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    • 1. 发明申请
    • Sensor and method for manufacturing a sensor
    • 用于制造传感器的传感器和方法
    • US20140291160A1
    • 2014-10-02
    • US14351097
    • 2012-10-10
    • HEINRICH-HEINE UNIVERSITÄT DÜSSELDORF
    • Klaus SchierbaumMhamed El AchhabChristiane Schüle
    • G01N27/26C25D7/00
    • G01N27/127C25D7/00G01N27/125G01N27/26
    • The present invention refers to a sensor (10) having a layer arrangement (12), wherein the layer arrangement (12) comprises at least a base layer (14), a middle layer (16) and an outer layer (18), wherein the middle layer (16) is arranged at least partly upon and in contact with the base layer (14) and wherein the outer layer (18) is arranged at least partly upon and in contact with the middle layer (16), wherein the base layer (14) comprises a metal, wherein the middle layer (16) comprises a metal oxide, and wherein the outer layer (18) is porous and comprises a material selected from the group comprising electrically conductive carbon compounds such as, more particularly, graphite or carbon nanotubes (CNTs), organic electrical conductors and base metals, and wherein electrical contacts can be formed with the base layer (14) and outer layer (18) for a conductivity measurement and/or a resistance measurement. Such a sensor (10) provides a high sensitivity with a high selectivity already at ambient temperature and is furthermore producible especially cost-saving. The present invention further refers to a method for producing a sensor (10). The present invention further refers to the use of a sensor (10) according to the invention as gas sensor and/or as liquid sensor.
    • 本发明涉及具有层布置(12)的传感器(10),其中层布置(12)至少包括基层(14),中间层(16)和外层(18),其中 所述中间层(16)至少部分地布置在所述基底层(14)上并与所述基底层(14)接触,并且其中所述外层(18)至少部分地布置在所述中间层(16)上并与所述中间层(16)接触,其中所述基底 层(14)包括金属,其中中间层(16)包括金属氧化物,并且其中外层(18)是多孔的,并且包括选自包括导电碳化合物的材料,特别是石墨 或碳纳米管(CNT),有机电导体和贱金属,并且其中可以与基底层(14)和外层(18)形成电接触以进行电导率测量和/或电阻测量。 这种传感器(10)在环境温度下已经具有高选择性的高灵敏度,并且进一步可生产,特别是节省成本。 本发明还涉及一种用于制造传感器(10)的方法。 本发明还涉及使用根据本发明的传感器(10)作为气体传感器和/或液体传感器。