Spectroscopy and Photophysics of Self-Organized Zinc Porphyrin Nanolayers. 1. Optical Spectroscopy of Excitonic Interactions Involving the Soret Band

Autor: Rob B. M. Koehorst, Harry Donker, Tjeerd J. Schaafsma

Publikováno v: The Journal of Physical Chemistry Part B: Condensed Matter, Materials, Surfaces, Interfaces & Biophysical 109 (2005) 36
The Journal of Physical Chemistry Part B: Condensed Matter, Materials, Surfaces, Interfaces & Biophysical, 109(36), 17031-17037

The photophysical properties of excited singlet states of zinc tetra-(p-octylphenyl)-porphyrin in 5-25-nm-thick films spin-coated onto quartz slides have been investigated by optical spectroscopy. Analysis of the polarized absorption spectra using a

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8268ee10f9597dc1e6de74a3d2dd262b
https://doi.org/10.1021/jp058054o

Nonisotropic Excitation Energy Transport in Organized Molecular Systems: Monte Carlo Simulation-Based Analysis of Fluorescence and Fluorescence Anisotropy Decay

Autor: Eugene Novikov, Mikalai M. Yatskou, Harry Donker, Arie van Hoek, Vladimir V. Apanasovich, R.B.M. Koehorst, Tjeerd J. Schaafsma

Publikováno v: The Journal of Physical Chemistry Part A: Molecules, Spectroscopy, Kinetics, Environment, & General Theory 105 (2001) 41
The Journal of Physical Chemistry Part A: Molecules, Spectroscopy, Kinetics, Environment, & General Theory, 105(41), 9498-9508

An improved application is presented of the Monte Carlo method including simultaneous parameter fitting to analyze the experimental time-resolved fluorescence and fluorescence anisotropy decay of two organized molecular systems exhibiting a number of

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e8485e107b522eac4e91f94cd39a1052
https://doi.org/10.1021/jp0044227

Spectroscopic Study of Erythrosin B in PVA Films

Autor: F.J. Vergeldt, G. van der Zwan, A.B. Sieval, R.G. Stomphorst, M.A.M.J. van Zandvoort, Tjeerd J. Schaafsma, Han Zuilhof

Publikováno v: The Journal of Physical Chemistry Part A: Molecules, Spectroscopy, Kinetics, Environment, & General Theory 105 (2001)
The Journal of Physical Chemistry A, 105(17), 4234-4240. American Chemical Society
Stomphorst, R G, van der Zwan, G, van Zandvoort, M A M J, Sieval, A B, Zuilhof, H, Vergelfdt, F J & Schaafsma, T J 2001, ' Spectroscopic study of erythrosin B in PVA films ', The Journal of Physical Chemistry A, vol. 105, no. 17, pp. 4234-4240 . https://doi.org/10.1021/jp0041813
The Journal of Physical Chemistry Part A: Molecules, Spectroscopy, Kinetics, Environment, & General Theory, 105, 4235-4240

The effects of increasing concentration (10-7-2.5 x 10-3 mol/g) of Erythrosin B (Ery B) in poly(vinyl alcohol) films on its visible absorption spectrum have been investigated. In a concentration range of 2 x 10-7-10-5 mol/g, no effects on the absorpt

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b0d4bc2e3753129a5840cc88df1e8a0b
https://doi.org/10.1021/jp0041813

Visible Light Sensitization of Titanium Dioxide with Self-Organized Porphyrins: Organic P−I−N Solar Cells

Autor: Jeannette Wienke, Tjeerd J. Schaafsma, Albert Goossens

Publikováno v: The Journal of Physical Chemistry B. 103:2702-2708

Free base 5,10,15,20-tetrakis(4-n-octylphenyl) porphyrin (H{sub 2}TOPP) belongs to a class of self-organizing porphyrins. Since its LUMO lies above the conduction band of titanium dioxide (TiO{sub 2}) and its visible light absorption is very strong,

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https://doi.org/10.1021/jp9829851

On the Nature of the Fluorescent State in β-Nitrotetraarylporphyrins

Autor: S. I. Shishporenok, Tjeerd J. Schaafsma, I. V. Filatov, I. V. Avilov, Vladimir S. Chirvony, Sergei N. Terekhov, P. P. Pershukevich, V. L. Malinovskii, A. van Hoek

Publikováno v: The Journal of Physical Chemistry B. 102:9714-9724

2-NO2-5,10,15,20-tetraphenylporphyrin (H2TPP−NO2) is shown to exist in solution as an equilibrium mixture of two NH tautomers with different spectral and photophysical properties. At 77 K in a rigid glass solution the fluorescence spectra of the ta

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a4f2cdf25ab4d00d43d8a783e4135d8d
https://doi.org/10.1021/jp982039k