1.高性能光电探测器与射线探测器High-Performance Photodetectors & Radiation Detectors
以钙钛矿及相关半导体材料为研究对象,关注光电探测与射线探测中的电荷产生、输运和收集过程。通过晶体生长、薄膜制备、缺陷钝化和界面调控,改善材料质量与电学特性;结合器件结构设计,降低暗电流与噪声,提高探测灵敏度、响应速度和工作稳定性,探索其在弱光探测与低剂量成像中的应用。We study charge generation, transport and collection in photodetectors and radiation detectors based on perovskites and related semiconductors. Crystal growth, thin-film processing, defect passivation and interface engineering are used to improve material quality and electrical properties. Combined with device design, these approaches aim to reduce dark current and noise while improving sensitivity, response speed and operational stability for low-light detection and low-dose imaging.
氩等离子体表面调控与快速光电探测Argon-plasma surface engineering for fast photodetection
通过调节钙钛矿表面组成与缺陷状态,实现纳秒尺度的快速光电响应。Plasma-controlled surface composition and defect states enable nanosecond-scale photodetection.
低噪声大面积钙钛矿 X 射线探测与成像Low-noise, large-area perovskite X-ray detection and imaging
异质结结构抑制暗电流与离子迁移,在低剂量条件下获得清晰的 X 射线成像信号。Heterojunction engineering suppresses dark current and ion migration for clear imaging at low X-ray dose rates.
柔性大面积直接转换 X 射线探测器阵列Flexible, large-area direct-conversion X-ray detector arrays
以钙钛矿填充膜兼顾机械柔性、有效电荷输运和大面积加工,构建可层压的直接转换 X 射线探测阵列。Perovskite-filled membranes combine mechanical flexibility, effective charge transport and scalable processing for laminated direct-conversion X-ray detector arrays.
2.智能光电器件与集成传感系统Smart Optoelectronic Devices & Integrated Sensing Systems
以光电器件为基础,研究光源、探测器、信号读出电路与无线通信模块的集成,构建能够连续获取和处理传感信号的智能光电传感系统。通过器件小型化、柔性结构设计与信号处理方法的优化,提高检测准确性和系统可靠性,探索可穿戴、植入式等传感形式在医学检测、环境监测和人机交互中的应用。We integrate light sources, photodetectors, readout circuits and wireless communication modules into smart optoelectronic sensing systems for continuous acquisition and processing of sensing signals. By refining device dimensions, flexible structures and signal-processing methods, we aim to improve measurement accuracy and system reliability. We explore wearable, implantable and other sensing formats for medical testing, environmental monitoring and human–machine interaction.
无线植入式光学探头与连续生理监测Wireless implantable optical probes for continuous physiological monitoring
将微型光源、光电探测器、柔性植入探头和蓝牙无线模块集成为连续组织氧合监测系统。Microscale light sources, photodetectors, a flexible implantable probe and a Bluetooth module form an integrated system for continuous tissue-oxygenation monitoring.
3.功能高分子与凝胶材料Functional Polymers & Gel Materials
以高分子与凝胶材料为研究对象,通过分子结构设计与交联网络调控,研究链间相互作用、链缠结和交联方式对材料强度、韧性及拉伸性能的影响。在此基础上,引入具有特定作用的官能团或组分,赋予材料自修复、黏附或离子吸附等功能,探索其在柔性器件与封装防护中的应用。We use molecular design and crosslink control to investigate how interchain interactions, chain entanglements and crosslinking mechanisms affect the strength, toughness and tensile properties of polymers and gels. Functional groups or additional components introduce capabilities such as self-healing, adhesion or ion adsorption. We explore these materials for flexible devices and protective encapsulation.
溶剂增韧的玻璃态凝胶Glassy gels toughened by solvent
通过调控极性聚合物与离子液体的比例,构筑兼具玻璃态刚性和凝胶可拉伸性的均一网络。离子液体增加链间自由体积,同时形成强而密集的非共价交联,使材料兼具高强度与高韧性,并表现出自修复和形状记忆特性。Controlling the ratio of polar polymer to ionic liquid creates a homogeneous network combining glass-like stiffness with gel-like stretchability. The ionic liquid increases free volume while forming strong, abundant non-covalent crosslinks, producing high strength and toughness together with self-healing and shape-memory properties.
吸铅离子凝胶封装Lead-adsorbing ionogel encapsulation
将具有铅离子结合位点的可拉伸、自愈合离子凝胶引入钙钛矿组件封装,在保持器件效率和长期稳定性的同时,显著抑制受损组件在水环境中的铅泄漏。A stretchable, self-healing ionogel containing lead-binding sites is integrated into perovskite-module encapsulation, preserving device efficiency and long-term stability while strongly suppressing lead leakage from damaged modules in water.