?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%2F20008%2F&rft.title=Lanthanide+Sensitization+in+II-VI+Semiconductor+Nanoparticles&rft.creator=Sloan%2C+Robin&rft.description=As+nanotechnology+continues+to+find+its+way+into+medical+treatments%2C+it+is+important+to+understand+how+to+develop+a+bright+imaging+agent+that+will+be+more+robust+than+current+organic+fluorophores.+Key+characteristics+of+inorganic+lanthanide+based+materials%2C+which+are+superior+to+current+organic+reporters%2C+are+their+resistance+to+photobleaching%2C+narrow+emission+bands%2C+and+long+luminescent+lifetimes%3B+however+their+small+radiative+rate+requires+that+they+be+sensitized.+There+are+also+multiple+lanthanides+that+emit+in+the+visible+and+near+infrared+region%2C+allowing+multiplex+assays+to+be+developed.+Based+on+a+model+proposed+by+Mukherjee%2C+et+al.%2C1+lanthanide+emission+is+expected+to+show+a+dependence+on+the+bandgap+of+the+host+nanoparticle+material.+The+goal+of+this+study+was+to+examine+this+prediction.+This+study+uses+absorbance+to+determine+the+size+and+band+gap+of+the+host+nanoparticles+and+uses+XPS%2C+EDS%2C+and+ICP+to+determine+the+dopant+concentration.+Using+these+measurements%2C+the+integrated+time-gated+luminescence+is+compared+to+the+dopant+percentage+and+bandgap+of+the+nanoparticles.+In+agreement+with+the+model%2C+large+bandgap+materials+are+able+to+sensitize+the+terbium+more+efficiently%2C+yielding+brighter+luminescence+which+is+ideal+for+an+imaging+agent.&rft.date=2014-01-27&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%2F20008%2F1%2FRobin_Sloan_MS_Thesis_2013_1.pdf&rft.identifier=++Sloan%2C+Robin++(2014)+Lanthanide+Sensitization+in+II-VI+Semiconductor+Nanoparticles.++Master's+Thesis%2C+University+of+Pittsburgh.++++(Unpublished)++