Group IV nanoparticle fluid
View Patent ↗A silicon nanoparticle fluid including a) a set of silicon nanoparticles present in an amount of between about 1 wt % and about 20 wt % of the silicon nanoparticie fluid; b) a set of HMW binder molecules present in an amount of between about 0 wt % and about 10 wt % of the silicon nanoparticle fluid; and c) a set of capping agent molecules, such that at least some capping agent molecules are attached to the set of silicon nanoparticles. Preferably, the silicon nanoparticle fluid is a shear thinning fluid.
1. A silicon nanoparticle fluid comprising:
a set of silicon nanoparticles, wherein the set of silicon nanoparticles is present in an amount of between about 1 wt % and about 20 wt % of the silicon nanoparticle fluid and wherein an average size of the silicon nanoparticles is less than about 100 nm;
a binder; and
a set of capping agent molecules , wherein at least some capping agent molecules of the set of capping agent molecules are attached to the set of silicon nanoparticles, wherein the fluid is a shear thinning fluid and wherein the silicon nanoparticle fluid has a viscosity of about 5 KcP to about 20 KcP at a shear rate of about 10 sec −1 .
2. The silicon nanoparticle fluid of claim 1 , wherein the set of silicon nanoparticles is present in an amount of between about 2 wt % and about 15 wt % of the silicon nanoparticle fluid.
3. The silicon nanoparticle fluid of claim 1 , wherein the set of silicon nanoparticles is present in an amount of between about 4 wt % and about 10 wt % of the silicon nanoparticle fluid.
4. The silicon nanoparticle fluid of claim 1 , wherein the set of capping agent molecules comprises at least one of a set of alcohol molecules and a set of ketone molecules.
5. The silicon nanoparticle fluid of claim 4 , wherein the set of alcohol molecules is present in an amount of up to 90 wt % of the silicon nanoparticle fluid.
6. The silicon nanoparticle fluid of claim 4 , wherein the set of alcohol molecules is present in an amount of up to 80 wt % of the silicon nanoparticle fluid.
7. The silicon nanoparticle fluid of claim 4 , wherein the set of alcohol molecules is present in an amount of up to 70 wt % of the silicon nanoparticle fluid.
8. The silicon nanoparticle fluid of claim 4 , wherein the set of capping agent molecules comprises a set of alcohol molecules.
9. The silicon nanoparticle fluid of claim 4 , wherein the set of capping agent molecules comprises a set of ketone molecules.
10. The silicon nanoparticle fluid of claim 1 , wherein the set of nanoparticles is undoped.
11. The silicon nanoparticle fluid of claim 1 , wherein the set of nanoparticles is doped with one of boron and phosphorous.
12. The silicon nanoparticle fluid of claim 1 , wherein the binder is cellulose or ethylcellulose.
13. The silicon nanoparticle fluid of claim 1 , wherein an average size of the silicon nanoparticles is from about 5 nm to about 35 nm.
14. The silicon nanoparticle fluid of claim 1 , wherein a content of granular materials in the fluid is less than 10 wt %.