Find Research outputs

Search results

• Article

  Photochemistry of luteolinidin - "Write-lock-read-unlock-erase'' with a natural compound

  Pina, F. J. D. S. & Melo, M. J., 1 Jan 2000, In: Journal of Photochemistry and Photobiology A: Chemistry. 135, 1, p. 33-39

  Research output: Contribution to journal › Article › peer-review

  Open Access
  28 Citations (Scopus)

• Photochemistry of methyltrioxorhenium revisited: A DFT/TD-DFT and CASSCF/MS-CASPT2 theoretical study

  Costa, P. J., Calhorda, M. J., Bossert, J., Daniel, C. & Romão, C. C., 23 Oct 2006, In: Organometallics. 25, 22, p. 5235-5241 7 p.

  Research output: Contribution to journal › Article › peer-review
  10 Citations (Scopus)

• Photochemistry of supramolecular species involving anionic coordination compounds and polyammonium macrocyclic receptors

  Pina, F. & Parola, A. J., 1 May 1999, In: Coordination Chemistry Reviews. 185-186, p. 149-165 17 p.

  Research output: Contribution to journal › Article › peer-review
  30 Citations (Scopus)

• Photochemistry of the adduct between [Co(CN)₅H₂O]^2- and the polyammonium macrocyclic receptor [32]ane-N₈: evidence for the supramolecular structure

  Jorge Parola, A. & Pina, F., 30 Jun 1992, In: Journal of Photochemistry and Photobiology A: Chemistry. 66, 3, p. 337-343 7 p.

  Research output: Contribution to journal › Article › peer-review
  4 Citations (Scopus)

• Photochemistry of the Co(Sep)³⁺I^- system: evaluation of the quantum yield for the photochemical redox reaction of the ion pair

  Pina, F., Sotomayor, J. & Moggi, L., 1 Jan 1990, In: Journal of Photochemistry and Photobiology A: Chemistry. 53, 3, p. 411-422 12 p.

  Research output: Contribution to journal › Article › peer-review
  3 Citations (Scopus)

• Photochemistry of the hemiketal form of anthocyanins and its potential role in plant protection from UV-B radiation

  Costa, D., Galvão, A. M., di Paolo, R. E., Freitas, A. A., Lima, J. C. D. S. S. E. P. D., Quina, F. H. & Maçanita, A. L., 2015, In: Tetrahedron. 71, 20, p. 3157-3162

  Research output: Contribution to journal › Article › peer-review
  33 Citations (Scopus)

• Photochromic flavylium compounds as multistate/multifunction molecular-level systems

  Pina, F., Maestri, M. & Balzani, V., 21 Jan 1999, In: Chemical Communications. 2, p. 107-114 8 p.

  Research output: Contribution to journal › Article › peer-review
  72 Citations (Scopus)

• Photochromic properties of 3-methyl-substituted flavylium salts

  Roque, A., Lodeiro, C., Pina, F., Maestri, M., Ballardini, R. & Balzani, V., Aug 2002, In: European Journal of Organic Chemistry. 16, p. 2699-2709 11 p.

  Research output: Contribution to journal › Article › peer-review
  32 Citations (Scopus)

• Photochromic Room Temperature Ionic Liquids Based on Anionic Diarylethene Derivatives

  Jordao, N., Ferreira, P., Cruz, H., Jorge Parola, A. & Branco, L. C., Jul 2019, In: CHEMPHOTOCHEM. 3, 7, p. 525-528

  Research output: Contribution to journal › Article › peer-review
  5 Citations (Scopus)

• Photochromic soft materials: Flavylium compounds incorporated into pluronic F-127 hydrogel matrixes

  Pina, F. & Hatton, T. A., 18 Mar 2008, In: Langmuir. 24, 6, p. 2356-2364 9 p.

  Research output: Contribution to journal › Article › peer-review
  28 Citations (Scopus)

• Photochromism of 4'-methoxyflavylium perchlorate. A 'write-lock-read- unlock-erase' molecular switching system

  Pina, F., Melo, M. J., Maestri, M., Ballardini, R. & Balzani, V., 18 Jun 1997, In: Journal of the American Chemical Society. 119, 24, p. 5556-5561 6 p.

