Zobrazeno 1 - 10
of 16
pro vyhledávání: '"77"'
Autor:
Dan Meisel, A. Bromberg
Publikováno v:
The Journal of Physical Chemistry. 89:2507-2513
Luminescence emission and excitation spectra of benzene thin film under slow electron impact at 77 K
Publikováno v:
The Journal of Physical Chemistry. 87:3959-3961
Luminescence bands of thin-film benzene at 77K, excited by slow electron impact, are attributed to fluorescence of the monomer at 280 nm, and tentatively to fluorescence and phosphorescence of benzene isomers at 303 and 395 nm, respectively. The elec
Autor:
Ajit Kumar Ghosh, Debnarayan Nath, Kankan Bhattacharyya, Devashis Majumdar, K. Das, Nilmoni Sarkar
Publikováno v:
The Journal of Physical Chemistry. 98:9126-9132
An excited-state intramolecular proton transfer (ESIPT) process in 2-(2’-hydroxyphenyl) benzimidazole and -benzoxazole (HPBI and HBO, respectively) has been studied using steady-state and time-resolved emission spectroscopy at various temperatures
Autor:
Vladas Liuolia, Vidmantas Gulbinas, Evaldas Katilius, Leonas Valkunas, Darius Kuciauskas, Wenli Zhou, Robert E. Blankenship
Publikováno v:
The Journal of Physical Chemistry. 100:17950-17956
Energy transfer in a trimeric Bchl a containing FMO pigment−protein complex from the green sulfur bacterium Chlorobium tepidum has been studied by means of picosecond transient absorption spectroscopy under high-excitation conditions. At room tempe
Autor:
Akihiko Kudo, Tadayoshi Sakata
Publikováno v:
The Journal of Physical Chemistry. 100:17323-17326
Layered niobates K4Nb6O17 and KNb3O8 showed bright blue emission at 77 K. The luminescent properties were changed by exchanging potassium ions at interlayers with other cations. The luminescent intensity of NH4+-exchanged K4Nb6O17 was higher than tha
Autor:
D. R. Striplin, G. A. Crosby
Publikováno v:
The Journal of Physical Chemistry. 99:11041-11045
Fluorescence, phosphorescence, and excitation spectra were measured on the title compound. These results were augmented with polarization ratios obtained at 77 K and detailed studies of the temperature dependence of the phosphorescence in the 77-4 K
Publikováno v:
The Journal of Physical Chemistry. 99:4929-4934
Emission spectra and luminescence rates of Re(CO){sub 3}L{sub 2}X (L{sub 2} = pyridine or bisquinoline derivatives, X = halide) have been measured in various media at temperatures between 298 and 77 K. The emission has been associated with parallel r
Publikováno v:
The Journal of Physical Chemistry. 96:9558-9561
Emission from high-energy-electron-irradiated ice has been studied over the temperature range 8-77 K both by a one-shot single-photon-counting method and by photoconduct measurements with an oscilloscope. When ice is irradiated with a 2-MeV electron
Publikováno v:
The Journal of Physical Chemistry. 95:629-634
Spectral resolutions of the two components in dual emissions for four mixed-chelate/ortho-metalated complexes of Ir(III) are reported. Resolution of the component emissions from samples of the complexes Ir(bzq){sub 2}(bpy){sup +} and Ir(bzq){sub 2}(p
Autor:
Timothy A. Keiderling, Ryong K. Yoo
Publikováno v:
The Journal of Physical Chemistry. 94:8048-8055
Low-temperature absorption and two-photon excitation spectra of complexes containing PtCl{sub 6}{sup 2{minus}} are presented and discussed. One-photon absorption spectra with moderately well resolved vibronic structure were obtained for PtCl{sub 6}{s