<html><body><div style="font-family: arial, helvetica, sans-serif; font-size: 12pt; color: #000000"><div data-marker="__QUOTED_TEXT__"><div style="font-family:'arial' , 'helvetica' , sans-serif;font-size:12pt;color:#000000"><div><p class="MsoNormal" align="center" style="color:rgb( 0 , 0 , 0 );font-size:12pt;font-style:normal;font-weight:400;letter-spacing:normal;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;margin:0px;font-family:'times new roman' , serif;background-color:rgb( 255 , 255 , 255 );text-align:center"><span style="font-family:'arial' , sans-serif;color:black"><img width="321" height="70" id="_x0000_i1025" data-mce-src="https://mail.cdu.gov.hr/service/home/~/?auth=co&loc=hr&id=29639&part=2" src="cid:0577e50f47f539cb8793122fbbbf3b8037f517ae@zimbra" style="width:3.3437in;height:0.7291in"> <img alt="Institut Ruđer Bošković - Institut Ruđer Bošković" data-mce-src="https://www.irb.hr/bundles/irb/images/opengraph.png" width="135" height="71" src="https://www.irb.hr/bundles/irb/images/opengraph.png"><br><span id="DWT2074" class="ZmSearchResult"><span id="DWT394" class="ZmSearchResult">Seminar</span></span> @Institute of Physics (joint IRB & IoP <span id="DWT396" class="ZmSearchResult">seminar</span>), Monday 5th June 2023 at 11:00</span></p><div style="color:#000000;font-family:'arial' , 'helvetica' , sans-serif;font-size:16px;font-style:normal;font-weight:400;letter-spacing:normal;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;background-color:#ffffff"><p class="MsoNormal" align="center" style="margin:0px;text-align:center"><span style="color:#55913c;font-family:'times new roman' , serif"><span style="font-size:21.3333px"><b>Light-driven processes in molecules and materials:</b></span></span></p><p class="MsoNormal" align="center" style="margin:0px;text-align:center"><span style="color:#55913c;font-family:'times new roman' , serif"><span style="font-size:21.3333px"><b>From photophysics to photochemistry</b></span></span></p></div><div style="color:#000000;font-family:'arial' , 'helvetica' , sans-serif;font-size:16px;font-style:normal;font-weight:400;letter-spacing:normal;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;background-color:#ffffff"><p class="MsoNormal" align="center" style="margin:0px;text-align:center"><span class="markedcontent" style="color:#000000;font-family:'times new roman' , serif;font-size:12pt;font-style:normal;font-weight:400;letter-spacing:normal;text-transform:none;white-space:normal;word-spacing:0px"><b><span style="font-size:14pt;font-family:'arial' , sans-serif;color:black">prof. </span></b></span><span style="font-family:'arial' , sans-serif"><span style="font-size:18.6667px"><b>Peter Saalfrank</b></span></span></p></div><div style="color:#000000;font-family:'arial' , 'helvetica' , sans-serif;font-size:16px;font-style:normal;font-weight:400;letter-spacing:normal;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;background-color:#ffffff"><div><p class="MsoNormal" align="center" style="margin:0px;text-align:center"><span style="font-family:'arial' , sans-serif"><span style="font-size:14.6667px"><b>Institut für Chemie, </b></span></span><span style="font-family:'arial' , sans-serif"><span style="font-size:14.6667px"><b>Universität Potsdam, </b></span></span><span style="font-family:'arial' , sans-serif"><span style="font-size:14.6667px"><b>Karl-Liebknecht-Strasse 24-25, D-14476 Potsdam</b></span></span></p></div><div style="color:#000000;font-family:'segoe ui' , 'lucida sans' , sans-serif;font-size:14.16px;font-style:normal;font-weight:400;letter-spacing:normal;text-transform:none;white-space:normal;word-spacing:0px"><p class="MsoNormal" align="center" style="margin:0px;font-size:12pt;font-family:'times new roman' , serif;text-align:center"><span style="font-family:'arial' , sans-serif;color:black"> </span></p></div></div><p class="MsoNormal" style="color:rgb( 0 , 0 , 0 );font-family:'arial' , 'helvetica' , sans-serif;font-size:16px;font-style:normal;font-weight:400;letter-spacing:normal;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;background-color:rgb( 255 , 255 , 255 );margin:0px;text-align:justify"><span style="font-family:'arial' , sans-serif">Light interacting with molecules and materials is key to “photophysics”, e.g., spectroscopy, and “photochemistry”, i.e., the making and breaking of bonds after photoexcitation. Light-induced processes are ubiquitous and successful in chemistry but fundamental understanding of what electrons and atoms really do when optically excited, is still </span><span style="font-family:'arial' , sans-serif">somewhat limited.