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Journal articles on the topic 'Photophysical Chemistry'

To see the other types of publications on this topic, follow the link: Photophysical Chemistry.

Author: Grafiati

Published: 10 December 2022

Last updated: 29 January 2023

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1

Arad, Ofir, Noemí Rubio, David Sánchez-García, José I. Borrell, and Santi Nonell. "Asymmetric porphycenes: synthesis and photophysical properties of 9-substituted 2,7,12,17-tetraphenylporphycenes." Journal of Porphyrins and Phthalocyanines 13, no. 03 (March 2009): 376–81. http://dx.doi.org/10.1142/s1088424609000462.

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The effects of 9-substitution on the photophysical properties of tetraphenylporphycenes (TPPo) have been examined using an electron acceptor, an electron donor, and an electroneutral substituent as model compounds. Introduction of the acetoxy group enhances the fluorescence ability of the compound, with only a small reduction in the singlet oxygen quantum yield. The optical and photophysical properties of a nitro-porphycene are reported for the first time. The compound is emerald green, contrasting with the typical blue color of porphycenes. While this compound is much less fluorescent than unsubstituted TPPo, its singlet oxygen quantum yield is only slightly lower, almost identical to that of the 9-acetoxy compound (9-AcOTPPo). Finally, the electron-donor amino group is found to induce the greatest changes in the porphycene photophysics, decreasing strongly its fluorescence and singlet oxygen quantum yields. With the exception of such electron donors, introduction of substituents at the 9 (meso) position of tetraphenylporphycenes is not detrimental to their photophysics and photosensitizing ability and thus can be exploited for targeted photodynamic therapy purposes.

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2

Luh, Tien-Yau. "Alternating dialkylsilylene-divinylarene copolymers." Pure and Applied Chemistry 82, no. 3 (February 24, 2010): 613–24. http://dx.doi.org/10.1351/pac-con-09-08-07.

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A summary of recent advances in the chemistry and photophysics of alternating dialkylsilylene-divinylarene copolymers is presented. The silicon moieties are considered to be insulating tetrahedral spacers in these copolymers. The substituents on silicon can readily be tuned, and the steric environment of these substituents around the silicon may dictate the conformation (or helicity) of the copolymers (the Thorpe–Ingold effect) and hence their photophysical properties. Because different chromophores can be regioregularly introduced into the polymeric chain, these copolymers have been used as models to study energy transfer and photoinduced electron transfer (PET), as well as chiroptical transfer.

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3

Ge, Yuan, and Donal F. O'Shea. "Azadipyrromethenes: from traditional dye chemistry to leading edge applications." Chemical Society Reviews 45, no. 14 (2016): 3846–64. http://dx.doi.org/10.1039/c6cs00200e.

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4

Auwalu, Muhammad Aminu, and Shanshan Cheng. "Diketopyrrolopyrrole Fluorescent Probes, Photophysical and Biological Applications." Chemosensors 9, no. 3 (February 26, 2021): 44. http://dx.doi.org/10.3390/chemosensors9030044.

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Biological applications of fluorescent probes are rapidly increasing in the supramolecular chemistry research field. Several organic dyes are being utilized currently in developing and advancing this attractive research area, of which diketopyrrolopyrrole (DPP) organic dyes show an exceptional photophysical features (high-fluorescence quantum yield (FQY), good photochemical and thermal stability) that are essential properties for biological applications. Great efforts have been made in recent years towards developing novel fluorescent DPPs by different chemists for such applications, and some positive results have been reported. As a result, this review article gives an account of the progress that has so far been made very recently, mainly within the last decade, in that we selectively focus on and discuss more from 2015 to present on some recent scholarly achievements of fluorescent DPPs: quantum yield, aggregation-induced emission (AIE), solid-state emission, bio-imaging, cancer/tumor therapy, mitochondria staining and some polymeric fluorescent DPPs. Finally, this review article highlights researchers working on luminescent DPPs and the future prospects in some key areas towards designing DPP-based fluorescent probes in order to boost their photophysical and biological applications more effectively.

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5

Anandkumar, Devaraj, Shanmugam Ganesan, Perumal Rajakumar, and Pichai Maruthamuthu. "Synthesis, photophysical and electrochemical properties and DSSC applications of triphenylamine chalcone dendrimers via click chemistry." New Journal of Chemistry 41, no. 19 (2017): 11238–49. http://dx.doi.org/10.1039/c7nj01059a.

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Fluorene-cored dendrimers containing a triphenylamine chalcone unit at the periphery have been synthesized by click chemistry approach, and their photophysical and electrochemical properties have been investigated.

