Zobrazeno 1 - 8
of 8
pro vyhledávání: '"Krzysztof Kownacki"'
Publikováno v:
Chemical Physics. 243:295-304
Ground and excited state dipole moments and polarizabilities of 2,5-bis(benzoxazolyl)hydroquinone (BBHQ) and 3,6-bis(benzoxazolyl)pyrocatechol (BBPC) are determined by means of electrooptical absorption and emission measurements. BBHQ is found to exh
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ae9f6d1a32504e5678e8d05faf8bfac4
https://doi.org/10.1016/s0301-0104(99)00068-3
https://doi.org/10.1016/s0301-0104(99)00068-3
Structural Aspects of Photochromism of the Internally H-Bonded Schiff Bases. 'A Minimal Chromophore'
Publikováno v:
Acta Physica Polonica A. 88:1081-1088
The final limiting stage of structural simplification of photochromic Schiff base was reached by the following statement: two molecules, sa1icylidene methylamine and its butyl analogue, show transient absorption bands (at room temperature) peaking at
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::20c2fa13c31d51bef557e0b952d375ab
https://doi.org/10.12693/aphyspola.88.1081
https://doi.org/10.12693/aphyspola.88.1081
Publikováno v:
Chemical Physics Letters. 227:270-276
Three photochromic Schiff bases: N-salicylideneaniline (SA), N-salicylidene-1-naphthylamine (SN), and N,N′-bis-(salicylidene)- p -phenylenediamine (BSP), were studied in acetonitrile by means of steady-state and time-resolved absorption and fluores
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a0b6816a6b4e954b15dc13b99646458d
https://doi.org/10.1016/0009-2614(94)00826-4
https://doi.org/10.1016/0009-2614(94)00826-4
Autor:
Nathan A. Oyler, Andrzej Mordziński, Frans W. Langkilde, Krzysztof Kownacki, Robert Wilbrandt, Ludwik Adamowicz, Andrzej Les
Publikováno v:
The Journal of Physical Chemistry. 98:5212-5220
Tautomerization and phototautomerization of [2,2[prime]-bipyridine]-3,3[prime]-diol is investigated by means of infrared, Raman, and time-resolved resonance Raman spectroscopies and ab initio theoretical calculations. Full ab initio SCF (self-consist
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bf067dca5478d8c4a6625ec1159ff045
https://doi.org/10.1021/j100071a008
https://doi.org/10.1021/j100071a008
Publikováno v:
Chemical Physics Letters. 177:17-22
Sn ← S1 transient-absorption and gain spectra in the picosecond time range of three benzoxazole derivatives are reported. These are two symmetric molecules, 2,5-bis-(benzoxazolyl)-hydroquinone and 3,6-bis-(benzoxazolyl)-pyrocatechol undergoing sing
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2c646babe378faedbe212a08203ecd70
https://doi.org/10.1016/0009-2614(91)90168-9
https://doi.org/10.1016/0009-2614(91)90168-9
Publikováno v:
Chemical Physics Letters. 155:256-261
Picosecond time-dependent fluorescence depolarization has been used to measure the time of rotational diffusion for sulforhodamine 101 and nile blue in a series of alcohols. The experimental dependence of the rotational relaxation times on viscosity
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ffa828d3e0ffc2334b5b203d631f7d75
https://doi.org/10.1016/0009-2614(89)85320-5
https://doi.org/10.1016/0009-2614(89)85320-5
Publikováno v:
Scopus-Elsevier
A family of new Schiff bases, derivatives of hydroquinone, has been synthesized. Their synthesis, spectroscopy and photophysics are reported. Two molecules, having one or two internal H-bonds, reveal photochromic properties. Two transients absorbing
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::934ee3d4a97dcb55049e8a293c6c0b9a
http://www.scopus.com/inward/record.url?eid=2-s2.0-0031567086&partnerID=MN8TOARS
http://www.scopus.com/inward/record.url?eid=2-s2.0-0031567086&partnerID=MN8TOARS
Publikováno v:
Scopus-Elsevier
Symmetric, photochromic Schiff bases were studied. Their photophysics, experimental and calculated dipole moments (molecular mechanics and INDO/S) were compared with model compounds representing “one half” of the parent molecule. The photochromic
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d011281e9a8130b09d62b69897212242
http://www.scopus.com/inward/record.url?eid=2-s2.0-33749124090&partnerID=MN8TOARS
http://www.scopus.com/inward/record.url?eid=2-s2.0-33749124090&partnerID=MN8TOARS