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Single‐Walled Carbon‐Nanotube Networks on Large‐Area Glass Substrate by the Dip‐Coating Method
Author(s) -
Jang Eui Yun,
Kang Tae June,
Im Hyeoung Wook,
Kim Dae Weon,
Kim Yong Hyup
Publication year - 2008
Publication title -
small
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 3.785
H-Index - 236
eISSN - 1613-6829
pISSN - 1613-6810
DOI - 10.1002/smll.200800600
Subject(s) - materials science , carbon nanotube , coating , dip coating , transmittance , surface tension , substrate (aquarium) , composite material , wavelength , nanotechnology , capillary action , optoelectronics , oceanography , physics , quantum mechanics , geology
Highly uniform and large‐area single‐walled carbon‐nanotube (SWNT) networks are realized by the dip‐coating method, which is based on fundamental fluid‐dynamic phenomena such as capillary condensation and surface tension. The changes in the polarity and hydration properties of the substrate affect the morphology of the SWNT networks and result in nonlinear growth of the networks in the repetitive dip‐coating process. The density and the thickness of the SWNT networks are controlled by processing variables including number of dip coatings, concentration of SWNT colloidal solution, and withdrawal velocity. The networks have uniform sheet resistances and high optical transmittance in the visible wavelength range.