Here we developed a fastgreen process of micro-plasma system for three-dimensional porous nanomaterials on low-cost paper substrates. The characteristics are low-cost, flexible,high-stability. It has three major applications, including increasing Raman measument, the detection process can be used with portable Raman spectroscopy for fast sensing,it can quickly analyze pesticides, food, drugs, etc. In addition, it can be equipped with boron nitride for high hydrogen productionhigh pollution biodegradationother applications.

"1. One-step microplasma as the greensustainable synthesis of singlepolymetallic nanoparticle coated on a paper-based substrate
2. Convenient, scalable,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,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,raman sensing
2. High stabilitysensitivity of the fabricated raman sensor excels from the commercial raman sensor with 1/20 lower costrepetitive 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 foodsupplements
3) The materialapplication are suitable for hydrogen productioncatalytic fields"

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