Facile hydrothermal synthesis of mn doped ZnO nanopencils for development of amperometric glucose biosensors

Effect of doping mediated oxygen vacancies on the charge transfer ability of zinc oxide nanosheets for electrochemical glucose sensing

“…26 Shukla et al also synthesized Mn-doped ZnO nanopencils for an enzymatic glucose biosensor and found a 17-fold increase in sensitivity for Mn-doped ZnO in comparison to pristine ZnO. 27 Ghosh et al reported an Al-doped ZnO thin film for label-free glucose detection based on fluorescence quenching which has a very high sensitivity with a LOD of 20 μM. 28 Vijayaprasath et al studied the glucose-sensing behavior of Co-doped ZnO nanoparticles made by co-precipitation and found that the constructed biosensor is extremely selective towards glucose.…”

“…Earlier studies state that modifying ZnO by either doping or functionalizing catalysts, such as noble metals, transition metals, carbon nanotubes, graphene, etc., with unique nanostructures could alleviate this problem and thus improve biosensor performances. [24][25][26][27][28][29][30][31] For example, Raza et al reported a non-enzymatic glucose sensor screen printed electrode based on Fe-doped zinc oxide (Fe@ZnO) nanoparticles synthesized by a simple stirring method, which showed a good LOD of 0.30 μM. 25 Luo et al described the development of a high-performance (sensitivity of 7.184 MHz mM −1 ) Mn-doped ZnO multilayer structure Love mode surface acoustic wave (SAW) biosensor for continuous glucose monitoring.…”

Toward Industrial Production of a High-Performance Self-Powered Ultraviolet Photodetector Using Nanoporous Al-Doped ZnO Thin Films

“…In addition to the nature of the active material, its morphology significantly affects the performance of the device. Several strategies for synthesizing complex nanostructures, such as nano-pencils, nanowalls, and nanocolumns, have been employed to increase the surface-to-volume ratio, aiming for a larger active area exposed to light. − For instance, Agrawal et al recently grew an AZO nanowall network growing on Al foil for an on/off ratio of 349 and a high specific detectivity of 4.5 × 10 10 Jones at an applied voltage of only 0.1 V under 350 nm UV radiation with light intensity as low as 396 μW cm –2 . However, the device suffered from a slow response time (rise/decay time of 150/210 s).…”