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6

Hoyle, Charles E., Isaac B. Rufus, and Himanshu Shah. "Solvent effect on the photophysics of bisphenol-A-based polycarbonate and diphenylcarbonate." Canadian Journal of Chemistry 73, no. 11 (November 1, 1995): 2062–68. http://dx.doi.org/10.1139/v95-254.

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Polycarbonate and diphenylcarbonate exhibit an anomalous fluorescence emission with peak maximum around 350 nm in polar solvents that may be attributed to the association of diarylcarbonate moieties in a polar solvent cage. The red-shifted emission is attributed to intermolecular interactions in polar solvents and intramolecular interactions in polycarbonate. The photophysical behavior of polycarbonate and diphenylcarbonate is different from that of 1,3-diphenylpropane where a red-shifted emission is due to excimers formed by phenyl groups separated by three carbon atoms and is independent of the polarity of the solvent. Keywords: diphenylcarbonate, polycarbonate, aggregates, photophysics.

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7

Hou, X., S. R. Abrams, J. J. Balsevich, N. Irvine, T. Norstrom, M. Sikorski, H. K. Sinha, and R. P. Steer. "Synthesis and photophysical properties of fluorophore-labeled abscisic acid." Canadian Journal of Chemistry 78, no. 7 (July 1, 2000): 963–74. http://dx.doi.org/10.1139/v00-087.

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The 8'-benzophenone, 8'-dansylhydrazone, 3'-S-(2-ethyldansylamide), and 3'-S-acetamidofluorescein derivatives of the plant hormone abscisic acid (ABA) have been synthesized for use in photoaffinity labeling (the benzophenone derivative) or fluorescence probe experiments and have been spectroscopically characterized. One of the three fluorescent compounds, the 3'-tethered fluorescein derivative, exhibits spectroscopic and photophysical properties which indicate that it could be an excellent fluorescent probe of ABA interactions in vivo. The 3'-tethered fluorescein and ABA moieties do not interact strongly, so that the fluorescence properties of the fluorescein-labelled hormone are very similar to those of fluorescein itself. Measurements of the absorption, emission, and fluorescence excitation spectra, fluorescence quantum yields, and fluorescence decay parameters of this derivative as a function of pH indicate that the photophysics is dominated by ground and excited state prototropic equilibria involving only the fluorescein moiety. The fluorescein dianion is the only significant absorber and emitter at pH > 6.7, whereas only the cation absorbs and emits at pH < 0. In the intervening pH range, strong emission from the monoanion and weak emission from two neutral species, tentatively assigned to the zwitterion and the lactone of the fluorescein moiety, is observed.Key words: abscisic acid, fluorescein, synthesis, photophysics.

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8

Moodelly, Davina, Patrycja Kowalik, Piotr Bujak, Adam Pron, and Peter Reiss. "Synthesis, photophysical properties and surface chemistry of chalcopyrite-type semiconductor nanocrystals." Journal of Materials Chemistry C 7, no. 38 (2019): 11665–709. http://dx.doi.org/10.1039/c9tc03875b.

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9

Li, Chengjie, and Bernhard Kräutler. "Transition metal complexes of phyllobilins – a new realm of bioinorganic chemistry." Dalton Transactions 44, no. 22 (2015): 10116–27. http://dx.doi.org/10.1039/c5dt00474h.

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10

Steinbrück, Dörte, Claudia Rasch, and Michael U. Kumke. "Photophysics of Ochratoxin A in Aqueous Solution." Zeitschrift für Naturforschung B 63, no. 11 (November 1, 2008): 1321–26. http://dx.doi.org/10.1515/znb-2008-1111.

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Abstract The photophysics of Ochratoxin A (OTA) in aqueous solution strongly depends on the pH. Due to its molecular structure OTA is prone to an excited state proton transfer reaction, which rules the photophysical properties. Based on results of absorption and fluorescence measurements the rate constants of the proton transfer reactions (forward and back reaction) were determined and subsequently, the pK*a value was calculated. Based on the results, optimized experimental conditions for the analysis can be determined e. solvent conditions (HPLC chromatography) or excitation and emission wavelength (fluorescence spectroscopy).

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11

Pinheiro, Daniela, Marta Pineiro, Adelino M. Galvão, and J. Sérgio Seixas de Melo. "Deep in blue with green chemistry: influence of solvent and chain length on the behaviour of N- and N,N′- alkyl indigo derivatives." Chemical Science 12, no. 1 (2021): 303–13. http://dx.doi.org/10.1039/d0sc04958a.

