?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.relation=http%3A%2F%2Fd-scholarship-dev.library.pitt.edu%2F19257%2F&rft.title=Hybrid+Materials+Based+on+Carbon+Nanotubes+and+Graphene%3A+Synthesis%2C+Interfacial+Processes%2C+and+Applications+in+Chemical+Sensing&rft.creator=Ding%2C+Mengning&rft.description=Development+of+hybrid+nanostructures+based+on+two+or+more+building+blocks+can+significantly+expand+the+complexity+and+functionality+of+nanomaterials.+For+the+specific+objective+of+advanced+sensing+materials%2C+single-walled+carbon+nanotubes+and+graphene+have+been+recognized+as+ideal+platforms%2C+because+of+their+unique+physical+and+chemical+properties.+Other+functional+building+blocks+include+polymers%2C+metal+and+metal+oxide+nanostructures%2C+and+each+of+them+has+the+potential+to+offer+unique+advances+in+the+hybrid+systems.+In+any+case+of+constructing+hybrid+nanostructures%2C+challenges+exist+in+the+controlling+of+composition%2C+morphology+and+structure+of+different+nanoscale+building+blocks%2C+as+well+as+the+precise+placement+of+these+building+blocks+in+the+final+assembly.+Both+objectives+require+systematical+exploration+of+the+synthetic+conditions.+Furthermore%2C+there+has+been+an+increasing+recognition+of+the+fundamental+importance+of+interface+within+the+nanohybrid+systems%2C+which+also+requires+detailed+investigation.%0D%0A%0D%0AWe+have+successfully+developed+several+innovative+synthetic+strategies+to+regulate+the+assembly+of+nanoscale+building+blocks+and+to+control+the+morphology+of+the+hybrid+systems+based+on+graphitic+carbon+nanomaterials.+We+demonstrate+the+importance+of+surface+chemistry+of+each+building+block+in+these+approaches.+Moreover%2C+interfacial+processes+in+the+hybrid+system+have+been+carefully+investigated+to+elucidate+their+impacts+on+the+functions+of+the+hybrid+products.%0D%0A%0D%0ASpecifically%2C+we+explored+the+synthesis+and+characterization+of+hybrid+nanomaterials+based+on+single-walled+carbon+nanotubes+and+graphene%2C+with+other+building+blocks+including+conducting+polymers%2C+metal%2C+metal+oxide+and+ceramic+nanostructures.+We+demonstrated+the+development+of+core%2Fshell+morphology+for+polyaniline+and+titanium+dioxide+functionalized+single-walled+carbon+nanotubes%2C+and+we+showed+a+bottom-up+synthesis+of+metal+nanostructures+that+involves+directed+assembly+and+nanowelding+of+metal+nanoparticles+on+the+graphitic+surfaces.+Through+electrical%2C+electrochemical+and+spectroscopic+characterizations%2C+we+further+investigated+their+surface+chemistry%2C+interfacial+interaction%2Fprocesses%2C+as+well+as+their+fundamental+influence+on+the+performance+of+the+hybrid+systems.+We+showed+improved+or+even+synergic+properties+for+each+hybrid+system.+Their+chemical+sensitivities%2C+material+stabilities%2C+and+charge+separation+efficiency+were+superior+to+individual+components.+These+properties+hold+great+promise+in+the+real-world+sensor+applications%2C+and+can+potentially+benefit+other+research+fields+such+as+catalysis+and+green+energy.%0D%0A&rft.date=2013-10-18&rft.type=University+of+Pittsburgh+ETD&rft.type=PeerReviewed&rft.format=application%2Fpdf&rft.language=en&rft.identifier=http%3A%2F%2Fd-scholarship-dev.library.pitt.edu%2F19257%2F4%2FMengning_Ding_ETD_2013.pdf&rft.identifier=++Ding%2C+Mengning++(2013)+Hybrid+Materials+Based+on+Carbon+Nanotubes+and+Graphene%3A+Synthesis%2C+Interfacial+Processes%2C+and+Applications+in+Chemical+Sensing.++Doctoral+Dissertation%2C+University+of+Pittsburgh.++++(Unpublished)++