Development of n-type silver-nanoparticles-modified carbon materials doped by triphenylphosphine. (10th July 2017)

• Record Type: Journal Article
• Authors: Ohnuma, Akira; Iwasaki, Kouta
• Is Part Of: MRS communications. Volume 7:Number 3(2017)
• Page Start: 570
• Page End: 574
• Publication Date: 2017-07-10
• Subjects: Materials -- Periodicals; 620.11
• DOI: 10.1557/mrc.2017.48
• Languages: English
• ISSNs: 2159-6859

Abstract

Abstract: Abstract : Here we report a doping method based on charge transfer interaction for an easily obtainable carbon material, carbon black (acetylene carbon black and Ketjenblack), as a main raw material. The n-type doping of those carbon blacks, generally p-type material, was conducted with a molecular dopant, triphenylphosphine (tpp). The key was to modify the surface of carbon blacks with silver (Ag) nanoparticles to attach tpp molecules on the surface of Ag. Our method is expected to be used for the fabrication of functional devices (such as thermoelectric devices) from p- and n-type materials.