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Using green chemistry procedures the synthesis of N- and N,N′-alkyl indigo derivatives was undertaken and the effect of the alkyl chain length on the spectral (including color) and photophysical properties of the compounds explored.

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12

Varghese, Beena, Saleh N. Al-Busafi, FakhrEldin O. Suliman, and Salma M. Z. Al-Kindy. "Unveiling a versatile heterocycle: pyrazoline – a review." RSC Adv. 7, no. 74 (2017): 46999–7016. http://dx.doi.org/10.1039/c7ra08939b.

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The design and synthesis of novel fluorescent heterocyclic dyes is a “hotspot” research area, due to their favourable photophysical and electronic properties, which could allow huge advances in the fields of physics, chemistry and biology.

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13

Flon, Victor, Magalie Bénard, Damien Schapman, Ludovic Galas, Pierre-Yves Renard, and Cyrille Sabot. "Fluorophore-Assisted Click Chemistry through Copper(I) Complexation." Biomolecules 10, no. 4 (April 16, 2020): 619. http://dx.doi.org/10.3390/biom10040619.

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The copper-catalyzed alkyne-azide cycloaddition (CuAAC) is one of the most powerful chemical strategies for selective fluorescent labeling of biomolecules in in vitro or biological systems. In order to accelerate the ligation process and ensure efficient formation of conjugates under diluted conditions, external copper(I) ligands or sophisticated copper(I)-chelating azides are used. This latter strategy, however, increases the bulkiness of the triazole linkage, thus perturbing the biological function or dynamic behavior of the conjugates. In a proof-of-concept study, we investigated the use of an extremely compact fluorophore-based copper(I) chelating azide in order to accelerate the CuAAC with concomitant fluorescence labeling; in our strategy, the fluorophore is able to complex copper(I) species while retaining its photophysical properties. It is believed that this unprecedented approach which was applied for the labeling of a short peptide molecule and the fluorescent labeling of live cells, could be extended to other families of nitrogen-based fluorophores in order to tune both the reaction rate and photophysical characteristics.

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14

Price, Jayden, Emily Albright, Andreas Decken, and Sara Eisler. "Thioarylmaleimides: accessible, tunable, and strongly emissive building blocks." Organic & Biomolecular Chemistry 17, no. 44 (2019): 9562–66. http://dx.doi.org/10.1039/c9ob01741k.

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Thioarylmaleimides (TAMS) with a wide range of photophysical properties were realized. The photophysical properties of the TAMS are varied, and can be controlled via strategic choice of the thioaryl moiety.

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15

Zanoni, Kassio P. S., Akitaka Ito, Malte Grüner, Neyde Y. Murakami Iha, and Andrea S. S. de Camargo. "Photophysical dynamics of the efficient emission and photosensitization of [Ir(pqi)2(NN)]+complexes." Dalton Transactions 47, no. 4 (2018): 1179–88. http://dx.doi.org/10.1039/c7dt03930a.

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Rational photophysical investigation through experimental and theoretical analyses reveals the photophysical dynamics of the highly-emissive [Ir(pqi)₂(NN)]⁺complex series, with remarkable emission quantum yields and efficient generation of singlet oxygen.

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16

Renno, Giacomo, Francesca Cardano, Giorgio Volpi, Claudia Barolo, Guido Viscardi, and Andrea Fin. "Imidazo[1,5-a]pyridine-Based Fluorescent Probes: A Photophysical Investigation in Liposome Models." Molecules 27, no. 12 (June 16, 2022): 3856. http://dx.doi.org/10.3390/molecules27123856.

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Imidazo[1,5-a]pyridine is a stable scaffold, widely used for the development of emissive compounds in many application fields (e.g., optoelectronics, coordination chemistry, sensors, chemical biology). Their compact shape along with remarkable photophysical properties make them suitable candidates as cell membrane probes. The study of the membrane dynamics, hydration, and fluidity is of importance to monitor the cellular health and to explore crucial biochemical pathways. In this context, five imidazo[1,5-a]pyridine-based fluorophores were synthesized according to a one-pot cyclization between an aromatic ketone and benzaldehyde in the presence of ammonium acetate and acetic acid. The photophysical features of prepared compounds were investigated in several organic solvents and probes 2–4 exhibited the greatest solvatochromic behavior, resulting in a higher suitability as membrane probes. Their interaction with liposomes as artificial membrane model was tested showing a successful intercalation of the probes in the lipid bilayer. Kinetic experiments were carried out and the lipidic phase influence on the photophysical features was evaluated through temperature-dependent experiments. The results herein reported encourage further investigations on the use of imidazo[1,5-a]pyridine scaffold as fluorescent membrane probes.

