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. 2017 Aug 30;2(8):5196–5208. doi: 10.1021/acsomega.7b00551

Figure 2.

Figure 2

Comparison of CA-CDs synthesized with EDA at bulk (100 and 50 mL) and small (3 mL) scales using 70% microwave power, 2 min repetitive heating, 0.1 g/mL CA in DI water/3480 μL EDA/100 mL solution. (A) UV absorption spectra of CA-CDs at 1.21 × 10–5 g CD/mL DI water at small (3 mL) and bulk (100 and 50 mL) scales. (B) Photoluminescence emission spectra of 1.2 mg CD/mL DI water small-scale CA-CDs (3 mL) and bulk CA-CDs (100 and 50 mL). Samples were excited using a 355 nm laser (see Table S2).