  Research output: Contribution to journal › Article › peer-review
  166 Citations (Scopus)

• Photochromism of 7,4 '-Dihydroxyflavylium in an AOT Reversed Micelle System

  Laia, C. A. T., DQ Group Author & Pina, F. J. D. S., 1 Jan 2009, In: Langmuir. 25, 1, p. 594-601

  Research output: Contribution to journal › Article › peer-review

  7 Citations (Scopus)

• Photochromism of 7-(N,N-diethylamino)-4′-hydroxyflavylium in a water-ionic liquid biphasic system

  Pina, F. J. D. S., Parola, A. J., Melo, M. J., Laia, C. A. T. & Afonso, C. A. M., 8 Feb 2007, In: Chemical Communications. 16, p. 1608-1610 3 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access
  8 Citations (Scopus)

• Photochromism of flavylium systems. An overview of a versatile multistate system

  Laia, C. A. T. & Pina, F. J. D. S., 1 Jan 2012, In: Dyes and Pigments. 92, 2, p. 877-889

  Research output: Contribution to journal › Article › peer-review

  Open Access
  52 Citations (Scopus)

• Photochromism of naphthoflavylium. On the role of 4-OH hemiketal in flavylium network

  Pina, F. J. D. S., 1 Jan 2011, In: Journal of Photochemistry and Photobiology A: Chemistry. 220, 1, p. 4-10

  Research output: Contribution to journal › Article › peer-review

  5 Citations (Scopus)

• Photochromism of the complex between 4′-(2-hydroxyethoxy)-7- hydroxyflavylium and β-cyclodextrin, studied by ¹H NMR, UV-Vis, continuous irradiation and circular dichroism

  Gago, S., Basílio, N., Fernandes, A., Freitas, V., Quintas, A. & Pina, F., 2014, In: Dyes and Pigments. 110, SI, p. 106-112 7 p.

  Research output: Contribution to journal › Article › peer-review
  10 Citations (Scopus)

• Photochromism of the natural dye 7,4 '-dihydroxy-5-methoxyflavylium (dracoflavylium) in the presence of (2-hydroxypropyl)-beta-cyclodextrin

  Lopes-Costa, T., Basilio, N., Pedrosa, J. M. & Pina, F., Oct 2014, In: Photochemical and Photobiological Sciences. 13, 10, p. 1420-1426 7 p.

  Research output: Contribution to journal › Article › peer-review
  8 Citations (Scopus)

• Photochromism of the Synthetic 4ʹ,7-Dihydroxyflavylium Chloride

  Figueiredo, P., Lima, J. C., Santos, H., Maçanita, A. L., Pina, F., Wigand, M. C. & Brouillard, R., 1 Feb 1994, In: Journal of the American Chemical Society. 116, 4, p. 1249-1254 6 p.

  Research output: Contribution to journal › Article › peer-review
  83 Citations (Scopus)

• Photoconductivity kinetics of indium sulfofluoride thin films

  Vygranenko, Y., Fernandes, M., Vieira, M., Lavareda, G., Nunes De Carvalho, C., Brogueira, P. & Amaral, A., 1 Jan 2020, In: EPJ Applied Physics. 89, 1, 10302.

  Research output: Contribution to journal › Article › peer-review
  2 Citations (Scopus)

• Photo-controlled growth of polymeric submicron-sized particles

  Avó, J., Lima, J. C. & Parola, A. J., 1 Jan 2019, In: Photochemical and Photobiological Sciences. 18, 5, p. 993-996 4 p.

  Research output: Contribution to journal › Article › peer-review
  2 Citations (Scopus)

• Photocrosslinkable biodegradable responsive hydrogels as drug delivery systems

  Lopes, A., 1 Jan 2011, In: International Journal of Biological Macromolecules. 49, 5, p. 948-954

  Research output: Contribution to journal › Article › peer-review

  Open Access
  52 Citations (Scopus)

• Photocurable temperature activated humidity hybrid sensing materials for multifunctional coatings

  Mendes-Felipe, C., Salado, M., Fernandes, L. C., Correia, D. M., Ruiz-Rubio, L., Tariq, M., Esperança, J. M. S. S., Vilas-Vilela, J. L. & Lanceros-Mendez, S., 14 Apr 2021, In: Polymer. 221, 123635.

  Research output: Contribution to journal › Article › peer-review
  4 Citations (Scopus)

• Photocurrent and Spectral Response Analysis of a-SiC:H Pinip and Pinpin Photodiodes

  DEE Group Author & Vieira, M. M. D. A. C., 1 Jan 2009, In: Journal of Nanoscience and Nanotechnology. 9, 7, p. 4254-4258

  Research output: Contribution to journal › Article › peer-review

  Open Access
  2 Citations (Scopus)

• Photodecarboxylation of citrate through ion pair photochemistry: the Co(Sep)3+·citraten- (n = 1,2,3) system

  Sotomayor, J., Costa, J. C., Mulazzani, Q. G. & Pina, F., 1 Jan 1989, In: Journal of Photochemistry and Photobiology A: Chemistry. 49, 1-2, p. 195-202 8 p.

