期刊
CHEMISTRY-A EUROPEAN JOURNAL
卷 18, 期 12, 页码 3549-3558出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/chem.201103566
关键词
chemosensors; gels; logic gates; self-assembly; thin films
资金
- Scientific Research Foundation for Returned Overseas Chinese Scholars, State Education Ministry
- The National Natural Science Foundation of China [20874034, 51073068, 21103067]
- 973 Program [2009CB939701]
- State Key Laboratory of Supramolecular Structure and Materials [SKLSSM201102]
A gelator that consisted of one benzimidazole moiety and four amide units was used as a chemosensor. We found that its absorption and emission spectra in solution were sensitive to two complementary chemical stimuli: protons and anions. Thus, YES and INH logic gates were obtained when absorbance was defined as an output. A combination gate of XNOR and AND with an emission output was also obtained. Moreover, wet gels in two solvents were used to construct two more-complicated three-input-three-output gates, owing to the existence of the gel phase as an additional output. Finally, in xerogel films that were formed from two kinds of wet gels, reversible changes in their emission spectra were observed when they were sequentially exposed to volatile acid and NH3. Another combination two-output logic gate was obtained for xerogel films. Finally, three states of the gelator were used to construct not only basic logic gate, but also some combination gates because of their response to multiple chemical stimuli and their multiple output signals, in which one chemical input could erase the effect of another chemical input.
作者
我是这篇论文的作者
点击您的名字以认领此论文并将其添加到您的个人资料中。
推荐
暂无数据