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17

Pal, Ayan, Md Palashuddin Sk, and Arun Chattopadhyay. "Recent advances in crystalline carbon dots for superior application potential." Materials Advances 1, no. 4 (2020): 525–53. http://dx.doi.org/10.1039/d0ma00108b.

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The present review article focuses on novel findings corresponding to the structural and photophysical properties of carbon dots. The article also highlights unique characteristics of crystalline dots that offer new chemistry and thus new application potential.

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18

Naik, Susmita, Saurabh Kumar, Joel T. Mague, and Maravanji S. Balakrishna. "A hybrid terpyridine-based bis(diphenylphosphino)amine ligand, terpy-C6H4N(PPh2)2: synthesis, coordination chemistry and photoluminescence studies." Dalton Transactions 45, no. 46 (2016): 18434–37. http://dx.doi.org/10.1039/c6dt03440c.

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19

Belletête, Michel, Mélanie Bédard, Jimmy Bouchard, Mario Leclerc, and Gilles Durocher. "Spectroscopic and photophysical properties of carbazole-based triads." Canadian Journal of Chemistry 82, no. 8 (August 1, 2004): 1280–88. http://dx.doi.org/10.1139/v04-096.

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A study of the spectroscopy and photophysics of four carbazole-based triads, namely, 1,4-bis(N-octylcarbazol-2-yl)phenylene (CPC), 2,5-bis(N-octylcarbazol-2-yl)thiophene (CTC), 2,7-bis(N-octylcarbazol-2-yl)-9,9-dihexylfluorene (CFC), and 2,7-bis(N-octylcarbazol-2-yl)-N-octylcarbazole (CCC) are reported. From ZINDO/S calculations performed on the optimized ground state geometries (HF/6-31G*), the S1 ← S0 and S2 ← S0 electronic transitions of CPC, CFC, and CCC are weakly allowed, whereas the S3 ← S0 electronic transition is dipole-allowed (x axis) and possesses a high value of the oscillator strength. On the other hand, for CTC, the dipole-allowed electronic transition is S1 ← S0. For the four derivatives, the dipole-allowed transition corresponds mainly to the promotion of an electron from the HOMO to the LUMO. The first absorption band of each derivative can be assigned to the dipole-allowed transition. The geometry optimization of the excited states has been done with RCIS/6-31G* ab initio calculations. For CPC, CFC, and CCC, S3 is much more stabilized than S1 and S2, causing a crossing of the singlet excited states (S3 becomes lower in energy than S1 and S2). Emission energies from the first relaxed excited states (S1 → S0) have been obtained from ZINDO/S calculations performed on the optimized S1 geometries (RCIS/6-31G*). It is found that these energies are in very good agreement with those determined from the fluorescence spectra. Going from CPC to CTC, the replacement of a phenylene ring by a thiophene unit induces a red shift in the absorption and fluorescence spectra. This behavior is interpreted in terms of the electron donor properties of the thiophene ring. The increase of the oligomer chain (CFC and CCC compared to CPC) also induces bathochromic shifts in the spectra because of a longer electronic delocalization along the molecular frame. From fluorescence data, it is observed that a more planar conformation is favored in the relaxed excited states. RCIS/6-31G* ab initio calculations performed on the S1 relaxed excited states confirm this statement. Finally, the photophysical properties of CTC are mainly governed by nonradiative processes (knr), whereas the variation in the photophysics of CPC, CFC, and CCC mainly involves radiative processes (kF).Key words: electronic spectroscopy, fluorescence, photophysics, ab initio calculations, excited states.

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20

Walter Tausch, Michael. "Teaching Photochemistry with Microscale Experiments. A Contribution for the Ongoing Curriculum Modernisation." Educación Química 16, no. 4 (August 25, 2018): 529. http://dx.doi.org/10.22201/fq.18708404e.2005.4.66090.

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<span>A fundamental demand on chemical education today is to communicate core principles of chemistry closely linked to everyday life experiences of students as well as to convincing applications from science, technology and environment. Photochemical and photophysical processes are par excellence suitable to fulfill this requirement.</span>

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21

Teeuwen, Paula C. P., Zoi Melissari, Mathias O. Senge, and René M. Williams. "Metal Coordination Effects on the Photophysics of Dipyrrinato Photosensitizers." Molecules 27, no. 20 (October 17, 2022): 6967. http://dx.doi.org/10.3390/molecules27206967.

