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Number of items: 64.

Das, Suresh ; Varghese, Shinto ; Saleesh Kumar, N. S. (2010) Butadiene-based photoresponsive soft materials Langmuir, 26 (3). pp. 1598-1609. ISSN 0743-7463

Saleesh Kumar, N. S. ; Abraham, Shibu ; Vijayaraghavan Ratheesh, K. ; Tamaoki, Nobuyuki ; Furumi, Seiichi ; Das, Suresh (2009) Indane-1,3-dione and cholesterol containing butadiene derivatives: photoresponsive liquid crystalline glasses for imaging applications Journal of Photochemistry and Photobiology A: Chemistry, 207 (1). pp. 73-78. ISSN 1010-6030

Abraham, Shibu ; Vijayaraghavan, Ratheesh K. ; Das, Suresh (2009) Tuning microstructures in organogels: gelation and spectroscopic properties of mono- and bis-cholesterol-linked diphenylbutadiene derivatives Langmuir, 25 (15). pp. 8507-8513. ISSN 0743-7463

Varghese, Shinto ; Saleesh Kumar, Nambalan S. ; Krishna, Anjali ; Shankar Rao, Doddamane S. ; Prasad, Subbarao Krishna ; Das, Suresh (2009) Formation of highly luminescent supramolecular architectures possessing columnar order from octupolar oxadiazole derivatives: hierarchical self-assembly from nanospheres to fibrous gels Advanced Functional Materials, 19 (13). pp. 2064-6073. ISSN 1616-301X

Saleesh Kumar, N. S. ; Varghese, Shinto ; Suresh, C. H. ; Rath, Nigam P. ; Das, Suresh (2009) Correlation between solid-state photophysical properties and molecular packing in a series of indane-1,3-dione containing butadiene derivatives Journal of Physical Chemistry C, 113 (27). pp. 11927-11935. ISSN 1932-7447

Vijayaraghavan, Ratheesh K. ; Abraham, Shibu ; Akiyama, Haruhisa ; Furumi, Seiichi ; Tamaoki, Nobuyuki ; Das, Suresh (2008) Photoresponsive glass-forming butadiene-based chiral liquid crystals with circularly polarized photoluminescence Advanced Functional Materials, 18 (17). pp. 2510-2517. ISSN 1616-301X

Das, Suresh ; Gopinathan, Narayan ; Abraham, Shibu ; Jayaraman, Narayanaswamy ; Singh, Madan K. ; Krishna Prasad, S. ; Shankar Rao, D. S. (2008) Manifestation of a chiral smectic C phase in diphenylbutadiene-cored bolaamphiphilic sugars Advanced Functional Materials, 18 (11). pp. 1632-1640. ISSN 1616-301X

Saleesh Kumar, N. S. ; Varghese, Shinto ; Rath, Nigam P. ; Das, Suresh (2008) Solid state optical properties of 4-alkoxy-pyridine butadiene derivatives: reversible thermal switching of luminescence Journal of Physical Chemistry C, 112 (22). pp. 8429-8437. ISSN 1932-7447

Narayan, Gopinathan ; Saleesh Kumar, N. S. ; Paul, Somak ; Srinivas, Oruganti ; Jayaraman, Narayanaswamy ; Das, Suresh (2007) Aggregation and photoresponsive behavior of azobenzene-oligomethylene-glucopyranoside bolaamphiphiles Journal of Photochemistry and Photobiology A: Chemistry, 189 (2-3). pp. 405-413. ISSN 1010-6030

Alex, Saji ; Basheer, Meethale C. ; Arun, Kalliat T. ; Ramaiah, Danaboyina ; Das, Suresh (2007) Aggregation properties of heavy atom substituted squaraine dyes: evidence for the formation of J-type dimer aggregates in aprotic solvents Journal of Physical Chemistry A, 111 (17). pp. 3226-3230. ISSN 1089-5639

Basheer, M. C. ; Santhosh, U. ; Alexa, S. ; Thomas, George K. ; Suresh, Cherumuttathu H. ; Das, Suresh (2007) Design and synthesis of squaraine based near infrared fluorescent probes Tetrahedron, 63 (7). pp. 1617-1623. ISSN 0040-4020

Saleesh Kumar, N. S. ; Varghese, Shinto ; Narayan, Gopinathan ; Das, Suresh (2006) Hierarchical self-assembly of donor-acceptor-substituted butadiene amphiphiles into photoresponsive vesicles and gels Angewandte Chemie International Edition, 45 (38). pp. 6317-6321. ISSN 1433-7851

