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Bio‐Inspired Complementary Photoconductor by Porphyrin‐Coated Silicon Nanowires
Author(s) -
Choi SungJin,
Lee YoungChul,
Seol MyeongLok,
Ahn JaeHyuk,
Kim Sungho,
Moon DongIl,
Han JinWoo,
Mann Stephen,
Yang JiWon,
Choi YangKyu
Publication year - 2011
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.201101931
Subject(s) - materials science , silicon , porphyrin , optoelectronics , nanowire , nanotechnology , dissipation , physics , photochemistry , chemistry , thermodynamics
A symbiotically bio‐inspired complementary photoconductor is demonstrated using a well‐defined silicon nanowire (SiNW) and porphyrins. The observed direction of the conductance change by light illumination has opposite signs for n‐ and p‐type SiNWs. On the basis of this observation, it is concluded that complementary photoconductors can be used to form functional logic gates of optical input with remarkably low static power dissipation.