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Electrospun Carbon Nanofiber Webs with Controlled Density of States for Sensor Applications
Author(s) -
Mao Xianwen,
Simeon Fritz,
Rutledge Gregory C.,
Hatton T. Alan
Publication year - 2013
Publication title -
advanced materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 10.707
H-Index - 527
eISSN - 1521-4095
pISSN - 0935-9648
DOI - 10.1002/adma.201203045
Subject(s) - materials science , carbonization , carbon nanofiber , electron transfer , nanofiber , carbon fibers , nanotechnology , graphite , electrochemistry , redox , composite material , electrode , organic chemistry , chemistry , scanning electron microscope , carbon nanotube , composite number , metallurgy
Electrospun carbon nanofiber (CNF) webs with controlled density of states (DOS) are synthesized through varying the carbonization conditions to manipulate the concentration of nanosized graphite domains. These materials exhibit adjustable electrochemical activity and biosensitivity: both electron transfer kinetics for various redox systems and direct electron transfer efficiencies with enzymes increase with the DOS of the CNF webs.