Publications

 
  • Singh A, Singh A K, Dixit R, Vanka K, Krishnamoorthy K And Nithyanandhan J, Visible, Far-red and NIR Active Unsymmetrical Squaraine Dyes based on Extended Conjugation within the Polymethine Framework for Dye-sensitized Solar Cells, ACS Appl. Energy Mater., 7, 1461 - 1475 (2024), DOI:10.1021/acsaem.3c02610.
  • Singh A, Singh A K, Dixit R, Vanka K, Krishnamoorthy K And Nithyanandhan J, Effect of Position of Donor Units and Alkyl Groups on Dye2 Sensitized Solar Cell Device Performance: Indoline?Aniline Donor3 Based Visible Light Active Unsymmetrical Squaraine Dyes, ACS Omega., 9, 16429 - 16442 (2024), DOI:10.1021/acsomega.4c00123.
  • Jadhav A P, Singh A K, Pandya R, Vanka K, Krishnamoorthy K And Nithyanandhan J, Far-red Active Unsymmetrical Squaraine Dyes Containing N-Arylated Indoline Donors for Dye Sensitized Solar Cells, Photochem Photobiol., 00, 1 - 11 (2024), DOI:DOI: 10.1111/php.13907.
  • Jadhav A P, Singh A K, Maibam A, Krishnamurty S, Krishnamoorthy K And Nithyanandhan J, Aniline and Indoline Donors Based Far-Red Active Unsymmetrical Squaraine Dyes for Dye Sensitized Solar Cells, ChemPhotoChem., 8, e202300160 (2024), DOI:10.1002/cptc.202300160.
  • Deshmukh S, Maibam A, Krishnamurty S, Krishnamoorthy K And Nithyanandhan J, Visible Light Active Unsymmetrical Squaraine Dyes with Pyridyl Anchoring Group for Dye-Sensitized Solar Cells, Langmuir., 40, 251 - 263 (2023), DOI:10.1021/acs.langmuir.3c02474.
  • Nawghare I S, Singh A K, Maibam A, Krishnamurty S, Krishnamoorthy K And Nithyanandhan J, Steric and Electronic Effect in Unsymmetrical Squaraine Dyes for Dye-Sensitized Solar Cells, J. Phys. Chem. C., 127, 22473 - 22488 (2023), DOI:10.1021/acs.jpcc.3c05222.
  • Nawghare I S, Singh A K, Maibam A, Deshmukh S S, Krishnamurty S, Krishnamoorthy K And Nithyanandhan J, Halogen Functionalized D-A-D Type Unsymmetrical Squaraine Dyes for Dye-Sensitized Solar Cells, Materials Advances., 4, 3270 - 3284 (2023), DOI:DOI: 10.1039/D3MA00277B.
  • Singh A, Singh A K, Dixit R, Vanka K, Krishnamoorthy K And Nithyanandhan J, Visible-Light Active Unsymmetrical Squaraine Dyes with 1 V of Open-Circuit Voltage For Dye-sensitized Solar Cell, ChemPhotoChem., 7, e202200328 (2023), DOI:10.1002/cptc.202200328.
  • Singh A K, Sudhkar V, Bisht R, Javaregowda B H, Krishnamoorthy K And Nithyanandhan J, Modular TiO2-Squaraine Dyes/Electrolyte Interface for the Dye-Sensitized Solar Cells with Cobalt Electrolyte, ChemPhotoChem., 7, e202200171 (2023), DOI:10.1002/cptc.202200171.
  • Jadhav A P, Singh A K, Maibam A, Krishnamurty S, Krishnamoorthy K And Nithyanandhan J, D-A-D Based Unsymmetrical Thiosquaraine Dye for the Dye-Sensitized Solar Cells, Photochem. Photobiol., 99, 529 - 537 (2023), DOI:10.1111/php.13769.
