Nanowire composite structure and methods of forming the same, sensing device and methods of forming the same and protective structures of a nanowire
AssigneeNational Tsing Hua University
InventorsHsueh-Shih Chen, Pin-Ru Chen
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Abstract
A nanowire composite structure is provided. The nanowire composite structure includes a nanowire core, wherein a material of the nanowire core includes Se, Te or a combination thereof. The nanowire composite structure also includes a metal layer covering the nanowire core. A method for forming the nanowire composite structure, a protective structure of a nanowire, a sensing device, and a method for forming a sensing device are also provided.
Claims25
A nanowire composite structure, comprising:
- a nanowire core, wherein a material of the nanowire core comprises Se, Te or a combination thereof;
- and
- a metal layer covering a surface of the nanowire core.
A method of forming a nanowire composite structure, comprising following steps:
- (A) mixing a first precursor solution and a second precursor solution;
- (B) heating a mixture mixed by the first precursor solution and the second precursor solution to form a nanowire core;
- and
- (C) adding a metal salt to mix with the nanowire core and then forming a metal layer covering a surface of the nanowire core;
- wherein the first precursor solution comprises a surfactant and a first solvent, and the second precursor solution comprises a group 16 element and a second solvent.
A protective structure of a nanowire, comprising:
- a metal layer covering a surface of a nanowire core, wherein a material of the metal layer comprises Ag or Cu;
- and
- a metal oxide layer covering the metal layer and being the outermost layer of the protective structure, wherein a material of the metal oxide layer comprises TiO2, SiO2.
A sensing device, comprising:
- a substrate;
- a first electrode and a second electrode disposed on the substrate;
- and
- a plurality of nanowires disposed on the substrate and between the first electrode and the second electrode, wherein the plurality of nanowires comprises a first nanowire in contact with the first electrode and a second nanowire in contact with the second electrode, and every nanowire of the plurality of nanowires is in contact with at least another nanowire, and wherein the plurality of nanowires is a photo sensor.
A method of forming a sensing device, comprising:
- providing a substrate;
- forming a recess in the substrate;
- spraying a solution containing a plurality of nanowires to the recess of the substrate so that the plurality of nanowires is attached to the substrate and the recess;
- and
- attaching a first electrode and a second electrode to the substrate, wherein the first electrode and the second electrode are located in two sides of the recess, and the plurality of nanowires comprise a first nanowire in contact with the first electrode and a second nanowire in contact with the second electrode, and every nanowire of the plurality of nanowires is in contact with at least another nanowire.
Dependencies are inferred from the claim text.