A rapid method for preparing silver nanoclusters with strong fluorescence emission
A fluorescence emission, silver nanocluster technology, applied in nanotechnology and other directions, can solve problems to be further improved, and achieve the effect of convenient large-scale synthesis, simple reaction system and fast synthesis speed
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[0010] The present invention will be further described in detail below in conjunction with specific experimental examples.
[0011] (1) Preparation of the solution used:
[0012] Weigh 0.0849gAgNO 3 Solid preparation 50mL0.01M AgNO 3 solution, then first dilute 50mL1.0×10 -3 M AgNO 3 solution, again by 1.0 x 10 -3 M diluted 250mL1.0×10 -4 M AgNO 3 stock solution; weigh 0.0154g Amino Black 10B to prepare 50mL1.0×10 -4 Amino black 10B stock solution of M; weigh 0.0189gNaBH 4 Solid preparation 50mL0.1M NaBH 4 stock solution.
[0013] (2) Preparation of silver nanoclusters:
[0014] Take 14.75mL double-distilled water in a 50mL Erlenmeyer flask, add 2.0mLAgNO 3 (1.0×10 -4 M) solution, 0.25mL NaBH 4 (0.1M) solution and 3.0mL Amino Black 10B (5.0×10 -4 M). Stirring at 60° C. for 10 min, silver nanoclusters with strong fluorescence emission can be obtained.
[0015] (3) Optimization process of silver nanocluster synthesis conditions:
[0016] The influence of the con...
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