Method for growing monocrystal black phosphorus based on solid-source chemical vapor deposition method
A technology for chemical vapor deposition and single crystal growth, which is applied in chemical instruments and methods, from chemically reactive gases, single crystal growth, etc., can solve problems such as difficult to achieve large-scale rapid production, and achieve technical efficiency improvement and rapid preparation. Effect
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[0023] Example 1
[0024] This embodiment includes the following steps:
[0025] S 1 , The red phosphorus, metallic tin and tin tetraiodide are fully mixed in a weight ratio of 10-100:1-10:1 and then sealed in one end of the quartz ampoule, the end is regarded as the high temperature zone, and the other end is regarded as the low temperature zone; Vacuum until the pressure inside the quartz ampoule is below 0.01Pa;
[0026] S 2 , Place the high temperature zone of the quartz ampoule in the high temperature heating zone of the muffle furnace, and place the low temperature zone in the low temperature heating zone of the muffle furnace to heat separately; the high temperature heating zone is heated from room temperature 23°C to 500°C at a rate of 500°C / h , The low-temperature heating zone is heated from room temperature 23℃ to 460℃ at a rate of 460℃ / h, keeping the temperature difference between the high-temperature heating zone and the low-temperature heating zone 0.5h;
[0027] S 3 Aft...
Example Embodiment
[0032] Example 2
[0033] This embodiment includes the following steps:
[0034] S 1 , The red phosphorus, metallic tin and tin tetraiodide are fully mixed in a weight ratio of 10-100:1-10:1 and then sealed in one end of the quartz ampoule, the end is regarded as the high temperature zone, and the other end is regarded as the low temperature zone; Vacuum until the pressure inside the quartz ampoule is below 0.01Pa;
[0035] S 2 , The high temperature zone of the quartz ampoule is placed in the high temperature heating zone of the muffle furnace, and the low temperature zone is placed in the low temperature heating zone of the muffle furnace for heating; the high temperature heating zone is heated from room temperature 23°C to 700°C at a rate of 700°C / h , The low-temperature heating zone is heated from room temperature 23℃ to 600℃ at a rate of 600℃ / h, and the temperature difference between the high-temperature heating zone and the low-temperature heating zone is 1h;
[0036] S 3 After...
Example Embodiment
[0037] Example 3
[0038] This embodiment includes the following steps:
[0039] S 1 , The red phosphorus, metallic tin and tin tetraiodide are fully mixed in a weight ratio of 10-100:1-10:1 and then sealed in one end of the quartz ampoule, the end is regarded as the high temperature zone, and the other end is regarded as the low temperature zone; Vacuum until the pressure inside the quartz ampoule is below 0.01Pa;
[0040] S 2 , Place the high temperature zone of the quartz ampoule in the high temperature heating zone of the muffle furnace, and place the low temperature zone in the low temperature heating zone of the muffle furnace for heating; the high temperature heating zone is heated from room temperature 23°C to 1000°C at a rate of 1000°C / h , The low-temperature heating zone is heated from room temperature 23℃ to 800℃ at a rate of 800℃ / h, and the temperature difference between the high-temperature heating zone and the low-temperature heating zone is maintained for 5 hours;
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