  Research output: Contribution to journal › Article › peer-review
  7 Citations (Scopus)

• Photodegradation kinetics and transformation products of ketoprofen, diclofenac and atenolol in pure water and treated wastewater

  Oehmen, A. M., Reis, M. D. C. F. M., Noronha, J. P. D. C. D. & Pereira, V. R., Jan 2013, In: Journal of Hazardous Materials. 244-245, NA, p. 516-527

  Research output: Contribution to journal › Article › peer-review

  Open Access
  164 Citations (Scopus)

• Photodimerization of aromatic resin acids

  Gigante, B., Marcelo-Curto, M. J., Lobo, A. M., Prabhakar, S., Caroline, OM., Rzepa, H. S. & Williams, D. J., 1 Jan 1991, In: Journal Of Natural Products. 54, 1, p. 247-253 7 p.

  Research output: Contribution to journal › Article › peer-review
  3 Citations (Scopus)

• Photodiode-like behavior of jelly dye-sensitized donor-acceptor dendrimers

  Pires, R. F., Charas, A., Morgado, J., Casimiro, T. & Bonifácio, V. D. B., 10 May 2020, In: Journal of Applied Polymer Science. 137, 18, 48635.

  Research output: Contribution to journal › Article › peer-review
  1 Citation (Scopus)

• Photodiode with nanocrystalline Si/amorphous Si absorber bilayer

  Vieira, M. M. D. A. C. & DEE Group Author, 1 Jan 2011, In: Applied Physics Letters. 99, 19, p. 191111

  Research output: Contribution to journal › Article › peer-review

  Open Access
  1 Citation (Scopus)

• Photoelectrochromic heterosupramolecular assemblies

  Sotomayor, J., Will, G. & Fitzmaurice, D., 1 Jan 2000, In: Journal Of Materials Chemistry. 10, 3, p. 685-692 8 p.

  Research output: Contribution to journal › Article › peer-review
  6 Citations (Scopus)

• Photoelectron spectroscopy as an in situ contact-less method for studies of MOS properties of ultrathin oxides on Si

  Silva, A. C. G. D., Pedersen, K., Li, Z. S. & Morgen, P., 30 Oct 2015, In: Applied Surface Science. 353, p. 1208-1213

  Research output: Contribution to journal › Article › peer-review

  Open Access
  3 Citations (Scopus)

• Photoelectron spectroscopy of a series of acetate and propionate esters

  Śmiałek, M. A., Guthmuller, J., MacDonald, M. A., Zuin, L., Delwiche, J., Hubin-Franskin, M. J., Lesniewski, T., Mason, N. J. & Limão-Vieira, P., 1 Oct 2017, In: Journal of Quantitative Spectroscopy and Radiative Transfer. 200, p. 206-214 9 p.

  Research output: Contribution to journal › Article › peer-review
  1 Citation (Scopus)

• Photographic agents. Jorge Molder: detective, magician, actor

  Rozzoni, C., 2018, In: Aisthesis. 11, 2, p. 87-99 12 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  File
  1 Citation (Scopus)

  65 Downloads (Pure)

• Photography and transport history: a speculative approach to a theoretical framework

  Pereira, H. S., Aug 2022, In: Journal of Transport History. 43, 2, p. 312-332 21 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  File
  2 Citations (Scopus)

  2 Downloads (Pure)

• Photography and Writing, or the Intimacy of the Image: A Dialogic Encounter between Barthes’s Camera Lucida and Blanchot’s Philosophy of otherness

  Duarte, M. M., 2 Sept 2019, In: Photographies. 12, 3, p. 283-301 19 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  File
  74 Downloads (Pure)

• Photography as Anti-Museum? Conflicting museological concepts in the work of Joachim Schmid

  Martins, S., 1 Jan 2014, In: Photographies. 7, 2, p. 131-148

  Research output: Contribution to journal › Article › peer-review

  Open Access
  1 Citation (Scopus)

• Photography in social science research

  Ferreira, C. M. & Serpa, S., Jul 2020, In: Journal of Educational and Social Research. 10, 4, p. 62-69 8 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  File
  1 Citation (Scopus)

  8 Downloads (Pure)

• Photoinduced electron- and energy-transfer processes of biacetyl imprisoned in a hemicarcerand

  Parola, A. J., Pina, F., Ferreira, E., Maestri, M. & Balzani, V., 20 Nov 1996, In: Journal of the American Chemical Society. 118, 46, p. 11610-11616 7 p.

