Extravagant toxins release at an uncontrollable scale due to the continuous embarking of organic and inorganic contaminants has become a severe threat to the ecosystem’s healthy sustainability. The timely monitoring and determination of the environmental contaminants are crucial to take proper steps for environmental remediation. Among advanced nanomaterials, graphene is one of the extensively explored electrode materials for sensing environmental toxins. However, the graphene sheets' agglomeration due to weak wander Waals forces and the π–π interactions compromise its unique inherent features. The integration of graphene into porous structures can facilitate in exploiting its intrinsic properties. Graphene porous network offers highly conductive multiplexed pathways with a well-defined porous structure that provides a better diffusion of the electrolyte along with analytes to encounter the active electrode material. The pores in the 2D sheet or 3D architecture of graphene provide extensive active sites for various analytes' interaction. Rationally designed porous graphene-based materials and nanocomposites are promising advanced electrode materials for trace level quantification of environmental toxins. Herein, we critically discuss the advances in developing the porous graphene and its composites-based electrodes for electrochemical sensing of the environmental toxins.

由于不断进行有机和无机污染物，导致大量毒素的释放无法控制，已严重威胁着生态系统的健康可持续性。及时监测和确定环境污染物对于采取适当的环境补救措施至关重要。在先进的纳米材料中，石墨烯是广泛探索的用于检测环境毒素的电极材料之一。但是，石墨烯片材由于微弱的漂移瓦尔斯力和π-π相互作用而聚集，从而损害了其独特的固有特征。将石墨烯整合到多孔结构中可有助于开发其固有特性。石墨烯多孔网络提供了具有良好定义的多孔结构的高传导性多路复用途径，从而使电解质与分析物更好地扩散，从而与活性电极材料相遇。石墨烯的2D薄片或3D结构中的孔为各种分析物的相互作用提供了广泛的活性位点。合理设计的多孔石墨烯基材料和纳米复合材料有望用于痕量环境毒素的高级电极材料。在这里，我们批判性地讨论了开发用于电化学检测环境毒素的多孔石墨烯及其基于复合材料的电极的进展。石墨烯的2D薄片或3D结构中的孔为各种分析物的相互作用提供了广泛的活性位点。合理设计的多孔石墨烯基材料和纳米复合材料有望用于痕量环境毒素的高级电极材料。在这里，我们批判性地讨论了开发用于电化学检测环境毒素的多孔石墨烯及其基于复合材料的电极的进展。石墨烯的2D薄片或3D结构中的孔为各种分析物的相互作用提供了广泛的活性位点。合理设计的多孔石墨烯基材料和纳米复合材料有望用于痕量环境毒素的高级电极材料。在这里，我们批判性地讨论了开发用于电化学检测环境毒素的多孔石墨烯及其基于复合材料的电极的进展。