2024年 06期

摘要(Abstract)：

为了检测人表皮生长因子受体2,构建一种新型的自供电光电化学传感器；以铟锌硫化物、铟镁硫化物、钠离子、钾离子掺杂的亚甲基蓝(MB)敏化的碳化氮复合物ZnIn_2S_4/MgIn_2S_4/NaKC_3N_4-MB作为光电阳极，金属炔基聚合物苯基乙烯基铜(PPhECu)纳米棒作为光电阴极，采用X射线衍射、扫描电子显微镜、透射电子显微镜对复合物进行表征，并进行光电化学检测。结果表明：光活性ZnIn_2S_4/MgIn_2S_4/NaKC_3N_4-MB光电阳极中异质结构的形成加速了光生电子的转移，使其具有优异的光电性能，能够作为对电极为传感系统提供电子；集成的光电阳极和光电阴极的自供电光电化学检测模式可消除生物样品中还原性物质的干扰，显著提高光电化学传感器的抗干扰能力及检测灵敏度，检测质量浓度范围为5×10~(-5)～200 mg/L,检测限为0.015 6 ng/L。

关键词(KeyWords)：光电化学;自供电传感器;光电阳极;光电阴极;光生电子

基金项目(Foundation): 国家自然科学基金项目(22274062)

作者(Author): 卢鹏,郭青芳,汪雪,吕东,陈金贵,张诺,冷东全,魏琴

DOI: 10.13349/j.cnki.jdxbn.20241008.001

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