  Research output: Contribution to journal › Article › peer-review
  17 Citations (Scopus)

• Photoinduced reactions occurring on activated carbons. A combined photooxidation and ESR study

  Fonseca, I. M. D. F. L. D. & Lima, J. C. D. S. S. E. P. D., 1 Jan 2013, In: Applied Catalysis A-General. 452, NA, p. 1-8

  Research output: Contribution to journal › Article › peer-review

  Open Access
  53 Citations (Scopus)

• Photoluminescent Nanocrystals in a Multicomponent Aluminoborosilicate Glass

  Ruivo, A., Ferro, M., Andrade, S. M., Rocha, J., Pina, F. & Laia, C. A. T., 3 Nov 2016, In: Journal of Physical Chemistry C. 120, 43, p. 24925-24931 7 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access
  1 Citation (Scopus)

• Photomodulation of ultrastable host–guest complexes in water and their application in light-controlled steroid release

  Máximo, P., Colaço, M., Pauleta, S. R., Costa, P. J., Pischel, U., Parola, A. J. & Basílio, N., 2022, In: Organic Chemistry Frontiers. 9, 16, p. 4238-4249 11 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  File
  4 Citations (Scopus)

  2 Downloads (Pure)

• Photonic activation of plasminogen induced by low dose UVB

  Correia, M., Snabe, T., Thiagarajan, V., Petersen, S. B., Campos, S. R. R., Baptista, A. M. & Neves-Petersen, M. T., 30 Jan 2015, In: PLoS ONE. 10, 1, e0116737.

  Research output: Contribution to journal › Article › peer-review
  12 Citations (Scopus)

• Photonic band gap and bactericide performance of amorphous sol-gel titania: An Alternative to crystalline TiO 2

  Gonçalves, M. C., Pereira, J. C., Matos, J. C. & Vasconcelos, H. C., 10 Jul 2018, In: Molecules. 23, 7, 20 p., 1677.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  File
  33 Citations (Scopus)

  5 Downloads (Pure)

• Photonic composite materials from cellulose nanorods and clay nanolayers

  Trindade, A. C., Carreto, M., Helgesen, G., Knudsen, K. D., Puchtler, F., Breu, J., Fernandes, S., Godinho, M. H. & Fossum, J. O., Nov 2020, In: European Physical Journal: Special Topics. 229, 17-18, p. 2741-2755 15 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  File
  7 Citations (Scopus)

  7 Downloads (Pure)

• Photonic-Structured Perovskite Solar Cells: Detailed Optoelectronic Analysis

  Haque, S., Alexandre, M., Baretzky, C., Rossi, D., De Rossi, F., Vicente, A. T., Brunetti, F., Águas, H., Ferreira, R. A. S., Fortunato, E., Auf Der Maur, M., Wurfel, U., Martins, R. & Mendes, M. J., Jul 2022, In: ACS Photonics. 9, 7, p. 2408-2421 14 p.

  Research output: Contribution to journal › Article › peer-review
  8 Citations (Scopus)

• Photonic-structured TCO front contacts yielding optical and electrically enhanced thin-film solar cells

  Sanchez-Sobrado, O., Mendes, M. J., Mateus, T., Costa, J., Nunes, D., Águas, H., Fortunato, E. & Martins, R., 15 Jan 2020, In: Solar Energy. 196, p. 92-98 7 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  File
  14 Citations (Scopus)

  29 Downloads (Pure)

• Photonic-structured TiO ₂ for high-efficiency, flexible and stable Perovskite solar cells

  Haque, S., Mendes, M. J., Sanchez-Sobrado, O., Águas, H., Fortunato, E. & Martins, R., 1 May 2019, In: Nano Energy. 59, p. 91-101 11 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  File
  89 Citations (Scopus)

  40 Downloads (Pure)

• Photo-oxidation of carboxylic acids via photochemical redox reactions of ion pairs: evaluation of the corrected quantum yields for multi-equilibria acid-base systems

  Sotomayor, J., 4 Oct 1994, In: Journal of Photochemistry and Photobiology A: Chemistry. 83, 2, p. 97-106 10 p.

  Research output: Contribution to journal › Article › peer-review
  1 Citation (Scopus)

• Photooxidation of resin acids

  Gigante, B., Marcelocurto, M. J., Lobo, A. M., Prabhakar, S., Slawin, A. J., Rzepa, H. S. & Williams, D. J., 1 Jan 1989, In: Journal Of Natural Products. 52, 1, p. 85-94 10 p.

  Research output: Contribution to journal › Article › peer-review
  13 Citations (Scopus)

• Photophysical and spectroscopic studies of Indigo derivatives in their keto and leuco forms

  Seixas de Melo, J. S., Moura, A. P. D. & Melo, M. J., 1 Jan 2004, In: Journal of Physical Chemistry A. 108, 34, p. 6975-6981 7 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access
  146 Citations (Scopus)

• Photophysical characteristics of two model antenna systems: a fucoxanthin-pyropheoporbide dyad and its peridinin analogue

  Osuka, A., Kume, T., Haggquist, G. W., Jávorfi, T., Lima, J. C., Melo, E. & Razi Naqvi, K., 12 Nov 1999, In: Chemical Physics Letters. 313, 3-4, p. 499-504 6 p.

  Research output: Contribution to journal › Article › peer-review
  20 Citations (Scopus)