n-Doping of organic electronic materials using air-stable organometallics.

Guo, Song; Kim, Sang Bok; Mohapatra, Swagat K; Qi, Yabing; Sajoto, Tissa; Kahn, Antoine; Marder, Seth R; Barlow, Stephen · Adv Mater · 2012

basic_science · Level V

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Abstract

Air-stable dimers of sandwich compounds including rhodocene and (pentamethylcyclopentadienyl)(arene)ruthenium and iron derivatives can be used for n-doping electron-transport materials with electron affinities as small as 2.8 eV. A p-i-n homojunction diode based on copper phthalocyanine and using rhodocene dimer as n-dopant shows a rectification ratio of greater than 10(6) at 4 V.

Medical subject headings