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Taniguchi M, Lindsey JS, Bocian DF, Holten D. Comprehensive review of photophysical parameters (ε, Φf, τs) of tetraphenylporphyrin (H2TPP) and zinc tetraphenylporphyrin (ZnTPP) – Critical benchmark molecules in photochemistry and photosynthesis. JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY C-PHOTOCHEMISTRY REVIEWS 2021. [DOI: 10.1016/j.jphotochemrev.2020.100401] [Citation(s) in RCA: 36] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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Zagami R, Trapani M, Castriciano M, Romeo A, Mineo P, Scolaro LM. Synthesis, characterization and aggregation behavior of room temperature ionic liquid based on porphyrin- trihexyl(tetradecyl)phosphonium adduct. J Mol Liq 2017. [DOI: 10.1016/j.molliq.2016.12.022] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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Topal SZ, Ün ŞŞ, Bretonnière Y, Kostakoğlu ST. New designed naphthalimide-phthalocyanine pentads: Synthesis, photophysical and photochemical properties in DMSO and room temperature ionic liquids. J Photochem Photobiol A Chem 2017. [DOI: 10.1016/j.jphotochem.2016.09.028] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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Steer RP. Concerning correct and incorrect assignments of Soret (S2-S0) fluorescence in porphyrinoids: a short critical review. Photochem Photobiol Sci 2015; 13:1117-22. [PMID: 24849142 DOI: 10.1039/c4pp00122b] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
The relaxation dynamics of electronically excited porphyrinoids are often measured by steady-state and time-resolved fluorescence methods. The unusual occurrence of measurable fluorescence from an upper excited singlet state (often identified as the second electronically excited singlet state, S2) of some porphyrins has, in recent years, prompted a spate of mis-assignments of observed emission from other porphyrinoids excited in the near UV-violet regions of the spectrum. The criteria for correctly assigning fluorescence to a Soret excited state are reviewed. Questionable and mis-assigned reports are identified.
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Affiliation(s)
- Ronald P Steer
- Department of Chemistry, University of Saskatchewan, 110 Science Place, Saskatoon, SK, Canada S7N 5C9.
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Giri NK, Banerjee A, Scott RWJ, Paige MF, Steer RP. Spectroscopic and photophysical study of the demetallation of a zinc porphyrin and the aggregation of its free base in a tetraalkylphosphonium ionic liquid. Phys Chem Chem Phys 2014; 16:26252-60. [DOI: 10.1039/c4cp04257c] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Dissolving zinc tetraphenylporphyrin in the tetraalkylphosphonium chloride ionic liquid P4448Cl results in progressive demetallation of the solute and quantitative production of the free base porphyrin.
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Affiliation(s)
- Neeraj K. Giri
- Department of Chemistry
- University of Saskatchewan
- Saskatoon, Canada
| | | | | | - Matthew F. Paige
- Department of Chemistry
- University of Saskatchewan
- Saskatoon, Canada
| | - Ronald P. Steer
- Department of Chemistry
- University of Saskatchewan
- Saskatoon, Canada
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Zhao YF, Liu LL, Jin WJ. The solvation dynamics at millisecond scale of Pd(II)-meso-tetra(4-carboxyphenyl)porphine in solid imidazolium-sulfonate-based ionic liquids. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2013; 112:146-151. [PMID: 23666349 DOI: 10.1016/j.saa.2013.04.056] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/16/2013] [Revised: 04/07/2013] [Accepted: 04/10/2013] [Indexed: 06/02/2023]
Abstract
The phosphorescence behavior and solvation dynamics of Pd(II)-meso-tetra(4-carboxyphenyl)porphine (Pd-TCPP) in three imidazolium ionic liquids (ILs) has been studied. The phosphorescence excitation and emission position of Pd-TCPP are dependent on the polarity, constituent ions and structure of the ILs. The phosphorescence decay of Pd-TCPP in these ILs is bi-exponential, and the average lifetimes decrease in the following order: 0.844 ms in 1-butylimidazolium p-toluenesulfonate (HBIMTS)>0.472 ms in 1-butylimidazolium trifluoromethane sulfonate (HBIMTfO)>0.412 ms in 1-butyl-3-methylimidazolium p-toluenesulfonate (BMIMTS). The time-resolved phosphorescence emission spectra (TRPES) of Pd-TCPP display apparently blue-shifts with increasing time. The normalized Stokes shift correlation functions C(t) of Pd-TCPP in these ILs are mono-exponential, and the solvation relaxation times are 2.97, 47.7 and 12.1 ms in HBIMTfO, HBIMTS and BMIMTS, respectively. The solvation dynamics may be attributed to the collective motion of the ion pairs composed of imidazolium cations and counter anions to the area surrounding Pd-TCPP.