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Within this work, we review the metal coordination effect on the photophysics of metal dipyrrinato complexes. Dipyrrinato complexes are promising candidates in the search for alternative transition metal photosensitizers for application in photodynamic therapy (PDT). These complexes can be activated by irradiation with light of a specific wavelength, after which, cytotoxic reactive oxygen species (ROS) are generated. The metal coordination allows for the use of the heavy atom effect, which can enhance the triplet generation necessary for generation of ROS. Additionally, the flexibility of these complexes for metal ions, substitutions and ligands allows the possibility to tune their photophysical properties. A general overview of the mechanism of photodynamic therapy and the properties of the triplet photosensitizers is given, followed by further details of dipyrrinato complexes described in the literature that show relevance as photosensitizers for PDT. In particular, the photophysical properties of Re(I), Ru(II), Rh(III), Ir(III), Zn(II), Pd(II), Pt(II), Ni(II), Cu(II), Ga(III), In(III) and Al(III) dipyrrinato complexes are discussed. The potential for future development in the field of (dipyrrinato)metal complexes is addressed, and several new research topics are suggested throughout this work. We propose that significant advances could be made for heteroleptic bis(dipyrrinato)zinc(II) and homoleptic bis(dipyrrinato)palladium(II) complexes and their application as photosensitizers for PDT.

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22

Arbogast, James W., and Christopher S. Foote. "Photophysical properties of C70." Journal of the American Chemical Society 113, no. 23 (November 1991): 8886–89. http://dx.doi.org/10.1021/ja00023a041.

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23

Sazanovich, Igor V., Dmitry B. Berezin, Arie van Hoek, Andrei Yu Panarin, Vladimir L. Bolotin, Alexander S. Semeykin, and Vladimir S. Chirvony. "The photophysical and metal coordination properties of the N-CH3 substituted porphyrins: H(N-CH3) TPP vs H(N-CH3)OEP." Journal of Porphyrins and Phthalocyanines 09, no. 01 (January 2005): 59–67. http://dx.doi.org/10.1142/s1088424605000113.

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The effect of N -methyl substitution on photophysical and metal coordination properties of the respective derivatives of octaethylporphyrin ( H 2 OEP ) and tetraphenylporphyrin ( H 2 TPP ) was studied by means of steady-state and time-resolved optical spectroscopies combined with semi-empirical quantum-chemical calculations and coordination chemistry methods. In case of H 2 TPP , the insertion of the methyl substituent into the center of the porphyrin macrocycle leads to noticeable nonplanar distortions of the molecule and is accompanied by changes of its photophysical and physicochemical properties towards those manifested by “classical” nonplanar porphyrins. Contrasting to that, N -methyl substituted H 2 OEP does not undergo significant nonplanar distortions and possesses photophysical characteristics mainly similar to unsubstituted H 2 OEP , except for the long-wavelength shift of the absorption and emission bands. The Zn coordination/ Zn complex dissociation and macrocycle thermal stability parameters were also determined for both N -methyl substituted and parent unsubstituted macrocycles, which correlate well with a higher degree of nonplanarity of the N -methyl substituted H 2 TPP as compared to H 2 OEP . Basing on the results of this study the conclusion postulated is that N -methyl substitution has a different effect on the photophysical and coordination properties of H 2 TPP vs. H 2 OEP .

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24

Taima, Masahiro, Yuka Ishida, and Tatsuo Arai. "Intramolecular energy transfer and photoisomerization in stilbene dendrimers." Canadian Journal of Chemistry 95, no. 9 (September 2017): 1013–23. http://dx.doi.org/10.1139/cjc-2017-0137.

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Stilbene dendrimers with energy harvesting chromophores, such as naphthalene and benzophenone, have been prepared and their photochemical and photophysical properties have been examined. These dendrimers underwent trans–cis mutual photoisomerization on excitation of the core stilbene or the peripheral naphthalene and benzophenone chromophores through several energy transfer processes, and photophysical processes such as intersystem crossing finally resulted in cis-trans isomerization of the core stilbene.

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25

Karpkird, Thitinun Monhaphol, Supason Wanichweacharungruang, and Bo Albinsson. "Photophysical characterization of cinnamates." Photochemical & Photobiological Sciences 8, no. 10 (2009): 1455. http://dx.doi.org/10.1039/b909695g.

