Engineering Optoelectronics and Smart Sensors Leveraging Metal-Organic Framework Materials

利用金属有机框架材料的工程光电和智能传感器

基本信息

  • 批准号:
    2763577
  • 负责人:
  • 金额:
    --
  • 依托单位:
  • 依托单位国家:
    英国
  • 项目类别:
    Studentship
  • 财政年份:
    2019
  • 资助国家:
    英国
  • 起止时间:
    2019 至 无数据
  • 项目状态:
    已结题

项目摘要

A summary of the project:The research is in the field metal-organic framework (MOF) materials, a class of hybrid inorganic-organic compound with tuneable physical and chemical properties. The focus is on the design, fabrication, and engineering of optical sensing materials and their subsequent integration into multifunctional devices for the detection of different stimuli, ranging from chemical vapours to mechanical stresses. The results could yield smart sensors with extreme sensitivity and selectivity targeting real-world applications. This project falls within the EPSRC research areas: Sensors and instrumentation; Photonic materials; Materials engineering - composites.The objectives of the project encompass the following aspects:(i) Implementation of state-of-the-art nanoanalytical techniques to characterise MOF structures. Scattering-type scanning near-field optical microscopy (s SNOM), in combination with nano-Fourier infrared spectroscopy (nanoFTIR), these non-destructive techniques will enable the local scale characterisation of framework structures in both crystalline and amorphous MOF materials.(ii) Identification and probing of structural defects in fine-scale crystalline materials. The aim is for understanding the evolution of crystal growth induced defects, and the elucidation of the mechanical behaviour at the nanoscale. Structure-mechanical property relationships will be established through tip force microscopy, in conjunction with theoretical calculations using density functional methods.(iii) Tuning of photophysical and sensing properties by leveraging the concept of Guest@MOF confinement at the nanoscale. The porous MOF will act as a "host" structure to incarcerate a luminescent "guest" molecule. The resultant "composite" will be studied for surface adsorption effect versus true encapsulation in the MOF pore, addressing a major challenge in the field of Guest@MOF composite materials.The project will be carried out in collaboration with the large science facilities based in Harwell, namely Diamond Light Source (beamline B22 MIRIAM) and ISIS Neutron & Muon Source (TOSCA). In situ synchrotron and neutron vibrational spectroscopy will be applied to track the real-time response of Guest@MOF crystals subject to chemical and physical stimuli when irradiated by a broadband infrared/neutron source. For example, low concentration dosing of acetone will cause host-guest interactions to enable the study of basic sensing mechanisms. Collectively, the findings of this project will help guide the design and engineering of ppm-sensitive sensors for detecting vapours of volatile organic compounds. The results may also benefit the field of optoelectronics for lighting and smart devices.
该项目的摘要:研究是在现场金属有机框架(MOF)材料中,这是一类杂交无机有机化合物,具有可调的物理和化学特性。重点是光学传感材料的设计,制造和工程及其随后集成到多功能设备中,以检测不同刺激,从化学蒸气到机械应力。结果可能会产生具有极高灵敏度和选择性的现实应用程序应用程序的智能传感器。该项目属于EPSRC研究领域:传感器和仪器;光子材料;材料工程 - 复合材料。项目的目标包括以下方面:(i)实施最先进的纳米分析技术来表征MOF结构。这些非破坏性技术将散射式扫描近场光学显微镜(S SNOM)与纳米库红外光谱(Nanoftir)结合使用,这些非破坏性技术将使结构材料的晶体和无斑MOF材料中的框架结构在结构材料中的局部规模表征。目的是了解晶体生长诱发的缺陷的演变以及纳米级机械行为的阐明。结构机械性质关系将通过尖端力显微镜与使用密度功能方法的理论计算建立。(iii)通过利用纳米级的Guest@MOF限制的概念来调整光物理和感测特性。多孔MOF将充当“宿主”结构,以监禁发光的“客人”分子。最终的“复合”将被研究以进行表面吸附效果与MOF孔中的真实封装,以应对Guest@MOF综合材料领域的主要挑战。该项目将与位于Harwell的大型科学设施合作进行,NOMELY DIAMOND LIGHT LIGHT SOCRIDER(BEAMLINE B22 MIRIAM)和ISIS NETRIC和MUON和MUON(TOSCA)(TOSCA)。当被宽带红外/中子源辐射时,原位同步加速器和中子振动光谱法将用于跟踪宾客@MOF晶体的实时响应。例如,丙酮的低浓度剂量将导致宿主 - 基因相互作用,以便研究基本的感应机制。总的来说,该项目的发现将有助于指导PPM敏感传感器的设计和工程,以检测挥发性有机化合物的蒸气。结果还可能使光电学领域受益于照明和智能设备。

项目成果

期刊论文数量(0)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)

暂无数据

数据更新时间:2024-06-01

其他文献

Metal nanoparticles entrapped in metal matrices.
Ged?chtnis und Wissenserwerb [Memory and knowledge acquisition]
  • DOI:
    10.1007/978-3-662-55754-9_2
    10.1007/978-3-662-55754-9_2
  • 发表时间:
    2019-01-01
    2019-01-01
  • 期刊:
  • 影响因子:
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  • 作者:
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A Holistic Evaluation of CO2 Equivalent Greenhouse Gas Emissions from Compost Reactors with Aeration and Calcium Superphosphate Addition
曝气和添加过磷酸钙的堆肥反应器二氧化碳当量温室气体排放的整体评估
  • DOI:
    10.3969/j.issn.1674-764x.2010.02.010
    10.3969/j.issn.1674-764x.2010.02.010
  • 发表时间:
    2010-06
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  • 期刊:
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  • 作者:
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