</span></p><p class="MsoNormal" style="color:rgb( 0 , 0 , 0 );font-family:'arial' , 'helvetica' , sans-serif;font-size:16px;font-style:normal;font-weight:400;letter-spacing:normal;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;background-color:rgb( 255 , 255 , 255 );margin:0px;text-align:justify"><span style="font-family:'arial' , sans-serif">In this overview talk, we literally shed light on selected, photodriven processes and reactions relevant for photophysics and photochemistry, applying a combination of electronic </span><span style="font-family:'arial' , sans-serif">structure and dynamics methods. In a first, “photophysical” example the creation of electron wavepackets in molecules by ultrashort laser pulses, and their attosecond dynamics </span><span style="font-family:'arial' , sans-serif">and spectroscopic response will be followed with the help of time-dependent, correlated </span><span style="font-family:'arial' , sans-serif">electronic structure methods. In a second example steps towards “photochemistry” are </span><span style="font-family:'arial' , sans-serif">taken by considering photoswitching of azobenzene molecules in constraining environments. Here, non-adiabatic molecular dynamics with surface hopping allow for detailed </span><span style="font-family:'arial' , sans-serif">insight into the mechanism of photoinduced trans-to-cis isomerization. As another photochemical process, photocatalytic water splitting in porous, carbon and nitrogen containing </span><span style="font-family:'arial' , sans-serif">layered materials will be considered. Finally, if time permits, “photochemistry without </span><span style="font-family:'arial' , sans-serif">light” will be discussed for the example of isomerization reactions of molecules in optical </span><span style="font-family:'arial' , sans-serif">cavities, a new, emerging field in chemistry.</span></p><div style="color:#000000;font-style:normal;font-weight:400;letter-spacing:normal;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;font-family:'segoe ui' , 'lucida sans' , sans-serif;font-size:14.16px;background-color:#ffffff"><p class="MsoNormal" style="margin:0px;font-size:12pt;font-family:'times new roman' , serif;text-align:justify"><span style="font-family:'arial' , sans-serif;color:black"> </span></p></div><div style="color:#000000;font-style:normal;font-weight:400;letter-spacing:normal;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;font-family:'segoe ui' , 'lucida sans' , sans-serif;font-size:14.16px;background-color:#ffffff"><br></div><div style="color:#000000;font-style:normal;font-weight:400;letter-spacing:normal;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;font-family:'segoe ui' , 'lucida sans' , sans-serif;font-size:14.16px;background-color:#ffffff"><p class="MsoNormal" style="margin:0px;font-size:12pt;font-family:'times new roman' , serif;text-align:justify"><strong style="font-size:12pt"><span lang="EN-GB" style="font-family:'arial' , sans-serif"><span id="DWT2078" class="ZmSearchResult"><span id="DWT398" class="ZmSearchResult">Seminar</span></span> hosts</span></strong><b style="font-size:12pt"><span lang="EN-GB" style="font-size:11pt;font-family:'century gothic' , sans-serif">: <span class="Object" id="OBJ_PREFIX_DWT2079_ZmEmailObjectHandler" style="color:#005a95;text-decoration:none;font-family:'arial' , 'helvetica' , sans-serif;font-size:12pt"><span class="Object" id="OBJ_PREFIX_DWT399_ZmEmailObjectHandler" style="color:#005a95;text-decoration:none"><a href="mailto:nsantic@ifs.hr" rel="nofollow noopener noreferrer nofollow noopener noreferrer nofollow noopener noreferrer" style="color:#005a95;text-decoration:none" target="_blank">Neven Šantić</a></span></span></span></b><b style="font-size:12pt"><span style="font-family:'arial' , sans-serif"> i <span class="object"><span class="Object" id="OBJ_PREFIX_DWT2080_ZmEmailObjectHandler" style="color:#005a95;text-decoration:none"><span class="Object" id="OBJ_PREFIX_DWT400_ZmEmailObjectHandler" style="color:#005a95;text-decoration:none"><a href="mailto:ddominko@ifs.hr" rel="nofollow noopener noreferrer nofollow noopener noreferrer nofollow noopener noreferrer" style="color:#005a95;text-decoration:none" target="_blank">Damir Dominko</a></span></span></span></span></b></p></div> </div></div><br>_______________________________________________<br>https://www.phy.pmf.unizg.hr/cgi-bin/mailman/listinfo/seminar<br></div></div></body></html>