Self-doping localized surface plasma resonance Cu(3-x)P nanocrystalline and preparation method thereof
A plasmonic resonance, localized surface technology, applied in nanotechnology, chemical instruments and methods, single crystal growth, etc., can solve the problems of difficult control, highly toxic phosphine gas, etc., to reduce the reaction temperature and danger. , the reaction process is controllable, and the effect of huge application prospects
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Embodiment 1
[0036] Example 1: Hexagonal self-doping localized surface plasmon resonance Cu 3-x Preparation of P nanocrystals.
[0037] 1) Preparation of copper precursor: Add 60mg (0.6mmol) cuprous chloride, 444mg (1.2mmol) trioctylphosphine and 5mL oleylamine into a 25mL three-necked flask, stir and vacuumize at 100°C for 1 hour, Obtain copper precursor, stand-by;
[0038] 2) Nitrogen gas was introduced into the three-necked flask, and the temperature was adjusted to 120°C, and 250mg of (TMS) with a mass concentration of 10% 3 P n-hexane solution (wherein (TMS) 3 The amount of P is about 0.1mmol) and 1mL of octadecene are mixed evenly and the n-hexane is vacuum-drained, then quickly injected into the above-mentioned copper precursor with a syringe, and continue to react for 10 minutes;
[0039] 3) After the reaction, cool down to room temperature in an air bath, add acetone until the reaction solution becomes turbid, centrifuge in a centrifuge and discard the supernatant; then dissolv...
Embodiment 2
[0040] Example 2: Hexagonal self-doping localized surface plasmon resonance Cu 3-x Preparation of P nanocrystals.
[0041] 1) Preparation of copper precursor: Add 60mg (0.6mmol) cuprous chloride, 666mg (1.8mmol) trioctylphosphine and 5mL oleylamine into a 25mL three-necked flask, stir and vacuumize at 100°C for 1 hour, Obtain copper precursor, stand-by;
[0042] 2) Nitrogen gas was introduced into the three-necked flask, and the temperature was adjusted to 120°C, and 250mg of (TMS) with a mass concentration of 10% 3 P n-hexane solution (wherein (TMS) 3 The amount of P is about 0.1mmol) and 1mL of octadecene are mixed evenly and the n-hexane is vacuum-drained, then quickly injected into the above-mentioned copper precursor with a syringe, and continue to react for 10 minutes;
[0043] 3) After the reaction, cool down to room temperature in an air bath, add acetone until the reaction solution becomes turbid, centrifuge in a centrifuge and discard the supernatant; then dissolv...
Embodiment 3
[0044] Example 3: Hexagonal self-doping localized surface plasmon resonance Cu 3-x Preparation of P nanocrystals.
[0045] 1) Preparation of copper precursor: Add 60mg (0.6mmol) cuprous chloride, 888mg (2.4mmol) trioctylphosphine and 5mL oleylamine into a 25mL three-necked flask, stir and vacuumize at 100°C for 1 hour, Obtain copper precursor, stand-by;
[0046] 2) Nitrogen gas was introduced into the three-necked flask, and the temperature was adjusted to 120°C, and 250mg of (TMS) with a mass concentration of 10% 3 P n-hexane solution (wherein (TMS) 3 The amount of P is about 0.1mmol) and 1mL of octadecene are mixed evenly and the n-hexane is vacuum-drained, then quickly injected into the above-mentioned copper precursor with a syringe, and continue to react for 10 minutes;
[0047] 3) After the reaction, cool down to room temperature in an air bath, add acetone until the reaction solution becomes turbid, centrifuge in a centrifuge and discard the supernatant; then dissolv...
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