Journal
ACS APPLIED MATERIALS & INTERFACES
Volume 11, Issue 9, Pages 9277-9282Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acsami.8b19015
Keywords
carbon dots; scale inhibitors; environment friendliness; nanomaterials; calcium sulfate; barium sulfate
Funding
- National Nature Science Foundation [21376178]
- Tianjin Innovation and Development of Regional Marine Economy Demonstration project [cxsf2014-26]
- Youth Innovation Foundation of Tianjin University of Science Technology [2015LG15]
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Carbon quantum dots (CQDs) are promising nanomaterials since they have smaller particle size, excellent biocompatibility, and low toxicity. However, no one has found their high-scale inhibition performance so far. In this article, a new kind of green scale inhibitor, carboxyl carbon quantum dots (CCQDs), was synthesized through a simple method of thermal decomposition of citric acid. The as-prepared CCQDs have excellent scale inhibition performance for CaSO4 and BaSO4. With a static test of scale inhibition at a temperature of 0-80 degrees C, the antiscaling efficiency can reach 100% with low additions of CCQDs.
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