Low-haze transparent conductors
This disclosure is related to low-haze transparent conductors, ink compositions and method for making the same.
1. An ink composition comprising:
a plurality of conductive nanostructures dispersed in a fluid, wherein:
a diameter distribution of the plurality of conductive nanostructures has a standard deviation that is less than 20% of a mean diameter of the plurality of conductive nanostructures, and
more than 99% of the conductive nanostructures with aspect ratios of at least 10 are no more than 55 μm long.
2. The ink composition of claim 1 , wherein more than 99% of the conductive nanostructures with aspect ratios of at least 10 are no more than 45 μm long.
3. The ink composition of claim 1 , wherein more than 95% of the conductive nanostructures with aspect ratios of at least 10 are about 5 to 50 μm long.
4. The ink composition of claim 1 , wherein more than 95% of the conductive nanostructures with aspect ratios of at least 10 are about 5 to 30 μm long.
5. The ink composition of claim 1 , wherein the conductive nanostructures with aspect ratios of at least 10 have a mean length of about 10-22 μm.
6. The ink composition of claim 1 , wherein the conductive nanostructures with aspect ratios of at least 10 have a mean length squared of about 120-400 μm 2 .
7. The ink composition of claim 1 , wherein more than 99% of the conductive nanostructures with aspect ratios of at least 10 are no more than 55 nm in diameter.
8. The ink composition of claim 1 , wherein more than 99% of the conductive nanostructures with aspect ratios of at least 10 are no more than 45 nm in diameter.
9. The ink composition of claim 7 , wherein more than 95% of the conductive nanostructures with aspect ratios of at least 10 are about 15 to 50 nm in diameter.
10. The ink composition of claim 7 , wherein more than 95% of the conductive nanostructures with aspect ratios of at least 10 are about 20 to 40 nm in diameter.
11. The ink composition of claim 7 , wherein the conductive nanostructures with aspect ratios of at least 10 have a mean diameter of about 26-32 nm and a standard deviation in the range of 4-6 nm.
12. The ink composition of claim 7 , wherein the conductive nanostructures with aspect ratios of at least 10 have a mean diameter of about 29 nm and a standard deviation in the range of 4-5 nm.
13. The ink composition of claim 1 , wherein more than 95% of the conductive nanostructures with aspect ratios of at least 10 are about 5 to 50 μm long, and more than 95% of the conductive nanostructures with aspect ratios of at least 10 are about 15 to 50 nm in diameter.
14. The ink composition of claim 1 , wherein more than 95% of the conductive nanostructures with aspect ratios of at least 10 are about 5 to 30 μm long, and more than 95% of the conductive nanostructures with aspect ratios of at least 10 are about 20 to 40 nm in diameter.
15. The ink composition of claim 1 , wherein the conductive nanostructures with aspect ratios of at least 10 have a mean length of about 10-22 μm, and wherein the conductive nanostructures with aspect ratios of at least 10 have a mean diameter of about 26-32 nm and a standard deviation in the range of 4-6 nm.
16. The ink composition of claim 1 , wherein more than 99% of the conductive nanostructures with aspect ratios of at least 10 are no more than 45 μm long, and more than 99% of the conductive nanostructures with aspect ratios of at least 10 are no more than 45 nm in diameter.
17. The ink composition of claim 1 , further comprising a viscosity modifier from about 0.02% to 4% by weight of the ink composition, and a surfactant from about 0.0025% to 0.1% by weight of the ink composition.
18. The ink composition of claim 1 , wherein the conductive nanostructures comprise silver nanowires from about 0.01 to 1.5% by weight of the ink composition.
19. The ink composition of claim 1 , wherein the standard deviation is less than 15% of the mean diameter.
20. An ink composition comprising:
a plurality of conductive nanostructures dispersed in a fluid, wherein:
a diameter distribution of the plurality of conductive nanostructures has a standard deviation that is less than 20% of a mean diameter of the plurality of conductive nanostructures, and
more than 95% of the conductive nanostructures with aspect ratios of at least 10 are about 5 to 50 μm long.