Abstract
A novel bay brominated perylene bisimide derivative with azacyclobutane modified (PBI–1N) was designed and synthesized. The derivative had good solubility in organic solvents and excellent self-assembly properties.The networked structure of PBI-1N was transferred to the surface of the device to prepare the chemiresistive sensor, and its sensing performance was studied. There is a higher sensitivity for PBI-1N-based sensor with experimental detection limit of pyridine reaching 375 ppb. Moreover, the pyridine and its derivatives can be distinguished by introducing halogen bond interaction. This provides a useful reference for the molecular structure design of high performance organic semiconductors in the future.
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