Composite structure and method for manufacturing the same, method for degrading organics and method for sterilizing

Abstract

The present disclosure provides a composite structure and a method for manufacturing the same. The composite structure includes a degradation activity donor and a supporter. The degradation activity donor has a piezoelectric property. The supporter carries the degradation activity donor, wherein the degradation activity donor is completely or partially covered by the supporter.

What is claimed is: 
     
         1 . A composite structure, comprising:
 a degradation activity donor having a piezoelectric property; and   a supporter carrying the degradation activity donor, wherein the degradation activity donor is completely or partially covered by the supporter.   
     
     
         2 . The composite structure of  claim 1 , wherein the degradation activity donor is a ferroelectric material, a pyroelectric material, a two-dimensional material with a non-centrosym metric structure or a combination thereof. 
     
     
         3 . The composite structure of  claim 2 , wherein the two-dimensional material with the non-centrosymmetric structure is molybdenum disulfide (MoS 2 ), tungsten ditelluride (WTe 2 ), molybdenum diselenide (MoSe 2 ), tungsten disulfide (WS 2 ) or a combination thereof. 
     
     
         4 . The composite structure of  claim 1 , wherein the degradation activity donor is in a form of powders, and a particle size of each of the powders ranges from 1 nm to 1000 μm. 
     
     
         5 . The composite structure of  claim 1 , wherein a Young's modulus of the supporter ranges from 100 Pa to 300 GPa. 
     
     
         6 . The composite structure of  claim 1 , wherein the supporter is made of a polymer. 
     
     
         7 . The composite structure of  claim 1 , further comprising:
 a conductive part disposed on a surface of the supporter or embedded in the supporter.   
     
     
         8 . A method for manufacturing a composite structure, comprising:
 conducting a combination step, wherein a degradation activity donor is combined with a supporter precursor, and the degradation activity donor has a piezoelectric property; and   conducting a solidification step, wherein the supporter precursor is solidified to form a supporter so as to obtain the composite structure, the supporter carries the degradation activity donor, and the degradation activity donor is completely or partially covered by the supporter.   
     
     
         9 . The method of  claim 8 , wherein the degradation activity donor is a ferroelectric material, a pyroelectric material, a two-dimensional material with a non-centrosymmetric structure or a combination thereof. 
     
     
         10 . The method of  claim 9 , wherein the two-dimensional material with the non-centrosymmetric structure is molybdenum disulfide (MoS 2 ), tungsten ditelluride (WTe 2 ), molybdenum diselenide (MoSe 2 ), tungsten disulfide (WS 2 ) or a combination thereof. 
     
     
         11 . The method of  claim 8 , wherein the degradation activity donor is in a form of powders, and a particle size of each of the powders ranges from 1 nm to 1000 μm. 
     
     
         12 . The method of  claim 8 , wherein a Young's modulus of the supporter ranges from 100 Pa to 300 GPa. 
     
     
         13 . The method of  claim 8 , wherein the supporter is made of a polymer. 
     
     
         14 . The method of  claim 8 , further comprising:
 conducting a deposition step, wherein a conductive part is disposed on a surface of the supporter.   
     
     
         15 . The method of  claim 8 , wherein in the combination step, a conductive material is added, and the conductive material and the degradation activity donor are combined with the supporter precursor. 
     
     
         16 . A method for degrading an organic material, comprising:
 conducting a contacting step, wherein the composite structure of  claim 1  is contacted with a medium, and the medium comprises at least one organic material and water; and   conducting a degrading step, wherein a mechanical perturbation is generated in the medium to polarize the degradation activity donor, and a separation of an electron-hole pair is generated for degrading the organic material.   
     
     
         17 . The method for degrading the organic material of  claim 16 , wherein the medium is an aqueous solution or an air. 
     
     
         18 . The method for degrading the organic material of  claim 16 , wherein the medium is a wastewater of a factory. 
     
     
         19 . A method for sterilizing, comprising:
 conducting a contacting step, wherein the composite structure of  claim 1  is contacted with a medium, and the medium comprises at least one bacterium and water; and   conducting a sterilizing step, wherein a mechanical perturbation is generated in the medium to polarize the degradation activity donor, and a separation of an electron-hole pair is generated for killing the bacterium.   
     
     
         20 . The method for sterilizing of  claim 19 , wherein the medium is an air or an aqueous solution.