Here we developed a fast and green process of micro-plasma system for three-dimensional porous nanomaterials on low-cost paper substrates. The characteristics are low-cost, flexible, and high-stability. It has three major applications, including increasing Raman measument, the detection process can be used with portable Raman spectroscopy for fast sensing, and it can quickly analyze pesticides, food, drugs, etc. In addition, it can be equipped with boron nitride for high hydrogen production and high pollution biodegradation and other applications.
1. One-step microplasma as the green and sustainable synthesis of single and polymetallic nanoparticle coated on a paper-based substrate
2. Convenient, scalable, and low-cost technique firstly introduced by our lab
3. By microplasma fabricated 3D structure (x-y-z-direction), improved SERS (LoD of Femi Molarity), hydrogen production, and catalytic performance can be achieved.
4. Process of multiple countries patent applications.
1. Microplasma synthesis of cost-efficient 3D nanoporous of polymetallic nanoparticles for hydrogen production, catalysis, and raman sensing
2. High stability and sensitivity of the fabricated raman sensor excels from the commercial raman sensor with 1/20 lower cost and repetitive usage. Broad application range, with advantages including:
(1)Suitable for many kinds of material states; (2)ease of operation, avoiding the usage of other fluorescent materials; (3)fast measurement of daily food and supplements
3) The material and application are suitable for hydrogen production and catalytic fields.

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