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Coaxial Organic p‐n Heterojunction Nanowire Arrays: One‐Step Synthesis and Photoelectric Properties
Author(s) -
Cui Qiu Hong,
Jiang Lang,
Zhang Chuang,
Zhao Yong Sheng,
Hu Wenping,
Yao Jiannian
Publication year - 2012
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.201104594
Subject(s) - materials science , heterojunction , nanowire , optoelectronics , coaxial , diode , photoelectric effect , open circuit voltage , single crystal , photovoltaic system , phthalocyanine , nanotechnology , voltage , crystallography , electrical engineering , chemistry , engineering
Organic/organic single‐crystal coaxial p‐n heterojunction nanowire arrays consisting of p‐type copper phthalocyanine (CuPc) and n‐type 5,10,15,20‐tetra(4‐pyridyl)‐porphyrin (H 2 TPyP) are fabricated through a one‐step physical vapor transport (PVT) process. Each single junction wire revealed high photodependent rectifying and sensitive photoresponsive characteristics in devices of light‐controlled diodes and photoswitches. The typical photovoltaic device based on a single p‐n junction exhibited a high open‐circuit voltage ( V oc) of 0.64 V.