研究目的
To synthesize boron nitride quantum dots (BNQDs) using amino acids as the nitrogen source for fluorescence turn-off-on detection of ascorbic acid.
研究成果
The BNQDs synthesized by amino acids as nitrogen source emitted strong blue fluorescence and were successfully applied to detect ascorbic acid with Fe3 + as medium. The method is sensitive and reliable, with potential applications in real sample detection.
研究不足
The research is in the early stage, especially in detecting organic small molecules. The sensitivity and selectivity of the BNQDs probe could be further optimized.
1：Experimental Design and Method Selection:
BNQDs were synthesized by a one-step hydrothermal method using amino acids as nitrogen source and boric acid as boron source.
2：Sample Selection and Data Sources:
Different amino acids were used as nitrogen sources to synthesize BNQDs.
3：List of Experimental Equipment and Materials:
Not explicitly mentioned in the provided text.
4：Experimental Procedures and Operational Workflow:
The synthesis was carried out at 200 °C for 10 h. The fluorescence properties of BNQDs were characterized, and their application in detecting ascorbic acid was explored.
5：Data Analysis Methods:
The fluorescence intensity was measured to detect the concentration of ascorbic acid.
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