"1,Implementace spektroskopie dvojit\u00E9 koherence (2Q-2D) na b\u00E1zi ned\u00E1vno dosa\u017Een\u00E9 \u00FApln\u00E9 f\u00E1zov\u00E9 stabilizace 2D experimentu. Z\u00EDsk\u00E1n\u00ED \u010Dist\u00E9ho 2Q-2D sign\u00E1lu vy\u017Eaduje porozum\u011Bn\u00ED efekt\u016Fm p\u0159ekryvu puls\u016F a eliminaci s nimi spojen\u00FDch artefakt\u016F. Objasn\u00EDme ot\u00E1zku mo\u017En\u00E9ho u\u017Eit\u00ED sm\u0161rov\u00E9 a polariza\u010Dn\u00ED manipulace pulz\u016F k eliminaci %22koherentn\u00EDch hrot\u016F%22 z 2Q-2D sign\u00E1l\u016F. 2Q-2D spekltroskopie tak dopln\u00ED konven\u010Dn\u00ED 1Q-2D metodu k rozlu\u0161t\u011Bn\u00ED excitonov\u00E9 dynamiky v p\u0159\u00EDrodn\u00EDch sv\u011Btlosb\u011Brn\u00FDch jednotk\u00E1ch. 2, S pou\u017Eit\u00EDm 1Q a 2Q-2D spektroskopie ur\u010Dit strukturu elektronick\u00FDch hladin skladebn\u00FDch molekul, nap\u0159. karotenoid\u016F. Tato m\u011B\u0159en\u00ED daj\u00ED pevn\u00FD z\u00E1klad pro konstrukci Hamiltoni\u00E1nu monomer\u016F, jejich\u017E jednotky jsou pak lektronicky sv\u00E1zan\u00E9 ve sv\u011Btlosb\u011Brn\u00FDch jednotk\u00E1ch. 3, Provedeme studie vibronicky v\u00E1zan\u00FDch dimer\u016F, zejm\u00E9na dimeru perylenu, kter\u00FD m\u00E1 posunt\u00E1, ale p\u0159ekr\u00FDvaj\u00EDc\u00ED se spektra donorov\u00E9 a akceprorov\u00E9 molekuly. Takov\u00E9 molekuly jsou element\u00E1rn\u00EDm modelem pro studium dynamick\u00FDch efekt\u016F vibronick\u00E9 vazby pozorovan\u00E9 v 2D spektrech p\u0159irodn\u00EDch sv\u011Btlosb\u011Brn\u00FDch jednotek. Soub\u011B\u017En\u00FD experiment\u00E1ln\u00ED a teoretick\u00FD v\u00FDzkum uk\u00E1\u017Ee roli vibra\u010Dn\u00EDho rozf\u00E1zov\u00E1n\u00ED, statick\u00E9ho rozd\u011Blen\u00ED frekvenc\u00ED a prostorov\u00E9ho uspo\u0159\u00E1d\u00E1n\u00ED molekul. 4, Studium deriv\u00E1t\u016F sv\u011Btlosb\u011Brn\u00FDch ant\u00E9n\u00EDnch komplex\u016F LH2 oz\u0159ejm\u00ED strukturu p\u00E1su hladin dvojn\u00E1sobn\u00E9 excitace a objasn\u00ED mo\u017En\u00FD vliv vibronick\u00E9 modulace na dynamiku energetick\u00E9ho p\u0159enosu mezi spektr\u00E1ln\u00EDmi p\u00E1sy syst\u00E9mu a mezi jej\u00EDmi chlorofyln\u00EDmi a karotenoidn\u00EDmi podstrukturami. D\u016Fle\u017Eitou konceptu\u00E1ln\u00ED ot\u00E1zkou je, co se lze dozv\u011Bd\u011Bt z 2Q-2D spekter o tomto paradigmatick\u00E9m sv\u011Btlosb\u011Brn\u00E9m syst\u00E9mu. Sign\u00E1l se bude skl\u00E1dat jak z p\u0159isp\u011Bvku delokalizovan\u00FDch exciton\u016F tak z vnitromolekulov\u00FDch kan\u00E1l\u016F jednotliv\u00FDch molekul v agreg\u00E1tu. 2Q-2D spektroskopie n\u00E1m pom\u016F\u017Ee porozum\u011Bt t\u011Bmto vnitromolekulov\u00FDm excitac\u00EDm, kter\u00E9 jsou v\u011Bt\u0161inou ignorov\u00E1ny p\u0159i studiu sv\u011Btlosb\u011Brn\u00FDch molekul." . "0"^^ . "2D electronic spectroscopy"@en . . . "1"^^ . "0"^^ . "2015-05-28+02:00"^^ . "0"^^ . "7AMB14AT007" . . . "2015-12-31+01:00"^^ . . "Single and double quantum coherence 2D electronic spectroscopy of vibronically coupled systems: from molecular dimers to natural light harvesters"@en . . . . . . . "2014-03-31+02:00"^^ . . . . . . . "0"^^ . "2014-01-01+01:00"^^ . . "http://www.isvav.cz/projectDetail.do?rowId=7AMB14AT007"^^ . "Dvoudimenzion\u00E1ln\u00ED spektroskopie jednoduch\u00E9 a dvojit\u00E9 koherence vibronicky v\u00E1zan\u00FDch syst\u00E9m\u016F - od molekul\u00E1rn\u00EDch dimer\u016F k p\u0159\u00EDrodn\u00EDm sv\u011Btlosb\u011Brn\u00FDm jednotk\u00E1m" . "1,Implementation of double quantum (2Q-2D) spectroscopy on the grounds of recently achieved progress in complete phase stabilization of 2D. To obtain clean 2Q-2D signals understanding of pulse overlapping effects and elimination of connected artifacts is required. We will clarify whether the pulse direction and pulse polarization manipulation can be used to eliminate coherent spikes . The 2Q-2D spectroscopy then will supplement conventional 1Q-2D methods for deciphering excitonic dynamics in natural light harvesters 2, The electronic level scheme of the constituing monomeric building blocks, i. e. caroteboid molecules, will be determined by 1Q and 2D- spectroscopy. These measurements will provide a solid foundation for constructing Hamiltonian of the monomers which are subject to elctronic coupling in light harvesting system. 3, Studies on vibronically coupled dimers, namely a peryllene dimer with shifted but overlapping donor- and acceptor spectra. These moleculaes are toy models for dynamical effetcs of vibronic coupling observed for in 2D spektra of natural harvesters. Simultaneous experimental and theoretical research will explore the role of vibrational dephasing time, disorder of vibronic frequencies in the spectra and spatial arrangement. 4, The study of derivatives of light-harvesting antena complex LH2 in iorder to elucidate the struicture of tits double excited manifold, and to investigate possible influence of vibronic modulations on energy transfer dynamics between the spectral bands of the system and between its chlorophyll and carotenoid substructures. An important conceptual question will be what we can learn from 2Q-2D on this paradigmatic light-harvestiong antenna. The signal will consist of contributions from delocalized excitons as well as intramolecular pathways from individual molecules in the aggregate. 2Q-2D spectroscopy will help us to understand these intramolecular excitations which are largely ignored."@en . .