Proton acceptance type sensor, hydrogen gas sensor and acid sensor
First Claim
1. A proton acceptance type gas sensor, comprising an organic compound containing an introduced heterocycle comprising a nitrogen atom, and a protonation catalyst in an islands-type arrangement, wherein the organic compound and the protonation catalyst contact each other, and a change in electrical resistivity, photoconductivity, or optical absorption band for the organic compound accompanies proton addition to the organic compound.
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Abstract
The present invention provides a low-cost hydrogen gas sensor, which exhibits high sensory selectivity for protons and operates at room temperature, and can also provide a highly sensitive sensor capable of fulfilling the important functions of detecting hydrogen gas and preventing leakage accidents in production plants that use hydrogen gas as a carrier, in hydrogen gas storage facilities, and in so-called fuel cells that use hydrogen gas as an energy source. In addition, the sensor is also effective as an acid sensor for hydrofluoric acid and the like.
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Citations
21 Claims
- 1. A proton acceptance type gas sensor, comprising an organic compound containing an introduced heterocycle comprising a nitrogen atom, and a protonation catalyst in an islands-type arrangement, wherein the organic compound and the protonation catalyst contact each other, and a change in electrical resistivity, photoconductivity, or optical absorption band for the organic compound accompanies proton addition to the organic compound.
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9. A proton acceptance type gas sensor, in which protons are brought into contact with an organic compound containing an introduced heterocycle comprising a nitrogen atom, and a change in electrical resistivity, photoconductivity, or optical absorption band for the organic compound that accompanies proton addition is detected, wherein the organic compound is an organic pigment containing an introduced heterocycle comprising a nitrogen atom, and the organic pigment is a quinacridone, indigo, phthalocyanine, anthraquinone, indanthrone, anthanthrone, perylene, pyrazolone, perinone, isoindolinone, isoindoline, dioxazine, or a derivative thereof, and
wherein the proton acceptance type gas sensor further comprises a protonation catalyst in an islands-type arrangement, wherein the organic compound and the protonation catalyst contact each other.
Specification