  • Singh A K And Nithyanandhan J, Indoline-Based Donor-pi-Acceptor Visible-Light Responsive Organic Dyes for Dye-sensitized Solar Cells: Co-Sensitization with Squaraine Dye for Panchromatic IPCE Response, ACS Appl. Energy Mater., 5, 1858 - 1868 (2022), DOI:10.1021/acsaem.1c03343.
  • Singh A K, Kavungathodi M F M, Mozer A J, Krishnamoorthy K And Nithyanandhan J, Solvent Dependent Functional Aggregates of Unsymmetrical Squaraine Dyes on TiO2 Surface for Dye-Sensitized Solar Cells, Langmuir., 38, 14808 - 14818 (2022), DOI:10.1021/acs.langmuir.2c02469.
  • Singh A K And Nithyanandhan J, Amphiphilic Indoline Based Unsymmetrical Squaraine Dyes for Dye-Sensitized Solar Cells: Modulating the Dye-TiO2/Electrolyte Interface for Non-Aqueous and Aqueous Electrolytes, ACS Appl. Energy Mater., 4, 13932 - 13942 (2021), DOI:10.1021/acsaem.1c02733.
  • Singh A K, Veetil A N And Nithyanandhan J, D-A-D Based Complementary Unsymmetrical Squaraine Dyes for Co-Sensitized Solar Cells: Enhanced Photocurrent Generation and Suppressed Charge Recombination Processes by Controlled Aggregation, ACS Appl. Energy Mater., 4, 3182 - 3193 (2021), DOI:10.1021/acsaem.0c02966.
  • Singh A K, Maibam A, Javaregowda B H, Bisht R, Kudlu A, Krishnamurty S, Krishnamoorthy K And Nithyanandhan J, Unsymmetrical Squaraine Dyes for Dye-Sensitized Solar Cells: Position of Anchoring Group Controls the Orientation and Self-Assembly of Sensitizers on TiO2 Surface and Modulate Its Flat Band Potential, J. Phys. Chem. C., 124, 18436 - 18451 (2020), DOI:10.1021/acs.jpcc.0c05176.
  • Singh A K, Mele Kavungathodi M F And Nithyanandhan J., Alkyl-Group-Wrapped Unsymmetrical Squaraine Dyes for Dye-Sensitized Solar Cells: Branched Alkyl Chains Modulate the Aggregation of Dyes and Charge Recombination Processes, ACS Applied Materials & Interfaces., 12, 2555 - 2565 (2020), DOI:10.1021/acsami.9b19809.
  • Punitharasu V, Mele Kavungathodi M F, Singh A K And Nithyanandhan J., pi-Extended cis-Configured Unsymmetrical Squaraine Dyes for Dye-sensitized Solar Cells: Panchromatic Response, ACS Appl. Energy Mater., 2, 8464 - 8472 (2019), DOI:10.1021/acsaem.9b01341.
  • Usgaonkar S, Deshmukh S, Biswas B, Karjule N, Yadav P, Nithyanandhan J And Kumaraswamy G, Light-Triggered, Spatially Localized Chemistry by Photoinduced Electron Transfer, Angew. Chem. Int. Ed., 58, 2715 - 2719 (2019), DOI:10.1002/anie.201812700.
  • Sil M C, Kavungathodi M F M And Nithyanandhan J, Effect and Position of Spiro-Bipropylenedioxythiophene pi-Spacer in Donor-pi-Spacer-Acceptor Dyes for Dye-Sensitized Solar Cell, Dyes and Pigments., 161, 313 - 323 (2019), DOI:10.1016/j.dyepig.2018.09.056.
  • Bisht R, Kavungathodi M F M And Nithyanandhan J, Indenoquinaldine Based Unsymmetrical Squaraine Dyes for Near-Infrared Absorption: Investigating the Steric and Electronic Effects in Dye-Sensitized Solar Cells, Chem. Eur. J., 24, 16368 - 16378 (2018), DOI:10.1002/chem.201803062.
