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Issue 6, 2017
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The emerging roles of carbon dots in solar photovoltaics: a critical review

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Abstract

Since their discovery over a decade ago, fluorescent carbon nanodots, or C-dots, have seen a drastic rise in various synthetic approaches as well as widespread applicability across diverse research fields. More recently, carbon nanodots have shown particular promise in a wide range of photovoltaic devices as inexpensive sensitizer candidates and as functional dopants within photoactive materials, electrolytes, and counter electrodes. While still in their infancy, carbon nanodot-incorporated devices already show encouraging enhancements in device performance, although due to current limiting factors such as poor charge collection and photocurrent generation, there is still much room for further discovery and improvement. Herein, we provide a detailed overview of the current state-of-the-art carbon nanodot-incorporated devices (and their limitations) and suggest some paths forward in the hopes of sparking new ideas on how to better synthesize and purify these materials, which will ultimately lead to a more thorough understanding of their properties so that further performance enhancements within carbon nanodot-incorporated solar-energy harvesting systems may be realized.

Graphical abstract: The emerging roles of carbon dots in solar photovoltaics: a critical review

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Publication details

The article was received on 24 Feb 2017, accepted on 29 Mar 2017 and first published on 12 Apr 2017


Article type: Critical Review
DOI: 10.1039/C7EN00179G
Citation: Environ. Sci.: Nano, 2017,4, 1216-1263
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    The emerging roles of carbon dots in solar photovoltaics: a critical review

    J. B. Essner and G. A. Baker, Environ. Sci.: Nano, 2017, 4, 1216
    DOI: 10.1039/C7EN00179G

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