通过在具有微米级沟槽(一个沟槽周期5 μm)的玻璃基底上进行平面镀金,制备了具有相同沟槽周期的Au膜;并在Au膜上制备Cu2+修饰的巯基十一酸自组装敏感膜.向列相液晶5CB在Au膜基底上呈平行于Au膜沟槽的沿面排列;5CB在自组装敏感膜表面上的取向排列方式为垂直排列.通过检测甲基膦酸二甲酯时液晶织构的变化,表明5CB的取向排列方式由垂直排列转变为倾斜排列,并阐明了液晶型化学传感器的作用机理.首次证实以微米级沟槽状Au膜为基底制作的液晶型化学传感器可以用于检测目标化合物.
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