研究目的
To fabricate a flexible, transparent, and stable conductive substrate based on solution-processed silver nanowires (AgNWs) and graphene using an organic-inorganic nanohybrid buffer layer under ambient conditions.
研究成果
The AGPTi O–I nanohybrid serves as an effective buffer layer for flexible conductive substrates, providing high transparency, excellent adhesion, reduced sheet resistance, and good bending durability. It enables successful gravure printing of AgNWs and graphene with uniform patterns, making it suitable for advanced flexible electronic devices.
研究不足
The study may have limitations in scalability for industrial applications, potential issues with long-term stability under harsh conditions, and the need for optimization of printing parameters for different materials. The use of specific chemicals and equipment might restrict broader applicability.
1：Experimental Design and Method Selection:
The study involved synthesizing an organic-inorganic (O–I) nanohybrid sol (AGPTi) by incorporating an alkoxysilane-functionalized amphiphilic polymer (AFAP) precursor into a SiO2–TiO2 hybrid network. This was used as a buffer layer on substrates. Conductive materials (AgNWs and graphene) were deposited via spray-coating and gravure printing. Mechanical pressing was applied to enhance conductivity and adhesion.
2：Sample Selection and Data Sources:
Glass and PET substrates were used. AgNWs were synthesized in-house, and graphene ink was purchased.
3：List of Experimental Equipment and Materials:
Equipment includes spin-coater, spray-coater, gravure printer, spectrophotometer, four-probe resistance meter, optical microscope, atomic force microscope, scanning electron microscope. Materials include AFAP precursors, GPTMS, PTMS, TTiP, ethanol, HCl, AgNWs, graphene ink, IPA, PGMEA.
4：Experimental Procedures and Operational Workflow:
Substrates were cleaned and coated with O–I nanohybrid sol via spin-coating, annealed at 105°C for 30 min. Conductive materials were spray-coated or gravure-printed, followed by mechanical pressing at 10 MPa for 10 min. Characterization involved transmittance, sheet resistance, adhesion tests, microscopy, and bending tests.
5：Data Analysis Methods:
Data were analyzed using standard statistical methods; specific software not mentioned.
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