期刊
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
卷 135, 期 47, 页码 17703-17706出版社
AMER CHEMICAL SOC
DOI: 10.1021/ja4095395
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资金
- Swiss National Science Foundation [PBELP2-135845, PA00P2-145389]
- Army Research Office through the Institute for Soldier Nanotechnologies
- Swiss National Science Foundation (SNF) [PBELP2-135845, PA00P2_145389] Funding Source: Swiss National Science Foundation (SNF)
We report the concise synthesis of a symmetrical monomer that provides a head-to-head pyridine building block for the preparation of cationic conjugated polymers. The obtained poly(pyridinium-phenylene) polymers display appealing properties such as high electron affinity, charge-transport upon n-doping, and optical response to electron-donating analytes. A simple assay for the optical detection of low micromolar amounts of a variety of analytes in aqueous solution was developed. In particular, caffeine could be measured at a 25 mu M detection limit. The reported polymers are also suitable for layer-by-layer film formation.
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