KMS Chongqing Institute of Green and Intelligent Technology, CAS
Three-dimensional hollow nickel phosphate microspheres with controllable hoya-like structure for high-performance enzymeless glucose detection and supercapacitor | |
Ma, Xiaoqing1; Chen, Jie3; Yuan, Binfang1; Li, Yadong2; Yu, Leyong4; Zhao, Wenxi2 | |
2022-06-30 | |
摘要 | Three-dimensional hollow hoya-like nickel phosphate (NiP) microspheres derived from nickel metal-organic frameworks (Ni-MOFs) are constructed and a series of calcinated temperatures are performed to investigate the temperature influence on the morphological and compositional evolutions, as well as electrochemical performance in detail. It is observed as-designed NiP calcinated at 450 & DEG;C is most beneficial for the enzymeless glucose sensor and supercapacitor applications outperforming its counterparts, delivering a noteworthy sensitivity (1373.7 A mM(-1) cm(-2)) with a low detection limit of 160 nM, and satisfactory results in real human serum sample when utilized as a glucose sensor, while attaining a high specific capacity 1625F g(-1) (1 A g(-1)) and exceptional rate performance (remaining 75.9% of its initial capacitance at 20 A g(-1)) for supercapacitor application. Here, the open structure configuration, interconnected flower-like nanosheets and amorphous state owing to NiP-450, like blooming "flowers ", make the active materials employed efficiently, ion/charge transferred rapidly and volume deformation decreased, significantly enhanced electrochemical properties, suggesting its competitive advantages in biosensor and supercapacitor research fields and capability as a promising candidate in future practical applications. |
关键词 | Hollow hoya-like nickel phosphate Metal-organic frameworks Electrochemical performance Glucose Supercapacitor |
DOI | 10.1016/j.apsusc.2022.152928 |
发表期刊 | APPLIED SURFACE SCIENCE |
ISSN | 0169-4332 |
卷号 | 588页码:10 |
通讯作者 | Yu, Leyong(lyyu@cigit.ac.cn) ; Zhao, Wenxi(zwx.168@163.com) |
收录类别 | SCI |
WOS记录号 | WOS:000776696500004 |
语种 | 英语 |