  • Sil M C, Sudhakar V, Singh A, Kavungathodi M F M And Nithyanandhan J, Homo- and Heterodimeric Dyes for Dye-sensitized Solar Cells: Panchromatic Light Absorption and Modulated Open Circuit Potential, ChemPlusChem., 83, 998 - 1007 (2018), DOI:10.1002/cplu.201800450.
  • Bisht R, Sudhakar V, Mele Kavungathodi M F, Karjule N And Nithyanandhan J, Fused Fluorenylindolenine Donor based Unsymmetrical Squaraine Dyes for Dye-sensitized Solar Cells, ACS Applied Materials & Interfaces., 10, 26335 - 26347 (2018), DOI:10.1021/acsami.8b09866.
  • Bisht R, Singh S, Krishnamoorthy K And Nithyanandhan J, Modulated Photochemical Reactivities of O-Acetylated (3’,5’-Dimethoxyphenyl)heteroaryl Acyloin Derivatives Under Direct Irradiation And Photo-induced Electron Transfer Conditions, Photochem. Photobiol. Sci., 17, 835 - 845 (2018), DOI:10.1039/C8PP00082D.
  • Neeta K, Sharma M K, Nithyanandhan J And Kulkarni A, Modulation of reactivity of singlet radical pair in continuous flow: Photo-Fries rearrangement, J. Photochem. Photobiol. A: Chem., 364, 316 - 321 (2018), DOI:10.1016/j.jphotochem.2018.06.014.
  • Punitharasu V, Mele Kavungathodi M F And Nithyanandhan J, Self-Assembly of Cis-Configured Squaraine Dyes at the TiO2-Dye Interface: Far-Red Active Dyes for Dye-Sensitized Solar Cells, ACS Applied Materials and Interfaces., 10, 16541 - 16551 (2018), DOI:10.1021/acsami.8b03106.
  • Punitharasu V, Mele Kavungathodi M F And Nithyanandhan J., Interplay between pi-Bridges and Positions of Branched Alkyl Groups of Unsymmetrical D–A–D-pi spacer–A Squaraines in Dye-Sensitized Solar Cells: Mode of Dye Anchoring and the Charge Transfer Process at the TiO2/Dye/Electrolyte Interface, ACS Applied Materials and Interfaces., 9, 32698 - 32712 (2017), DOI:10.1021/acsami.7b08346.
  • Karjule N, Mele Kavungathodi M F And Nithyanandhan J, Molecular Control of Overpotential and Recombination Process in Donor-Acceptor Hemicyanine Sensitized Solar Cells, J. Phys. Chem. C., 121, 21836 - 21847 (2017), DOI:10.1021/acs.jpcc.7b04623.
  • Sil M C, Sudhakar V, Mele Kavungathodi M F, Punitharasu V And Nithyanandhan J, Orthogonally Functionalized Donor/Acceptor Homo- and Heterodimeric Dyes for Dye-Sensitized Solar Cells: An Approach to Introduce Panchromaticity and Control the Charge Recombination, ACS Applied Materials and Interfaces., 9, 34875 - 34890 (2017), DOI:10.1021/acsami.7b09010.
  • Bisht, R.; Munavvar M. M. K.; Singh, A. K.; Nithyanandhan And J., Panchromatic sensitizer for dye-sensitized solar cells: Un-symmetrical squaraine dyes incorporating benzodithiophene pi-spacer with alkyl chains to extend conjugation, control the dye assembly on TiO2 and retard charge recombination, J. Org. Chem., 82, 1920 - 1930 (2017), DOI:10.1021/acs.joc.6b02670.
  • Singh Y, Raj A M, Kiran B M, Nithyanandhan J, Ramamurthy V, Jayaraman And N, A dendrimer facilitates resonance energy transfer between hydrophobic aromatic guest molecules in water, J. Photochem. Photobiol A Chem., 317, 125 - 131 (2016).
