Issue 88, 2016, Issue in Progress

White light emission by controlled mixing of carbon dots and rhodamine B for applications in optical thermometry and selective Fe3+ detection

Abstract

A simple mixing of rhodamine B with fluorescent carbon dots in water led to aggregation of the dye molecules on the carbon dot surface. Controlling the emission of free rhodamine B dye with that of the resultant carbon dot-aggregated rhodamine B composite resulted in efficient white light emission with the CIE coordinate (0.33, 0.32). The white light emitting system can be incorporated into a gel or polymer matrix for solid-state processibility. Further, selective sensing of Fe3+ ions as well as reversible and thermo-responsive emission in the temperature range of 25–80 °C in water shows the versatility in application potential of the nanocomposite.

Graphical abstract: White light emission by controlled mixing of carbon dots and rhodamine B for applications in optical thermometry and selective Fe3+ detection

Supplementary files

Article information

Article type
Communication
Submitted
06 Jul 2016
Accepted
31 Aug 2016
First published
01 Sep 2016

RSC Adv., 2016,6, 84599-84603

White light emission by controlled mixing of carbon dots and rhodamine B for applications in optical thermometry and selective Fe3+ detection

S. Mandani, B. Sharma, D. Dey and T. K. Sarma, RSC Adv., 2016, 6, 84599 DOI: 10.1039/C6RA17306C

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