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α‐Fe2O3 Film with Highly Photoactivity for Non‐enzymatic Photoelectrochemical Detection of Glucose
Authors:Fuyan Liu  Peng Wang  Qianqian Zhang  Zeyan Wang  Yuanyuan Liu  Zhaoke Zheng  Xiaoyan Qin  Xiaoyang Zhang  Ying Dai  Baibiao Huang
Abstract:A non‐enzyme photoelectrochemical (PEC) glucose sensor based on α‐Fe2O3 film is investigated. The α‐Fe2O3 film was fabricated via a simple spin coating method. The proposed glucose sensor exhibits good selectivity, a fast response time of <5 s, a linear range of 0.05 to 6.0 mM, sensitivity of 17.23 μA mM?1 cm?2 and a detection limit of 0.05 μM. Meanwhile, the excellent performances of the α‐Fe2O3 sensor were obtained in reproducibility and the long‐term stability under ambient condition. The linear amperometric response of the sensor covers the glucose levels in physiological and clinical for diabetic patients. Therefore, this non‐enzyme PEC sensor based on α‐Fe2O3 film has a great potential application in the development of glucose sensors.
Keywords:α  -Fe2O3  film  photoelectrochemical  glucose  sensor
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