Adeshina Mohammad A, Ogunleye Abdulazeez M, Lee Hakseon, Mareddi Bharathkumar, Kim Hyunmin, Park Jonghoo
School of Electronic and Electrical Engineering, Kyungpook National University, Daegu 41566, Republic of Korea.
Division of Biotechnology, Daegu Gyeongbuk Institute of Science and Technology (DGIST), Daegu 42988, Republic of Korea.
Materials (Basel). 2024 Sep 9;17(17):4431. doi: 10.3390/ma17174431.
This review explores the integration of graphene and liquid crystals to advance sensor technologies across multiple domains, with a focus on recent developments in thermal and infrared sensing, flexible actuators, chemical and biological detection, and environmental monitoring systems. The synergy between graphene's exceptional electrical, optical, and thermal properties and the dynamic behavior of liquid crystals leads to sensors with significantly enhanced sensitivity, selectivity, and versatility. Notable contributions of this review include highlighting key advancements such as graphene-doped liquid crystal IR detectors, shape-memory polymers for flexible actuators, and composite hydrogels for environmental pollutant detection. Additionally, this review addresses ongoing challenges in scalability and integration, providing insights into current research efforts aimed at overcoming these obstacles. The potential for multi-modal sensing, self-powered devices, and AI integration is discussed, suggesting a transformative impact of these composite sensors on various sectors, including health, environmental monitoring, and technology. This review demonstrates how the fusion of graphene and liquid crystals is pushing the boundaries of sensor technology, offering more sensitive, adaptable, and innovative solutions to global challenges.
本综述探讨了石墨烯与液晶的结合，以推动传感器技术在多个领域的发展，重点关注热传感和红外传感、柔性致动器、化学和生物检测以及环境监测系统的最新进展。石墨烯卓越的电学、光学和热学性质与液晶的动态行为之间的协同作用，造就了灵敏度、选择性和多功能性显著增强的传感器。本综述的显著贡献包括突出关键进展，如石墨烯掺杂液晶红外探测器、用于柔性致动器的形状记忆聚合物以及用于环境污染物检测的复合水凝胶。此外，本综述还探讨了可扩展性和集成方面的持续挑战，深入了解当前旨在克服这些障碍的研究工作。文中讨论了多模态传感、自供电设备和人工智能集成的潜力，表明这些复合传感器对包括健康、环境监测和技术在内的各个领域具有变革性影响。本综述展示了石墨烯与液晶的融合如何推动传感器技术的边界，为全球挑战提供更灵敏、适应性更强和更具创新性的解决方案。