Abraham, Shibu ; Ajay Mallia, V. ; Vijayaraghavan Ratheesh, K. ; Tamaoki, Nobuyuki ; Das , Suresh (2006) Reversible thermal and photochemical switching of liquid crystalline phases and luminescence in diphenylbutadiene-based mesogenic dimers Journal of the American Chemical Society, 128 (23). pp. 7692-7698. ISSN 0002-7863

Basheer, M. C. ; Alex, S. ; Thomas, George K. ; Suresh, Cherumuttathu H. ; Das, S. (2006) A squaraine-based chemosensor for Hg2+ and Pb2+ Tetrahedron, 62 (4). pp. 605-610. ISSN 0040-4020

Abraham, S. ; Paul, S. ; Narayan, G. ; Prasad, S. K. ; Rao, D. S. S. ; Jayaraman, N. ; Das, S. (2005) Observation of a chiral smectic phase in azobenzene-linked bolaamphiphiles containing free sugars Advanced Functional Materials, 15 (10). pp. 1579-1584. ISSN 1616-301X

Alex, Saji ; Santhosh, U. ; Das, Suresh (2005) Dye sensitization of nanocrystalline TiO2: enhanced efficiency of unsymmetrical versus symmetrical squaraine dyes Journal of Photochemistry and Photobiology A: Chemistry, 172 (1). pp. 63-71. ISSN 1010-6030

Nithyanandhan, Jayaraj ; Jayaraman, Narayanaswamy ; Davis, Riju ; Das, Suresh (2004) Synthesis, fluorescence and photoisomerization studies of azobenzene-functionalized poly(alkyl aryl ether) dendrimers Chemistry: A European Journal, 10 (3). pp. 689-698. ISSN 0947-6539

Davis, Riju ; Ajay Mallia, V. ; Das, Suresh (2003) Reversible photochemical phase transition behavior of alkoxy-cyano-substituted diphenylbutadiene liquid crystals Chemistry of Materials, 15 (5). pp. 1057-1063. ISSN 0897-4756

Sudhadevi Antharjanam, P. K. ; Ajay Mallia, V. ; Das, Suresh (2002) Novel azopyridine-containing silver mesogens: synthesis, liquid-crystalline, and photophysical properties Chemistry of Materials, 14 (6). pp. 2687-2692. ISSN 0897-4756

Davis, Riju ; Das, Suresh ; George, Mathew ; Druzhinin, Sergey ; Zachariasse, Klaas A. (2001) Intramolecular charge transfer and photochemical isomerization in donor/acceptor-substituted butadienes Journal of Physical Chemistry A, 105 (19). pp. 4790-4798. ISSN 1089-5639

Kozyrev, Andrei N. ; Suresh, V. ; Das, Suresh ; Senge, Mathias O. ; Shibata, Masayuki ; Dougherty, Thomas J. ; Pandey, Ravindra K. (2000) Syntheses and spectroscopic studies of novel chlorins with fused quinoxaline or benzimidazole ring systems and the related dimers with extended conjugation Tetrahedron, 56 (21). pp. 3353-3364. ISSN 0040-4020

Das, Suresh ; Santhosh, U. (2000) Triplet excited-state properties of the monomer and aggregate of bis (2, 4, 6-trihydroxyphenyl) squaraine Journal of Physical Chemistry A, 104 (9). pp. 1842-1847. ISSN 1089-5639

Ajay Mallia, V. ; George, Mathew ; Das, Suresh (1999) Photochemical phase transition in hydrogen-bonded liquid crystals Chemistry of Materials, 11 (2). pp. 207-208. ISSN 0897-4756

Das, Suresh ; Kamat, Prashant V. (1999) Can H-aggregates serve as light-harvesting antennae? triplet-triplet energy transfer between excited aggregates and monomer thionine in aersol-OT solutions Journal of Physical Chemistry B, 103 (1). pp. 209-215. ISSN 1089-5647

Khazraji, Ali Chami ; Hotchandani, Surat ; Das, Suresh ; Kamat, Prashant V. (1999) Controlling dye (merocyanine-540) aggregation on nanostructured TiO2 films. An organized assembly approach for enhancing the efficiency of photosensitization Journal of Physical Chemistry B, 103 (22). pp. 4693-4700. ISSN 1089-5647

Das, Suresh ; Kamat, Prashant V. (1998) Spectral characterization of the one-electron oxidation product of cis-bis(isothiocyanato)bis(4,4'-dicarboxylato-2,2'-bipyridyl) ruthenium(II) complex using pulse radiolysis Journal of Physical Chemistry A, 102 (45). pp. 8954-8957. ISSN 1089-5639

