Microporous Organic–inorganic Nanocomposites as the Receptor in the QCM Sensing of Toluene Vapors
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- ISHII Ryo
- National Institute of Advanced Industrial Science and Technology (AIST)
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- NAGANAWA Ryuichi
- National Institute of Advanced Industrial Science and Technology (AIST)
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- NISHIOKA Masateru
- National Institute of Advanced Industrial Science and Technology (AIST)
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- HANAOKA Taka-aki
- National Institute of Advanced Industrial Science and Technology (AIST)
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We have used novel microporous biphenylene-pillared layered silicates as receptors in a quartz crystal microbalance (QCM) for sensing toluene vapors. The silicate was successfully coated on a QCM electrode modified with 2-aminoethanethiol. The resultant electrode showed quantitative frequency responses due to enhanced adhesion between the silicate and the electrode. The silicate-coated electrodes also performed better than polystyrene-coated electrodes in terms of both sensitivity and reproducibility of the responses for toluene vapors exposures because the silicate has an organically-modified open-framework structure with a high surface area. In addition, the electrodes revealed the higher sensitivity for toluene vapors than those for alcohol vapors, suggesting selectivity toward sensing toluene vapors probably due to the π–π stacking interaction between biphenylene units and toluene molecules. Hence, we anticipate that the materials are promising to be used as receptors in QCM devices for sensing aromatic vapors.
収録刊行物
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- Analytical Sciences
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Analytical Sciences 29 (3), 283-289, 2013
社団法人 日本分析化学会
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詳細情報 詳細情報について
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- CRID
- 1390282679236303872
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- NII論文ID
- 10031165312
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- NII書誌ID
- AA10500785
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- COI
- 1:STN:280:DC%2BC3svkvVWhsQ%3D%3D
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- ISSN
- 13482246
- 09106340
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- NDL書誌ID
- 024315983
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- PubMed
- 23474716
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- NDL
- Crossref
- PubMed
- CiNii Articles
- KAKEN
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- 使用不可