  • Karjule N, Mele Kavungathodi M F And Nithyanandhan J, Heterotriangulene-based unsymmetrical squaraine dyes: synergistic effects of donor moieties and outof-plane branched alkyl chains on dye cell performance, J. Mater. Chem. A., 4, 18910 - 18921 (2016), DOI:10.1039/C6TA08651A.
    (Selected for themed collection of 2016 Journal of Materials Chemistry A HOT Papers)
  • Ananthan A, Mele Kavungathodi M F, Punitharasu V, Sil M C And Nithyanandhan J, Effect of out-of-plane alkyl group’s position in dye sensitized solar cell efficiency: A structure-property relationship utilizing indoline based unsymmetrical squaraine dyes, ACS Applied Mater. Interfaces., 8, 35353 - 35367 (2016), DOI:10.1021/acsami.6b12730.
  • Nithyanandhan J, Jagadesan P, Samanta S R, Da Silva J P And Ramamurthy V, Release of a Guest by Disassembling a Capsule Through a Photo triggering Process, Org. Lett., 15, 4374 - 4377 (2013).
  • Ramasamy E, Nithyanandhan J, Porel M And Ramamurthy V, Excited state chemistry of new capsular assemblies in aqueous solutions and on silica surfaces, Langmuir., 28, 10 - 16 (2012).
  • Natarajan B, Gupta S, Nithyanandhan J, Ramamurthy V And Jayaraman N, Dynamic Internal Cavities of Dendrimers as Constrained Media. A Study of Photochemical Isomerizations of Stilbene and Azobenzene Using Poly(Alkyl Aryl Ether) Dendrimers, J. Org. Chem., 77, 2219 - 2224 (2012).
  • Samanta S R, Kulasekaran R, Choudhury R, Jagadesan P, Nithyanandhan J And Ramamurthy V, Gold nanoparticles funtionalized with deep cavity cavitands: Synthesis, characterization and photophysical studies, Langmuir., 28, 11920 - 11928 (2012).
  • Baldridge A, Samanta S R, Nithyanandhan J, Ramamurthy V And Tolbert L M, Steric and Electronic effects in Capsule-Confined GFP Chromophores, J. Am. Chem. Soc., 133, 712 - 715 (2011).
  • Nithyanandhan J, Jockusch S, Kaanumalle L S, Turro N J And Ramamurthy V, Dynamics of Capsuleplex Formed Between Octa Acid and Organic Guest Molecules: Photophysical Techniques Reveal the Opening and Closing of Capsuleplex, Can. J. Chem., 89, 203 - 213 (2011).
  • Da Silva J P, Nithyanandhan J, Jockusch S, Turro N J And Ramamurthy V, Aggregates of cucurbituril complexes in the gas phase, Org. Lett., 13, 2410 - 2413 (2011).
  • Baldridge A, Samanta S R, Nithyanandhan J, Ramamurthy V And Tolbert L M, Activation of Fluorescent Protein Chromophores by Encapsulation, J. Am. Chem. Soc., 132, 1498 - 1499 (2010).
  • Kulasekharan R, Nithyanandhan J, Porel M, Choudhury R, Sundaresan A K, Parthasarathy A, Ottaviani M F, Jockusch S, Turro N J And Ramamurthy V, Guest Rotations within a Capsuleplex Probed by NMR and EPR Techniques, Langmuir., 26, 6943 - 6953 (2010).
  • Nithyanandhan J, Maddipatla M V S N, Prabhakar R, Jockusch S, Turro N J And Ramamurthy V, A closed nano-container enables thioketones to phosphoresce at room temperature in aqueous solution, J. Phys. Chem. B., 114, 14320 - 14328 (2010).
  • Porel M, Ottaviani M F, Jockusch S, Nithyanandhan J, Turro N J And Ramamurthy V, Suppression of spin-spin coupling in nitroxyl biradicals by supramolecular host-guest interactions, Chem. Commun., 46, 7736 - 7738 (2010).
