Towards Practical Mlecular Devices：對(duì)實(shí)際分子器件

1、towards practical molecular devicesnoel oboylehan vos research group x246introductionnmolecular devicen“capable of performing a useful function at the molecular level”nsupermoleculen“has the intrinsic properties of each of its components”n“has properties above and beyond those of the individual comp

2、onents”supramolecular chemistryground stateexcited statesupramolecular chemistryground stateexcited statesupramolecular chemistryground stateexcited state (1)supramolecular chemistryground stateexcited state (1)supramolecular chemistryground stateexcited state (1)excited state (2)supramolecular chem

3、istryground statemetal-metal dyadsrunnnnohoohooohoohnnnnnrunnnn runnnnohoohooohoohnnnnnosnnnn ru-ruru-os3+3+molecular devicerue-tio2-+molecular devicee-e-+charge injectionncan be studied using:nuv-vis of ruthenium complexnuv-vis of tio2nlifetime of excited state of ruthenium complexnbut occurs in 10

4、0 fs! (ultrafast)outline of future worknslow down the charge injectionnchange surface roughnessesnuse different surfacesnuse different complexessemiempirical calculationsnusing zindo (in hyperchem) to find:norbital energiesnlocation of homo levelsncontribution of ligands and metal centres to orbitalsnassign the peaks in the uv-vis spectrum to specific transitions between energy levels h h-1 h-2 -8.94 ev -9.55 ev -9.64 ev 22% ru, 74% ll, 3% bpy 38% ru, 54% ll, 8% bpy 74% ru, 4% ll, 22% bpy ru(bpy)2(pytrzph(ome)2)+acknowledgementsnprof. han vosnhan vos research groupnenterprise i