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Photodoping and Enhanced Visible Light Absorption in Single‐Walled Carbon Nanotubes Functionalized with a Wide Band Gap Oligomer
Author(s) -
Bunes Benjamin R.,
Xu Miao,
Zhang Yaqiong,
Gross Dustin E.,
Saha Avishek,
Jacobs Daniel L.,
Yang Xiaomei,
Moore Jeffrey S.,
Zang Ling
Publication year - 2015
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.201404112
Subject(s) - materials science , oligomer , carbon nanotube , absorption (acoustics) , carbon fibers , band gap , visible spectrum , nanotechnology , photochemistry , optoelectronics , polymer chemistry , composite material , composite number , chemistry
Carbon nanotubes feature excellent electronic properties but narrow absorption bands limit their utility in certain optoelectronic devices, including photovoltaic cells. Here, the addition of a wide‐bandgap gap oligomer enhances light absorption in the visible spectrum. Furthermore, the oligomer interacts with the carbon nanotube through a peculiar charge transfer, which provides insight into Type II heterojunctions.