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Erschienen in:
27.05.2017 | Brief Communication: Sol-gel, hybrids and solution chemistries
H+ emission under room temperature and non-vacuum atmosphere from a sol–gel-derived nanoporous emitter
Erschienen in: Journal of Sol-Gel Science and Technology | Ausgabe 2/2017
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Abstract
A high proton-conducting P2O5-SiO2 nanoporous glass rod was prepared via sol–gel technique, and its tip was sharpened by a meniscus-etching method. The glass rod shows proton conductivity of 1 × 10−3 at room temperature after absorption of water molecules. A palm-sized proton gun was prepared by utilizing the glass rod as a H+ emitter. A high voltage (~2.5 kV) was applied between the tip of glass rod and an extraction electrode, and a high ionic current was successfully observed even under non-vacuum atmosphere at room temperature. Protonation reaction for polyaniline was confirmed from the structural changes of C=N in quinone to protonated C–N+. New applications of proton implantation will be expected especially in bioscience and medical technology.
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