期刊
ACS APPLIED MATERIALS & INTERFACES
卷 5, 期 11, 页码 4503-4510出版社
AMER CHEMICAL SOC
DOI: 10.1021/am400009d
关键词
water-soluble polythiophene; sensor; colorimetric; fluorescent; small bioanalytes; inorganic ions
资金
- National Natural Science Foundation of China [50973054, 21274074]
- Program for New Century Excellent Talents in University [NCET-10-0524]
Water-soluble, regioregular polythiophene (PT) derivatives are conformational sensitive to external stimuli, and their spectral responses are determined by conformation changes, pi-pi interactions and scattering of visible lights originated from PT aggregates. In this paper, we review the synthesis of water-soluble PTs and their photophysical properties, and then highlight our efforts toward the development of PT based optical sensors for small molecules. Mechanism studies indicate that the interplay between side-chain steric/electrostatic repulsive and interchain attractive interactions is responsible for the assembly and disassembly of water-soluble PTs in aqueous media. Consequently, the planarization/deplanarization of PT backbones provides the possibility for colorimetric and fluorescent dual detection of small bioanalytes and chemical species
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