Rajesh, C. S. ; Thanulingam, T. L. ; Das, Suresh (1997) Photoelectron transfer induced decarboxylation of substituted carboxylic acids across a liquid/liquid interface Tetrahedron, 53 (49). pp. 16817-16834. ISSN 0040-4020

Anandhi, R. ; Rajesh, C. S. ; Das, Suresh ; Umapathy, S. (1997) Transient absorption studies on 3,6-dibromo polyvinylcarbazole and its model compounds Journal of Photochemistry and Photobiology A: Chemistry, 106 (1-3). pp. 135-139. ISSN 1010-6030

Ramaiah, Danaboyina ; Joy, Abraham ; Chandrasekhar, Nese ; Eldho, Nadukkudy V. ; Das, Suresh ; George, Manapurathu V. (1997) Halogenated squaraine dyes as potential photochemotherapeutic agents. Synthesis and study of photophysical properties and quantum efficiencies of singlet oxygen generation Photochemistry and Photobiology, 65 (5). pp. 783-790. ISSN 0031-8655

Kumar, S. Ajaya ; Ramaiah, D. ; Eldho, N. V. ; Das, Suresh ; Rath, N. P. ; George, M. V. (1997) Phototransformations of bridgehead-substituted dibenzobarrerenes. Steady state and laser flash photolysis studies of 9-benzoyl- and 9-(a-hydroxybenzyl)-substituted dibenzobarrelenes Journal of Photochemistry and Photobiology A: Chemistry, 103 (1-2). pp. 69-73. ISSN 1010-6030

Muneer, M. ; Philip, R. ; Das, S. (1997) Photocatalytic degradation of waste water pollutants. Titanium dioxidemediated oxidation of a textile dye, acid blue 40 Research on Chemical Intermediates, 23 (3). pp. 233-246. ISSN 0922-6168

Ajayaghosh, A. ; Chenthamarakshan, C. R. ; Das, Suresh ; George, M. V. (1997) Zwitterionic dye-based conducting polymers. Synthesis and optical properties of pyrrole-derived polysquaraines Chemistry of Materials, 9 (3). pp. 644-646. ISSN 0897-4756

Das, Suresh ; Thomas, George K. ; Thomas, K. J. ; Madhavan, V. (1996) Aggregation behavior of water soluble bis(benzothiazolylidene)squaraine derivatives in aqueous media Journal of Physical Chemistry, 100 (43). pp. 17310-17315. ISSN 0022-3654

Ramaiah, D. ; Kumar, S. A. ; Asokan, C. V. ; Mathew, T. ; Das, S. ; Rath, N. P. ; George, M. V. (1996) Phototransformations of bridgehead-disubstituted dibenzobarrelenes. Interesting rearrangements of dibenzosemibullvalene intermediates derived from 9-(Hydroxyalkyl)-10-methoxy-substituted dibenzobarrelenes Journal of Organic Chemistry, 61 (16). pp. 5468-5473. ISSN 0022-3263

Das, S. ; Kumar, J. S. Dileep ; Shivaramayya, K. ; George, M. V. (1996) Photoelectron transfer catalysed reactions of amines with α,β-unsaturated esters and acrylonitrile using different sensitizers Journal of Photochemistry and Photobiology A: Chemistry, 97 (3). pp. 139-150. ISSN 1010-6030

Mathew, Thomas ; Kumar, S. Ajaya ; Das, Suresh ; Rath, N. P. ; George, M. V. (1996) Phototransformations of 9-ethyl-substituted dibenzobarrelene   Journal of Photochemistry and Photobiology A: Chemistry, 95 (2). pp. 137-141. ISSN 1010-6030

Das, Suresh ; Dileep Kumar, J. S. ; Shivaramayya, Kalchar ; George, Manapurathu V. (1996) Formation of lactams via photoelectron-transfer catalyzed reactions of N-allylamines with α,β-unsaturated esters Tetrahedron, 52 (10). pp. 3425-3434. ISSN 0040-4020

Sauve, Genevieve ; Kamat, Prashant V. ; Thomas, George K. ; Thomas, K. J. ; Das, Suresh ; George, M. V. (1996) Photochemistry of squaraine dyes:  excited triplet state and redox properties of crown ether squaraines The Journal of Physical Chemistry, 100 (6). pp. 2117-2124. ISSN 0022-3654