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Affiliation(s)
- Yun Fang Zhao
- College of Chemistry, Beijing Normal University, Beijing 100875, People's Republic of China
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Chatterjee S, Sengupta K, Bhattacharyya S, Nandi A, Samanta S, Mittra K, Dey A. Photophysical and ligand binding studies of metalloporphyrins bearing hydrophilic distal superstructure. J PORPHYR PHTHALOCYA 2013. [DOI: 10.1142/s1088424613500119] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
UV-vis absorption and emission studies on zinc and iron porphyrin complexes bearing H-bonding distal superstructures have been performed in two different organic solvents- tetrahydrofuran (THF) (coordinating) and dichloromethane (DCM) (non-coordinating). Quantum yields and lifetimes have been measured for these complexes which are in good agreement with the other reported metalloporphyrins. Binding affinities with anionic ligands such as N3- , CN- , S-2 , F- were monitored for these two complexes in aqueous media and the respective binding constant values were calculated. The Zn complex shows more selectivity towards cyanide while the Fe complex shows more selectivity towards azide.
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Affiliation(s)
- Sudipta Chatterjee
- Department of Inorganic Chemistry, Indian Association for the Cultivation of Science, Kolkata 700032, India
| | - Kushal Sengupta
- Department of Inorganic Chemistry, Indian Association for the Cultivation of Science, Kolkata 700032, India
| | - Sohini Bhattacharyya
- Department of Inorganic Chemistry, Indian Association for the Cultivation of Science, Kolkata 700032, India
| | - Amrit Nandi
- Department of Inorganic Chemistry, Indian Association for the Cultivation of Science, Kolkata 700032, India
| | - Subhra Samanta
- Department of Inorganic Chemistry, Indian Association for the Cultivation of Science, Kolkata 700032, India
| | - Kaustuv Mittra
- Department of Inorganic Chemistry, Indian Association for the Cultivation of Science, Kolkata 700032, India
| | - Abhishek Dey
- Department of Inorganic Chemistry, Indian Association for the Cultivation of Science, Kolkata 700032, India
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Pandey S, Baker SN, Pandey S, Baker GA. Fluorescent Probe Studies of Polarity and Solvation within Room Temperature Ionic Liquids: A Review. J Fluoresc 2012; 22:1313-43. [DOI: 10.1007/s10895-012-1073-x] [Citation(s) in RCA: 37] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2012] [Accepted: 05/29/2012] [Indexed: 10/28/2022]
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Itoh T. Fluorescence and phosphorescence from higher excited states of organic molecules. Chem Rev 2012; 112:4541-68. [PMID: 22591067 DOI: 10.1021/cr200166m] [Citation(s) in RCA: 226] [Impact Index Per Article: 18.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Takao Itoh
- Graduate School of Integrated Arts and Sciences, Hiroshima University, 1-7-1 Kagamiyama, Higashi-Hiroshima City, 739-8521 Japan.
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Sugunan SK, Robotham B, Sloan RP, Szmytkowski J, Ghiggino KP, Paige MF, Steer RP. Photophysics of Untethered ZnTPP–Fullerene Complexes in Solution. J Phys Chem A 2011; 115:12217-27. [DOI: 10.1021/jp2082853] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Affiliation(s)
- Sunish K. Sugunan
- Department of Chemistry, University of Saskatchewan, 110 Science Place Saskatoon, SK, Canada S7N 5C9
| | - Benjamin Robotham
- School of Chemistry, University of Melbourne, Parkville, Victoria 3010, Australia
| | - Ryan P. Sloan
- Department of Chemistry, University of Saskatchewan, 110 Science Place Saskatoon, SK, Canada S7N 5C9
| | - Jędrzej Szmytkowski
- Department of Chemistry, University of Saskatchewan, 110 Science Place Saskatoon, SK, Canada S7N 5C9
| | - Kenneth P. Ghiggino
- School of Chemistry, University of Melbourne, Parkville, Victoria 3010, Australia
| | - Matthew F. Paige
- Department of Chemistry, University of Saskatchewan, 110 Science Place Saskatoon, SK, Canada S7N 5C9
| | - Ronald P. Steer
- Department of Chemistry, University of Saskatchewan, 110 Science Place Saskatoon, SK, Canada S7N 5C9
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Szmytkowski J, Brunet SM, Tripathy U, O’Brien JA, Paige MF, Steer RP. Photophysics and halide quenching of Soret-excited ZnTPPS4− in aqueous media. Chem Phys Lett 2011. [DOI: 10.1016/j.cplett.2010.11.010] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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