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Issue 44, 2013
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Preparation and optical properties of phthalocyanine–carbon dot blends

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Abstract

To develop better light-capturing nanostructures, we plan to connect an excellent light-harvesting molecule with rich redox chemistry (phthalocyanine, Pc) to a fascinating luminescent material (carbon dots, CDs). Firstly, CDs with diameters of 3.0–5.5 nm were synthesized using a chemical oxidation, and were then blended with Pc phosphoric acid solution under ultrasonication. UV-vis and infrared spectroscopy were used to determine the interactions between CDs and phthalocyanine. The photoluminescent behavior of the blends depends on the proportion of CDs and phthalocyanine used. This can be attributed to the formation of two different structures; sandwich and plum pudding. The Pc–carbon dot blends exhibit broader UV-vis absorption and better visible light emission. Therefore, these findings pave the way for the development of new antenna systems that can capture solar light.

Graphical abstract: Preparation and optical properties of phthalocyanine–carbon dot blends

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Publication details

The article was received on 28 Apr 2013, accepted on 23 Aug 2013 and first published on 27 Aug 2013


Article type: Paper
DOI: 10.1039/C3RA42090F
Citation: RSC Adv., 2013,3, 21447-21452
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    Preparation and optical properties of phthalocyanine–carbon dot blends

    S. Hu, R. Tian, Y. Dong, J. Yang, J. Liu and S. Cao, RSC Adv., 2013, 3, 21447
    DOI: 10.1039/C3RA42090F

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