An n-Channel Two-Dimensional Covalent Organic Framework
Journal of the American Chemical Society2011Vol. 133(37), pp. 14510–14513
Citations Over TimeTop 1% of 2011 papers
Xuesong Ding, Long Chen, Yoshihito Honsho, Xiao Feng, Oraphan Saengsawang, Jing‐Dong Guo, Akinori Saeki, Shu Seki, Stephan Irle, Shigeru Nagase, Vudhichai Parasuk, Donglin Jiang
Abstract
Co-condensation of metallophthalocyanine with an electron-deficient benzothiadiazole (BTDA) block leads to the formation of a two-dimensional covalent organic framework (2D-NiPc-BTDA COF) that assumes a belt shape and consists of AA stacking of 2D polymer sheets. Integration of BTDA blocks at the edges of a tetragonal metallophthalocyanine COF causes drastic changes in the carrier-transport mode and a switch from a hole-transporting skeleton to an electron-transporting framework. 2D-NiPc-BTDA COF exhibits broad and enhanced absorbance up to 1000 nm, shows panchromatic photoconductivity, is highly sensitive to near-infrared photons, and has excellent electron mobility as high as 0.6 cm(2) V(-1) s(-1).
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