  • Jockusch S, Zeika O, Nithyanandhan J, Ramamurthy V And Turro N J, Electron Spin Polarization Transfer from a Nitroxide Incarcerated within a Nanocapsule to a Nitroxide in the Bulk Aqueous Solution, J. Phys. Chem. Lett., 1, 2628 - 2632 (2010).
  • Porel M, Nithyanandhan J, Raghothama S And Ramamurthy V, Chemistry in Confined Spaces: High Energy Conformer of a Piperidine Derivative is Favored within a Water-soluble Capsuleplex, Org. Lett., 12, 4544 - 4547 (2010).
  • Nithyanandhan J, Porel M, Ottaviani M F, Maddipatla M V S N, Modelli A, Da Silva J P, Bhogala B R, Captain B, Jockusch S, Turro N J And Ramamurthy V, Self Aggregation of Supramolecules of Nitroxides@Cucurbit[8]uril Revealed by EPR Spectra, Langmuir., 25, 13820 - 13832 (2009).
  • Nithyanandhan J, Zhao Y –P, Parthasarathy A, Porel M, Liu R S H And Ramamurthy V, Nature of Supramolecular Complexes Controlled by the Structure of the Guest Molecules: Formation of Octa Acid Based Capsuleplex and Cavitandplex, Langmuir., 25, 10575 - 10586 (2009).
  • Porel M, Nithyanandhan J, Kaanumalle L S, Murthy V S N M, Parthasarathy A And Ramamurthy V, Cavitand Octa Acid Forms a Nonpolar Capsuleplex Dependent on the Molecular Size and Hydrophobicity of the Guest, Langmuir., 25, 3473 - 3481 (2009).
  • Chen J Y –C, Nithyanandhan J, Jockusch S, Ottaviani M F, Ramamurthy V And Turro N J, An EPR and NMR Study of Supramolecular Effects on Paramagnetic Interaction between a Nitroxide Incarcerated within a Nanocapsule with a Nitroxide in Bulk Aqueous Media, J. Am. Chem. Soc., 130, 7206 - 7209 (2008).
  • Nithyanandhan J And Jayaraman N, Dendrimer to Functional Dendrimers: Utilization of Lithiated Poly(Alkyl Aryl Ether) Dendrimers for Peripheral Functionalization, Tetrahedron., 62, 6228 - 6235 (2006).
  • Nithyanandhan J And Jayaraman N, Synthesis and Reactivity Profiles of Phosphinated Ploy(Alkyl Aryl Ether) Dendrimers, Tetrahedron., 61, 11184 - 11191 (2005).
  • Kaanumalle L S, Ramesh R, Murthy Maddipatla V S N, Nithyanandhan J, Jayaraman N And Ramamurthy V, Dendrimers as Photochemical Reaction Media. Photochemical Behavior of Unimolecular and Bimolecular Reactions in Water-Soluble Dendrimers, J. Org. Chem., 70, 5062 - 5069 (2005).
  • Kaanumalle L S, Nithyanandhan J, Pattabiraman M, Jayaraman N And Ramamurthy V, Water-Soluble Dendrimers as Photochemical Reaction Media: Chemical Behavior of Singlet and Triplet radical Pairs Inside Dendritic Reaction Cavities, J. Am. Chem. Soc., 126, 8999 - 9006 (2004).
  • Nithyanandhan J, Jayaraman N, Davis R And Das S , Synthesis, Fluorescence and Photoisomerization studies of Azobenzene Functionalized Poly(Alkyl Aryl Ether) Dendrimers, Chem. Eur. J., 10, 689 - 698 (2004).
  • Nithyanandhan J And Jayaraman N, Synthesis of Poly(Alkyl Aryl Ether) Dendrimers, J. Org. Chem., 67, 6282 - 6285 (2002).