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26

Reimann, Louise Kommers, Daniela de Souza Fortes, Fabiano da Silveira Santos, Henrique de Castro Silva Junior, Ana Moira Morás, Dinara Jaqueline Moura, Rodrigo da Costa Duarte, and Fabiano Severo Rodembusch. "Near-Infrared-Emitting Meso-Substituted Heptamethine Cyanine Dyes: From the Synthesis and Photophysics to Their Use in Bioimaging." Chemosensors 11, no. 1 (January 5, 2023): 47. http://dx.doi.org/10.3390/chemosensors11010047.

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Heptamethine cyanine dyes were synthesized in good yields by the reaction between quaternary indoles and a pentamethinic salt, under mild reaction conditions minimizing photooxidation. These compounds were used as precursors to prepare meso-substituted derivatives. The cyanine dye precursors presented UV-Vis absorption, related to fully allowed electronic transitions and fluorescence emission in the NIR region, without any evidence of aggregation in both ground and excited states. The substitution at the meso position showed a fundamental role in their photophysics, with the main absorption in the green-orange region related to the monomeric species. Moreover, the excited state photophysics presented emission profiles dependent on the excitation wavelengths, complicating the correlation of spectroscopy and structure. Density Functional Theory and OO-SCS-MP2 calculations under different solvation conditions revealed the heavy impact of conjugation effects on ground and excited states’ geometries and electronic configurations of these compounds. Finally, the observed photophysical features of the meso-substituted heptamethine cyanine dyes were successfully used to explore their application as fluorescent probes in biological media, allowing stable staining in live and fixed cells.

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27

González-Rodríguez, David, and Giovanni Bottari. "Phthalocyanines, subphthalocyanines and porphyrins for energy and electron transfer applications." Journal of Porphyrins and Phthalocyanines 13, no. 04n05 (April 2009): 624–36. http://dx.doi.org/10.1142/s1088424609000802.

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The importance and complexity of energy and electron transfer reactions in biological and artificial light energy conversion systems have prompted the preparation and photophysical study of donor-acceptor (D-A) molecular models. This article aims to highlight the efforts of Portuguese and Spanish research groups on the design, synthesis and photophysical study of molecular and supramolecular donor-acceptor systems based on phthalocyanines, subphthalocyanines and porphyrins.

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28

Brewster, James, Gonzalo Anguera, and Jonathan Sessler. "Expanding the Porphycene Core: Modification and Metalation." Synlett 30, no. 07 (December 13, 2018): 765–69. http://dx.doi.org/10.1055/s-0037-1610345.

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Porphycenes, the first structural isomer of porphyrin, display unique chemical and photophysical properties. In this Account, we detail our group’s individual and collaborative efforts in elucidating further the chemical properties of porphycene. Particular emphasis will be placed on recent efforts devoted to expanding the porphycene core.1 Introduction2 Exploring the Chemistry of Porphycene3 Synthesis and Metalation of an Expanded Porphycene4 Conclusion

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29

Boyer, Richard, George Deckey, Charles Marzzacco, Maureen Mulvaney, Catherine Schwab, and Arthur M. Halpern. "The photophysical properties of 2-naphthol: A physical chemistry experiment." Journal of Chemical Education 62, no. 7 (July 1985): 630. http://dx.doi.org/10.1021/ed062p630.

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30

Diz, Virginia E., Gabriela A. Gauna, Cristian A. Strassert, Josefina Awruch, and Lelia E. Dicelio. "Photophysical properties of microencapsulated phthalocyanines." Journal of Porphyrins and Phthalocyanines 14, no. 03 (March 2010): 278–83. http://dx.doi.org/10.1142/s1088424610002008.

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Lipophilic substituted zinc(II) phthalocyanines: 2,3,9,10,16,17,23,24-octakis[(N,N-dimethylaminoethylsulfanyl)]phthalocyaninatozinc(II) (S1) and tetrakis(N,N-dibutylaminoethoxy)phthalocyaninatozinc(II) (3) were incorporated into soybean L-α-phosphatidylcholine (SPC) liposomes of 100 nm diameter. Liposomes were characterized by static light scattering (SLS), transmission electronic microscopy (TEM), and differential scanning calorimetry. The fluorescence quantum yield and singlet molecular oxygen production of 3 are Φ F = 0.15 and ΦΔ = 0.24, respectively, whereas the same photophysical parameters for S1 are Φ F = 0.13 and ΦΔ = 0.51. Higher values of Φ F and ΦΔ are obtained in organic solvent for both dyes. Synthesis of compound 3 has also been reported.

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31

Patmore, Nathan J. "Photophysical properties of metal complexes." Annual Reports Section "A" (Inorganic Chemistry) 105 (2009): 525. http://dx.doi.org/10.1039/b818289m.

