Department of Biotechnology, School of Bioengineering, SRM Institute of Science and Technology, Kattankulathur, Chennai, Tamil Nadu, India.
Department of Chemical Engineering, Harcourt Butler Technical University, Kanpur, Uttar Pradesh, India.
Luminescence. 2024 Jul;39(7):e4833. doi: 10.1002/bio.4833.
Nanostructured transition metal dichalcogenides (TMDCs) have garnered significant attention as prospective materials for the development of highly sensitive and versatile colorimetric sensors. This work explores the synthesis, characterization, and emerging applications of TMDC-based sensors, focusing on their unique structural aspects and inherent properties. The synthesis methods involve tailored fabrication techniques, such as chemical vapor deposition and hydrothermal processes, aimed at producing well-defined nanostructures that enhance sensor performance. Characterization techniques, including microscopy, spectroscopy, and surface analysis, are employed to elucidate the structural and chemical features of the nanostructured TMDCs. These analyses provide insights into the correlation between the material's morphology and its sensing capabilities. The colorimetric sensing mechanism relies on the modulation of optical properties in response to specific analytes, enabling rapid and visual detection. The emerging applications of TMDC-based colorimetric sensors span diverse fields, including environmental monitoring, healthcare, and industrial processes. The sensors exhibit high sensitivity, selectivity, and real-time response, making them ideal candidates for detecting various target analytes. Furthermore, their integration with complementary technologies such as microfluidics, can facilitate the development of on-site and point-of-care applications. This work highlights the interdisciplinary significance of nanostructured TMDC-based colorimetric sensors and underscores their potential contributions to addressing contemporary challenges in sensing technology.
纳米结构过渡金属二卤化物（TMDCs）作为高度灵敏和多功能比色传感器的有前途的材料引起了广泛关注。本工作探讨了基于 TMDC 的传感器的合成、表征和新兴应用，重点关注它们独特的结构方面和固有特性。合成方法涉及定制的制造技术，如化学气相沉积和水热工艺，旨在生产增强传感器性能的明确定义的纳米结构。采用显微镜、光谱学和表面分析等表征技术来阐明纳米结构 TMDC 的结构和化学特征。这些分析提供了对材料形态与其传感能力之间相关性的深入了解。比色传感机制依赖于对特定分析物响应的光学性质的调制，从而实现快速和可视化检测。基于 TMDC 的比色传感器的新兴应用涵盖了环境监测、医疗保健和工业过程等多个领域。传感器表现出高灵敏度、选择性和实时响应，使其成为检测各种目标分析物的理想候选者。此外，它们与微流控等互补技术的集成可以促进现场和即时护理应用的发展。本工作强调了基于纳米结构 TMDC 的比色传感器的跨学科意义，并强调了它们在解决传感技术当代挑战方面的潜在贡献。
