GOLD NANOISLAND ARRAYS
First Claim
Patent Images
1. A substrate for facilitating enhanced SERS analysis, comprising:
- a first substrate surface; and
a plurality of discrete metal nanostructures disposed on the first substrate surface to define an array;
wherein each respective metal nanostructure is between about 10 nm and about 30 nm high and between about 15 nm and about 60 nm in diameter; and
wherein two adjacent respective metal nanostructures are separated by a gap of between about 20 nm to about 50 nm.
0 Assignments
0 Petitions
Accused Products
Abstract
A substrate for facilitating enhanced SERS analysis, including a semiconducting substrate and a plurality of discrete metal nanostructures disposed on the semiconducting substrate to define an array. Each respective metal nanostructure is between about 10 nm and about 30 nm high and between about 15 nm and about 60 nm in diameter and two adjacent respective metal nanostructures are separated by a gap of between about 20 nm to about 50 nm.
57 Citations
20 Claims
-
1. A substrate for facilitating enhanced SERS analysis, comprising:
-
a first substrate surface; and a plurality of discrete metal nanostructures disposed on the first substrate surface to define an array; wherein each respective metal nanostructure is between about 10 nm and about 30 nm high and between about 15 nm and about 60 nm in diameter; and wherein two adjacent respective metal nanostructures are separated by a gap of between about 20 nm to about 50 nm. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
-
-
11. A surface enhanced Raman spectroscopy device, comprising:
-
a base substrate; a plurality of gold nanostructures formed on the substrate; and a plurality of gaps interspersed between the respective gold nanoparticles; wherein the nanoparticles are about 40 nm across; and wherein the gaps are about 20 nm across.
-
-
12. A method of producing a surface enhanced Raman spectroscopy device, comprising:
-
a) forming a plurality of gold nanostructures on a base substrate; b) annealing the plurality of gold nanostructures; c) increasing the size of the gold structures to define a plurality of second generation gold structures; d) annealing the plurality of second generation gold nanostructures; e) increasing the size of the second generation gold structures to define a plurality of third generation gold nanostructures; and f) annealing the third generation gold nanostructures; wherein the plurality of third generation gold nanostructures defines a plurality of gaps therebetween; wherein each respective gap is between two or more adjacent gold nanostructures; wherein each respective gold nanostructure is between about 30 nm and about 60 nm across; wherein each respective gold nanostructure is between about 20 nm and about 30 nm in height. - View Dependent Claims (13, 14)
-
-
15. A method of producing a SERS device, comprising:
-
a) sputtering metal onto a base silicon substrate to define a first plurality of metal nanostructures; and b) annealing the first plurality of metal nanostructures to define a plurality of first generation metal nanostructures; wherein the plurality of first generation metal nanostructures are substantially evenly distributed; wherein the plurality of first generation nanostructures define a plurality of substantially evenly distributed gaps therebetween; wherein each respective first generation metal nanostructure is about 15 nm in diameter and about 10 nm high; and wherein each respective gap contains between 0 and about 5 nm thick metal. - View Dependent Claims (16, 17, 18, 19, 20)
-
Specification