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32

Ward, Michael D. "Photophysical properties of metal complexes." Annual Reports Section "A" (Inorganic Chemistry) 102 (2006): 584. http://dx.doi.org/10.1039/b514853g.

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33

Patmore, Nathan J. "Photophysical properties of metal complexes." Annual Reports Section "A" (Inorganic Chemistry) 103 (2007): 518. http://dx.doi.org/10.1039/b702671b.

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34

Elliott, Paul I. P. "Photophysical properties of metal complexes." Annual Reports Section "A" (Inorganic Chemistry) 106 (2010): 526. http://dx.doi.org/10.1039/b918409k.

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35

Elliott, Paul I. P. "Photophysical properties of metal complexes." Annual Reports Section "A" (Inorganic Chemistry) 107 (2011): 399. http://dx.doi.org/10.1039/c1ic90012a.

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36

Taniya, Olga S., Albert F. Khasanov, Mikhail V. Varaksin, Ekaterina S. Starnovskaya, Alexey P. Krinochkin, Maria I. Savchuk, Dmitry S. Kopchuk, et al. "Azapyrene-based fluorophores: synthesis and photophysical properties." New Journal of Chemistry 45, no. 45 (2021): 20955–71. http://dx.doi.org/10.1039/d1nj03531b.

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Almodôvar, Vítor A. S., and Augusto C. Tomé. "Porphyrin–diketopyrrolopyrrole conjugates and related structures: Synthesis, properties and applications." Journal of Porphyrins and Phthalocyanines 24, no. 01n03 (January 2020): 43–66. http://dx.doi.org/10.1142/s1088424619300271.

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A large diversity of porphyrin–diketopyrrolopyrrole conjugates and related structures formed by diketopyrrolopyrrole units and pyrrole-based moieties such as phthalocyanine, porphycene, calix[4]pyrrole or BODIPY have been reported since 2010. The new compounds, whether small molecules or polymeric materials, exhibit very interesting photophysical properties and have been tested in a range of technical or biological applications. This review summarizes the advances in the synthesis of such compounds. Their photophysical properties and potential applications are also briefly discussed.

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Xue, Jinping, Lixuan Cai, Naisheng Chen, and Jinling Huang. "Synthesis and photophysical properties of zinc phthalocyanines substituted with quinolinoxy group." Journal of Porphyrins and Phthalocyanines 13, no. 12 (December 2009): 1206–13. http://dx.doi.org/10.1142/s108842460900156x.

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The synthesis of tetrasubstituted zinc phthalocyanines bearing quinolinoxy groups are reported for the first time. The new compounds have been characterized by elemental analysis, IR, MS and electronic spectroscopy. The photophysical properties, such as the electronic absorption spectra and fluorescence spectra, have also been investigated and discussed together with the influence of substituent position and organic solvents on these properties. The introduction of quinolinoxy group to the Pc ring was found to affect these photophysical properties to some extent.

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Gupta, Ravindra Kumar, Suraj Kumar Pathak, Joydip De, Santanu Kumar Pal, and Ammathnadu S. Achalkumar. "Room temperature columnar liquid crystalline self-assembly of acidochromic, luminescent, star-shaped molecules with cyanovinylene chromophores." Journal of Materials Chemistry C 6, no. 7 (2018): 1844–52. http://dx.doi.org/10.1039/c7tc05898e.

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Avnir, David, Edna Wellner, and Michael Ottolenghi. "Photophysical recognition of chiral surfaces." Journal of the American Chemical Society 111, no. 6 (March 1989): 2001–3. http://dx.doi.org/10.1021/ja00188a008.

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da Silveira Santos, Fabiano, Carolina H. da Silveira, Fábio Souza Nunes, Daniele C. Ferreira, Henrique F. V. Victória, Klaus Krambrock, Otávio A. Chaves, Fabiano S. Rodembusch, and Bernardo A. Iglesias. "Photophysical, photodynamical, redox properties and BSA interactions of novel isomeric tetracationic peripheral palladium(ii)-bipyridyl porphyrins." Dalton Transactions 49, no. 45 (2020): 16278–95. http://dx.doi.org/10.1039/d0dt01063d.

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Gaigalas, A. K., K. D. Cole, S. Bykadi, Lili Wang, and Paul DeRose. "Photophysical Properties of Ricin." Photochemistry and Photobiology 83, no. 5 (September 2007): 1149–56. http://dx.doi.org/10.1111/j.1751-1097.2007.00091.x.

