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引言NO_2是有毒气体,所以在环境保护中要求NO_2含量低于30至40ppb,而工业卫生水平要求NO_2含量低于5ppm。本文描述的NO_2传感器,它所能检测的NO_2浓度范围为1ppb至10ppm。所用材料是酞菁化铅薄膜(LeadlPhthatocyanine,符号为PbPc)和无金属酞菁薄膜(Metal-
Introduction NO 2 is a toxic gas, so NO 2 levels below 30 to 40 ppb are required for environmental protection while industrial hygiene levels require NO 2 levels below 5 ppm. The NO 2 sensor described here can detect NO 2 concentrations in the range of 1 ppb to 10 ppm. The materials used are Leadl Phthalocyanine (PbPc) and Metal-