Boron chain embedded carbon nanotubes
Compositions comprising boron chain embedded carbon nanotubes, methods of making, and methods of using are provided. Electroluminescent compositions comprising the same are also provided.
1. A composition comprising a boron chain embedded inside a carbon nanotube and an indium-tin-oxide (ITO) glass plate.
2. The composition of claim 1 , wherein the composition is an electroluminescent composition.
3. The composition of claim 1 , wherein the carbon nanotube is coated on a Fluorine-Tin-Oxide (FTO) glass plate.
4. The composition of claim 3 , wherein the ITO glass plate and the FTO glass plate are separated by a gap of about 0.18 mm.
5. The composition of claim 1 , wherein the composition generates pure white light upon being powered by an electrical current.
6. A method of preparing a boron chain embedded inside a carbon nanotube, the method comprising:
contacting a hydrocarbon gas and boron gas in a furnace comprising a metal catalyst to yield the boron chain embedded inside the carbon nanotube.
7. The method of claim 6 , wherein the contacting comprises contacting a hydrocarbon gas and boron gas in a furnace comprising a mischmetal.
8. The method of claim 6 , wherein the contacting comprises contacting a hydrocarbon gas and boron gas in a furnace at a temperature of at least about 1100 degrees Celsius and at a pressure of 6 bar (600 kPa).
9. The method of claim 6 , wherein contacting comprises contacting a hydrocarbon gas and boron gas in a furnace comprising a metal catalyst-encapsulated by a quartz tube.
10. The method of claim 6 , further comprising, prior to the contacting step, heating the furnace comprising the metal catalyst to a temperature of about 550 degrees Celsius at a rate of about 5 degrees Celsius per minute.
11. The method of claim 10 , further comprising passing hydrogen gas through the furnace continuously at a pressure of about 2 bar (200 kPa).
12. The method of claim 6 , further comprising generating the boron gas by contacting sodium borohydrate (NaBH 4 ) and ammonium sulphate (NH 4 ) 2 SO 4 in the presence of an inert gas under conditions sufficient to yield boron gas (B 3 N 3 H 6 ).
13. The method of claim 12 , wherein generating comprises generating the boron gas by contacting sodium borohydrate (NaBH 4 ) and ammonium sulphate (NH 4 ) 2 SO 4 in the presence of argon gas under conditions sufficient to yield boron gas (B 3 N 3 H 6 ).
14. The method of claim 12 , wherein the generating further comprises contacting sodium borohydrate and ammonium sulphate in a container comprising a high boiling point electronegative non-volatile electrolyte and iodide.
15. The method of claim 14 , wherein the contacting comprises contacting sodium borohydrate and ammonium sulphate in a container comprising tetraglyme and iodide.
16. A system for producing a boron chain embedded inside a carbon nanotube, the system comprising:
a gas inlet;
a gas outlet;
a boron gas generator;
a furnace;
a quartz tube; and
a water trap,
wherein the gas inlet and boron gas generator are connected to a first side of the furnace such that a first gas from the gas inlet and a product from the boron gas generator enter the furnace simultaneously;
wherein the gas outlet is connected to a second side of the furnace via the water trap; and
wherein the quartz tube is situated inside the furnace.
17. The system of claim 16 , wherein the system comprises a metal catalyst situated inside the quartz tube.
18. The system of claim 17 , wherein the metal catalyst is situated on a quartz substrate situated inside the quartz tube.
19. The system of claim 16 , further comprising a port for the introduction of a hydrocarbon gas connected to the gas inlet.
20. The system of claim 16 , further comprising a port for the introduction of hydrogen gas connected to the gas inlet.
21. The system of claim 16 , further comprising a port for the introduction of an inert gas into the boron gas generator.