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Reimann, Sebastian, Muhammad Sharif, Kai Wittler, Leif R. Knöpke, Annette-E. Surkus, Christian Roth, Ralf Ludwig, and Peter Langer. "3-Pyrenylacrylates: Synthetic, Photophysical, Theoretical and Electrochemical Investigations." Zeitschrift für Naturforschung B 68, no. 4 (April 1, 2013): 367–77. http://dx.doi.org/10.5560/znb.2013-3004.

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The Mizoroki-Heck coupling of 1-bromopyrene with acrylates provides a convenient access to a variety of 3-pyrenylacrylates in very good yields (up to 93%). Their photophysical properties combined with solvatochromic effects were studied. In addition, electrochemical oxidation potentials were determined by DPV (differential pulse voltammetry) measurements. The fine structure of the absorbance spectra obtained from photophysical measurements are compared with the results of theoretical calculations performed by time dependent TD-B3LYP methods using the 6-31G* basis set.

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WIEHE, ARNO, EKATERINA J. SIMONENKO, MATHIAS O. SENGE, and BEATE RÖDER. "Hydrophilicity vs hydrophobicity — varying the amphiphilic structure of porphyrins related to the photosensitizer m-THPC." Journal of Porphyrins and Phthalocyanines 05, no. 10 (October 2001): 758–61. http://dx.doi.org/10.1002/jpp.389.

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A total of 21 different porphyrins, some of them closely related to the photosensitizer meta-tetrahydroxyphenylchlorin (m-THPC) with a varied degree of hydrophilic/lipophilic substitution were synthesized employing conventional porphyrin condensation procedures and modern functionalization via organolithium reagents. For 14 of them, the photodynamic therapy (PDT) related photophysical properties were determined in isotropic solution and in liposome membrane-model systems. The photophysical data indicate that the localization of m-THPC may be fine-tuned by carefully changing the substitution pattern.

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Huang, Rongjuan, Jonathan S. Ward, Nadzeya A. Kukhta, João Avó, Jamie Gibson, Thomas Penfold, João C. Lima, et al. "The influence of molecular conformation on the photophysics of organic room temperature phosphorescent luminophores." Journal of Materials Chemistry C 6, no. 34 (2018): 9238–47. http://dx.doi.org/10.1039/c8tc02987c.

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Bensasson, R. V., E. Bienvenue, J. M. Janot, E. J. Land, S. Leach, and P. Seta. "Photophysical properties of C76." Chemical Physics Letters 283, no. 3-4 (February 1998): 221–26. http://dx.doi.org/10.1016/s0009-2614(97)01308-0.

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Chen, Kuizhi, Xia Li, Bingcheng Huang, Qiuhao Ye, Wenling Xiao, Xinqiao Guan, Limin Chen, and Yiru Peng. "Thiophenic silicon phthalocyanines: synthesis, characterization, and photophysical properties." New Journal of Chemistry 45, no. 1 (2021): 457–62. http://dx.doi.org/10.1039/d0nj04355a.

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OWENS, JOHN W., and MARSHA ROBINS. "Phthalocyanine photophysics and photosensitizer efficiency on human embryonic lung fibroblasts." Journal of Porphyrins and Phthalocyanines 05, no. 05 (May 2001): 460–64. http://dx.doi.org/10.1002/jpp.340.

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This study correlates the photophysical properties of aluminum phthalocyanine tetrasulfonate (AlPcTs), zinc phthalocyanine tetrasulfonate (ZnPcTs), and phthalocyanine tetrasulfonate (PcTs) with their ability to kill human embryonic lung (HEL) cells. Photofrin, a proven anti-cancer drug, was used for comparison. The photophysical properties include fluorescence emission spectra, fluorescence quantum yields, singlet state and radiative lifetimes, quantum yield for triplet formation, and fluorescence rate constants. Results indicate that photodynamic efficacy correlates inversely with fluorescence quantum yield and fluorescence lifetime and directly with quantum yield for triplet formation.

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Nwaji, Njemuwa, John Mack, and Tebello Nyokong. "4-Bis(4-aminophenoxy)phenoxy derivitized phthalocyanine conjugated to metallic nanoparticles: searching for enhanced optical limiting materials." New Journal of Chemistry 41, no. 23 (2017): 14351–63. http://dx.doi.org/10.1039/c7nj02718d.

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Cortecchia, Daniele, Jun Yin, Annamaria Petrozza, and Cesare Soci. "White light emission in low-dimensional perovskites." Journal of Materials Chemistry C 7, no. 17 (2019): 4956–69. http://dx.doi.org/10.1039/c9tc01036j.

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