Metal-Organic Framework Conductive Textiles for Analyte Sensing
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Solution Overview
Problem
Current electronic textiles and smart fabric sensors face limitations in flexibility, tunability, conductivity, and efficient fabrication, particularly in integrating conductive materials at the fiber level while maintaining functional integrity.
Innovation Solution
Conductive textiles are developed by associating metal-organic frameworks with textile components, forming a conductive network that includes a textile component with fibers and metal-organic frameworks, which are conformally coated and in ohmic contact, providing a conductive pathway and enhanced porosity for sensing analytes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conductive materials are integrated at the fiber level, then conductivity is improved, but flexibility and functional integrity deteriorate
Solution Approach 1:
The patent employs metal-organic frameworks (MOFs) with inherent porous structures that provide conductive pathways while maintaining the flexible, breathable nature of textile fibers. The porous architecture allows the material to conduct electricity without requiring dense, rigid conductive layers that would compromise flexibility.
Solution Approach 2:
The invention creates composite structures by associating MOF crystals with textile fibers, combining the conductive properties of metal-organic frameworks with the mechanical flexibility of textile materials. This composite approach enables both conductivity and flexibility to coexist in the same material system.
2Reliability
If metal-organic frameworks are conformally coated on fibers, then conductivity is improved, but manufacturing complexity increases
Solution Approach 1:
The patent utilizes self-assembly processes where MOF crystals spontaneously form and coat the textile fibers through solution-phase synthesis. This self-organizing behavior eliminates the need for complex deposition equipment or multi-step manufacturing processes, reducing fabrication complexity while achieving conformal coverage.
3Measurement precision
If porous structure is enhanced for analyte detection, then sensing capability is improved, but manufacturing precision requirements increase
Solution Approach 1:
The patent achieves enhanced porosity and sensing capability by adjusting synthesis parameters such as solution composition, temperature, and reaction time during MOF formation. These parameter changes control the pore size, surface area, and crystal morphology, enabling optimized analyte detection without requiring precision control during textile manufacturing.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The conductive textiles exhibit reliable conductivity, flexibility, and stability, enabling the detection of analytes at low concentrations and in humid environments, with simultaneous filtration and capture capabilities, and are washable and reusable.
Implementation Method 1
the metal-organic frameworks are conformally coated on the fibers of the textile component
Implementation Method 2
the metal-organic frameworks are in ohmic contact with the textile component
Implementation Method 3
detecting the presence or absence of the analyte from the sample by detecting a change in a property of the conductive textile
Data Source
AI summary
Embodiments of the present disclosure pertain to conductive textiles that include a textile component with a plurality of fibers; and metal-organic frameworks associated with the fibers of the textile component in the form of a conductive network. Metal-organic frameworks may have a two-dimensional structure and a crystalline form. Metal-organic frameworks may be conformally coated on the fibers of the textile component. Additional embodiments of the present disclosure pertain to methods of sensing an analyte in a sample by exposing the sample to a conductive textile; and detecting the presence or absence of the analyte by detecting a change in a property of the conductive textile, and correlating the change in the property to the presence or absence of the analyte. The analyte in the sample may reversibly associate with the conductive textile. The association may also result in filtration, pre-concentration, and capture of the analyte by the conductive textile.