The alcohol gas sensor according to the present invention includes: a gate insulating film on which a gate electrode is formed and a metal oxide layer formed on one surface of the gate insulating film; A source electrode and a drain electrode formed on the metal oxide layer and spaced apart from each other; And a silicon-based polymer layer formed on the metal oxide layer, the source electrode, and the drain electrode, wherein the polymer of the silicon-based polymer layer includes structural units represented by Chemical Formulas 1 and 2 below. [Formula 1] [Formula 2] [In Formula 1 and Formula 2, R 1 is C 1 -C 4 alkyl; L is a divalent linking group; R 2 is cyano; R 3 is C 1 -C 4 alkyl; R 4 is C 6 -C 20 aryl, The molar ratio of x and y is 1:9 to 9:1.]
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机译：根据本发明的醇气体传感器包括：栅极绝缘膜，在该栅极绝缘膜，在该栅极绝缘膜上形成栅电极，并形成在栅极绝缘膜的一个表面上的金属氧化物层;源电极和形成在金属氧化物层上的漏极，彼此间隔开;在金属氧化物层，源电极和漏电极上形成硅基聚合物层，其中硅基聚合物层的聚合物包括由下面的化学式1和2表示的结构单元。 [式1] [式2] [式1和式2中，R 1 是C 1 -C 4 烷基; L是二价键; R 2 是ysano; R 3 是c 1 -c 4 烷基; R 4 是c 6 -c 20 芳基，X和Y的摩尔比为1：9至9：1。]
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