Implanting photonic crystals into polymers
Disclosed herein are embodiments of photonic crystals implanted into polymers to create durable, flexible structures that can respond to a series of external stimuli for sensing applications. Also disclosed are method embodiments of fabricating such photonic crystals.
1. A method, comprising:
depositing a plurality of nanoparticles on a surface, wherein the nanoparticles are suspended in a predetermined solvent;
drying the nanoparticles and the solvent, resulting in a plurality of photonic crystals;
dispensing an elastomer mix onto the photonic crystals resulting in a plurality of hybrid photonic crystals, wherein the elastomer mix comprises a magnetorheological elastomer;
curing the hybrid photonic crystals, wherein the curing includes placing magnets near the plurality of hybrid photonic crystals to align magnetic particles in the magnetorheological elastomer to improve its magnetic sensitivity; and
obtaining diffraction spectra of the hybrid photonic crystals.
2. The method of claim 1 , wherein a swelling ratio of the solvent matches the elastomer.
3. The method of claim 1 , wherein a boiling point of the solvent results in the drying of the photonic crystal.
4. The method of claim 1 , wherein the hybrid photonic crystals are magnetic sensors.
5. The method of claim 1 , further comprising coating the nanoparticles with silica (SiO 2 ) or other encapsulating material.
6. The method of claim 1 , wherein the nanoparticles are reflective beads.
7. The method of claim 6 , wherein the reflective beads are adjacent to one another causing multiple reflections.
8. The method of claim 1 , wherein the surface is non-stick.
9. The method of claim 1 , further comprising embedding the nanoparticles in the solvent during the drying.
10. A method for manufacturing a sensor, comprising:
depositing a plurality of nanoparticles on a surface, wherein the nanoparticles are suspended in a predetermined solvent;
drying the nanoparticles and the solvent, resulting in a plurality of photonic crystals;
dispensing an elastomer mix onto the photonic crystals resulting in a plurality of hybrid photonic crystals;
curing the hybrid photonic crystals, wherein the curing includes placing magnets near the plurality of hybrid photonic crystals to align magnetic particles in the elastomer mix to improve its magnetic sensitivity; and
obtaining diffraction spectra of the hybrid photonic crystals.
11. The method of claim 10 , wherein a swelling ratio of the solvent matches the elastomer.
12. The method of claim 10 , wherein the elastomer mix comprises a magnetorheological elastomer.
13. The method of claim 10 , wherein the hybrid photonic crystals are magnetic sensors.
14. The method of claim 10 , further comprising coating the nanoparticles silica (SiO2) or other encapsulating material.
15. The method of claim 10 , wherein the nanoparticles are reflective beads.
16. The method of claim 15 , wherein the reflective beads are adjacent to one another causing multiple reflections.
17. The method of claim 10 , wherein the surface is non-stick.
18. The method of claim 10 , further comprising embedding the solvent during the drying.
19. A method for manufacturing a magnetic sensor, comprising:
depositing a plurality of nanoparticles on a surface, wherein the nanoparticles are suspended in a predetermined solvent;
drying the nanoparticles and the solvent, resulting in a plurality of photonic crystals;
dispensing an elastomer mix onto the photonic crystals resulting in a plurality of hybrid photonic crystals;
curing the hybrid photonic crystals, wherein the curing includes placing magnets near the plurality of hybrid photonic crystals to align magnetic particles in the elastomer mix to improve its magnetic sensitivity; and
obtaining diffraction spectra of the hybrid photonic crystals.
20. The method of claim 19 , wherein the elastomer mix comprises a magnetorheological elastomer.