Das, Suresh ; Rajesh, C. S. ; Suresh, C. H. ; Thomas, George K. ; Ajayaghosh, A. ; Nasr, C. ; Kamat, Prashant V. ; George, M. V. (1995) Photophysical and photoelectrochemical behavior of poly[styrene-co-3-(acrylamido)-6-aminoacridine] Macromolecules, 28 (12). pp. 4249-4254. ISSN 0024-9297

Das, Suresh ; Thanulingam, T. L. ; Rajesh, C. S. ; George, M. V. (1995) Photochemical electron transfer across a liquid/liquid interface: methylene blue-sensitized decarboxylation of substituted carboxylic acids Tetrahedron Letters, 36 (8). pp. 1337-1340. ISSN 0040-4039

Ajaya Kumar, S. ; Rajesh, C. S. ; Das, Suresh ; Rath, N. P. ; George, M. V. (1995) Photorearrangements of bridgehead-disubstituted dibenzobarrelene esters and lactones Journal of Photochemistry and Photobiology A: Chemistry, 86 (1-3). pp. 177-183. ISSN 1010-6030

Muneer, M. ; Ajayagosh, A. ; Das, S. ; George, M. V. (1995) Phototransformations of di-O-ethyl S,S-terephthaloyl dixanthate and terephthaloic bis(piperidinedithiocarbamic anhydride) Journal of Photochemistry and Photobiology A: Chemistry, 86 (1-3). pp. 155-159. ISSN 1010-6030

Nasr, Chouhaid ; Hotchandani, Surat ; Kamat, Prashant V. ; Das, Suresh ; Thomas, George K. ; George, M. V. (1995) Electrochemical and photoelectrochemical properties of monoaza-15-crown ether linked cyanine dyes: photosensitization of nanocrystalline SnO2 films Langmuir, 11 (5). pp. 1777-1783. ISSN 0743-7463

Das, Suresh ; Thomas, George K. ; Thomas, K. J. ; Kamat, Prashant V. ; George, M. V. (1994) Photochemistry of squaraine dyes. 8. Photophysical properties of crown ether squaraine fluoroionophores and their metal ion complexes Journal of Physical Chemistry, 98 (37). pp. 9291-9296. ISSN 0022-3654

Thomas, K. J. ; Thomas, George K. ; Manojkumar, T. K. ; Das, Suresh ; George, M. V. (1994) Cation binding and photophysical properties of a monoaza-15-crown-5-ether linked cyanine dye Proceedings of the Indian Academy of Sciences - Chemical Sciences, 106 (6). pp. 1375-1382. ISSN 0253-4134

Das, Suresh ; Dileep Kumar, J. S. ; Thomas, George K. ; Shivaramayya, K. ; George, M. V. (1994) Photocatalyzed multiple additions of amines to .alpha.,.beta.-unsaturated esters and nitriles Journal of Organic Chemistry, 59 (3). pp. 628-634. ISSN 0022-3263

Das, Suresh ; Lekshmana Thanulingam, T. ; Thomas, George K. ; Kamat, Prashant V. ; George, M. V. (1993) Photochemistry of squaraine dyes. 5. Aggregation of bis(2,4-dihydroxyphenyl)squaraine and bis(2,4,6-trihydroxyphenyl)squaraine and their photodissociation in acetonitrile solutions Journal of Physical Chemistry, 97 (51). pp. 13620-13624. ISSN 0022-3654

Das, Suresh ; Thomas, George K. ; Ramanathan, R. ; George, M. V. ; Kamat, P. V. (1993) Photochemistry of squaraine dyes. 6. Solvent hydrogen bonding effects on the photophysical properties of bis(benzothiazolylidene)squaraines Journal of Physical Chemistry, 97 (51). pp. 13625-13628. ISSN 0022-3654

Ajayaghosh, A. ; Das, S. ; Kamat, P. V. ; Das, P. K. ; George, M. V. (1993) Photocrosslinking studies of S-acryloyl O-ethyl xanthate copolymers Polymer, 34 (17). pp. 3605-3610. ISSN 0032-3861

Mathew, Thomas ; Ajayaghosh, A. ; Das, Suresh ; Kamat, Prashant V. ; George, M. V. (1993) A new photodegradable polyamide containing o-nitrobenzyl chromophore. Steady state and laser flash photolysis studies Journal of Photochemistry and Photobiology A: Chemistry, 71 (2). pp. 181-189. ISSN 1010-6030

Ajayaghosh, A. ; Das, S. ; George, M. V. (1993) S-benzoyl O-ethyl xanthate as a new photoinitiator: photopolymerization and laser flash photolysis studies Journal of Polymer Science Part A: Polymer Chemistry, 31 (3). pp. 653-659. ISSN 0887-624X

