Low-Dimensional and Hybrid Functional Materials: Theory, Experiment, and Application

The pursuit of novel functional materials has become a cornerstone of modern science, driven by the need to overcome the physical limitations of traditional silicon-based technologies. Such materials often display remarkable physical and chemical properties that emerge when dimensions are reduced or when structures are engineered at the atomic scale. By integrating theoretical and experimental perspectives, researchers can bridge the gap between fundamental discoveries and transformative functional applications.Central to this field is the study of light–matter interactions, which determine how materials absorb, emit, and manipulate photons. In low-dimensional systems—such as quantum dots or two-dimensional nanosheets—quantum confinement effects fundamentally alter electronic energy levels, enabling tunable optical properties critical for next-generation lasers, sensors, and quantum devices. Furthermore, understanding transport properties (how charge, heat, and spin propagate through these materials) is essential for the development of high-efficiency thermoelectrics and ultrafast electronics.However, no material is perfect. The presence of defects and disorder can hinder performance, yet careful defect engineering may introduce desirable functionalities, such as single-photon emission or enhanced catalysis. Similarly, the behavior of functional materials is heavily influenced by their interfaces, where broken symmetry and charge transfer can lead to unique interfacial phenomena. By creating hybrid materials that combine the best traits of organic and inorganic components, scientists are now developing versatile platforms for applications ranging from flexible energy storage to quantum information processing.The primary goal of studying novel functional materials is to decode the relationship between atomic structure and macroscopic behavior. Integrating theoretical modeling with experimental validation enables researchers to predict, design, and synthesize materials that surpass the limitations of current technologies. Key objectives include leveraging quantum phenomena, such as quantum confinement and light–matter interaction, to realize high-efficiency optoelectronic devices and quantum sensors; investigating transport mechanisms and the role of defects and disorder to optimize conductivity, thermal management, and structural integrity; and mastering interfacial physics to engineer seamless hybrid materials that combine properties like flexibility with high electrical strength. Ultimately, this Research Topic seeks to bridge the gap from fundamental physics to tangible technological applications, providing a blueprint for “materials-by-design” and accelerating the transition from laboratory discovery to real-world implementation.This Research Topic bridges fundamental physics and functional engineering, encompassing the design, synthesis, and characterization of next-generation materials. We welcome submissions of original research articles and review articles that utilize theoretical and experimental techniques to explore, but are not limited to, the following themes:-Synthesis and design of novel functional materials-Light–matter interaction: plasmonic, excitonic, and photonic processes-Charge, thermal, and spin transport analysis-Defect and disorder engineering and their impact on material functionality-Interfacial phenomena and their influence on charge separation, stability, and emergent properties-Hybrid and composite systems for multifunctional applications-Applications in energy harvesting, flexible electronics, optoelectronics, spintronics, gas sensing, and quantum information processing Topic editors: Pushpendra Kumar, Dharmendra Pratap Singh, Vipin Kumar Source: https://www.frontiersin.org/research-topics/79307/low-dimensional-and-hybrid-functional-materials-theory-experiment-and-application