Review-Recent Advances in Nanostructured Graphitic Carbon Nitride as a Sensing Material for Heavy Metal Ions

Graphitic carbon nitride (g-C3N4), as a crucial sensing material has attracted intense interest for sensor devices development. Owing to its large specific surface area, excellent physicochemical stability, exceptional electronic band structure, and outstanding electronic, thermal, optical, and mechanical properties. In addition, excellent biocompatibility, unique electroluminescent and photoelectrochemical properties, g-C3N4 nanomaterials contribute to the development of fast, accurate, cost-effective, and reliable sensors. Herein, we provide a comprehensive review on the development of g-C3N4 nanomaterials-based sensors and their potential detection applications for various heavy metal analytes. Furthermore, a comparative sensing performance of sensors, current challenges and prospective of g-C(3)N4( )based nanomaterials are outlined in detail. (C) The Author(s) 2019. Published by ECS.

石墨相氮化碳（g - C3N4）作为一种关键的传感材料，在传感器设备开发方面引起了极大的关注。由于其具有大的比表面积、优异的物理化学稳定性、独特的电子能带结构以及出色的电学、热学、光学和力学性能，此外，还具有良好的生物相容性、独特的电致发光和光电化学性能，g - C3N4纳米材料有助于开发快速、准确、经济高效且可靠的传感器。在此，我们对基于g - C3N4纳米材料的传感器的发展及其对各种重金属分析物的潜在检测应用进行了全面综述。此外，还详细概述了传感器的比较传感性能、当前面临的挑战以及基于g - C3N4纳米材料的前景。（C）作者，2019年。由美国电化学会（ECS）出版。