Kumar, S. Ajay ; Asokan, C. V. ; Das, Suresh ; Wilbur, J. A. ; Rath, N. P. ; George, M. V. (1993) A novel photorearrangement of a bridgehead-disubstituted dibenzobarrelene. Steady state and laser flash photolysis studies of a 9-hydroxymethyl-10-methyl-dibenzobarrelene Journal of Photochemistry and Photobiology A: Chemistry, 71 (1). pp. 27-31. ISSN 1010-6030

Ajayaghosh, A. ; Francis, R. ; Das, S. (1993) Polymer-bound S-benzoyl O-ethyl xanthate: a new heterogeneous photoinitiator European Polymer Journal, 29 (1). pp. 63-68. ISSN 0014-3057

Kamat, Prashant V. ; Hotchandani, Surat ; Lind, Michael de. ; Thomas, George K. ; Das, Suresh ; George, M. V. (1993) Excited-state properties and photosensitization behaviour of bis(2,4-dihydroxyphenyl)squaraine Journal of Chemical Society, Faraday Transactions, 89 (14). pp. 2397-2402. ISSN 0956-5000

Das, Suresh ; Kamat, Prashant V. ; De la Barre, B. ; Thomas, George K. ; Ajayaghosh, A. ; George, M. V. (1992) Photophysics and photochemistry of squaraine dyes. 3. Excited-state properties and poly(4-vinylpyridine)-induced fluorescence enhancement of bis(2,4,6-trihydroxyphenyl)squaraine Journal of Physical Chemistry, 96 (25). pp. 10327-10330. ISSN 0022-3654

Ajayaghosh, A. ; Das, S. (1992) Photografting of acrylic monomers on polystyrene support Journal of Applied Polymer Science, 45 (9). pp. 1617-1622. ISSN 0021-8995

Kamat, Prashant V. ; Das, Suresh ; Thomas, George K. ; George, Manapurathu V. (1992) Photochemistry of squaraine dyes. 1. Excited singlet, triplet, and redox states of bis[4-(dimethylamino)phenyl]squaraine and bis[4-(dimethylamino)-2-hydroxyphenyl]squaraine Journal of Physical Chemistry, 96 (1). pp. 195-199. ISSN 0022-3654

Becker, Ralph S. ; Das, Suresh ; Chakravorti, Sankar ; Morgan, Alan R. (1991) Photophysics and photochemistry of new verdin compounds Journal of Photochemistry and Photobiology B: Biology, 10 (4). pp. 345-351. ISSN 1010-6030

Kamat, Prashant V. ; Das, Suresh ; Thomas, George K. ; George, Manapurathu V. (1991) Ultrafast photochemical events associated with the photosensitization properties of a squaraine dye Chemical Physics Letters, 178 (1). pp. 75-79. ISSN 0009-2614

Asokan, C. V. ; Kumar, S. A. ; Das, S. ; Rath, N. P. ; George, M. V. (1991) Novel phototransformations of bridgehead-dimethyl-substituted dibenzobarrelene. Structure of the photoproducts Journal of Organic Chemistry, 56 (20). pp. 5890-5893. ISSN 0022-3263

Becker, Ralph S. ; Chakravorti, Sankar ; Das, Suresh (1990) The photosensitizers benzophenoxazine and thiazines: comprehensive investigation of photophysical and photochemical properties Photochemistry and Photobiology, 51 (5). pp. 533-538. ISSN 0031-8655

Das, Suresh ; Lenoble, Christian ; Becker, Ralph S. (1987) Laser flash photolysis study of triplet states in aligned liquid crystalline media Journal of the American Chemical Society, 109 (14). pp. 4349-4352. ISSN 0002-7863

Das, Suresh ; Schuchmann, Man Nien ; Schuchmann, Heinz-Peter ; Sonntag, Clemens Von (1987) The production of the superoxide radical anion by the OH radical-induced oxidation of trimethylamine in oxygenated aqueous solution. The kinetics of the hydrolysis of (hydroxymethyl)dimethylamine Chemische Berichte, 120 (3). pp. 319-323. ISSN 0009-2940

Deeble, David J. ; Das, Suresh ; Sonntag, Clemens Von (1985) Uracil derivatives: sites and kinetics of protonation of the radical anions and the UV spectra of the C(5) and C(6) H-atom adducts Journal of Physical Chemistry, 89 (26). pp. 5784-5788. ISSN 0022-3654

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