Abstract
Over the past 10 years, carbon dots (CDs) synthesized from renewable raw materials have received considerable attention in several fields for their unique photoluminescent properties. Moreover, the synthesis of CDs fully responds to the principles of circular chemistry and the concept of safe-by-design. This review will focus on the different strategies for incorporation of CDs in organic light-emitting devices (OLEDs) and on the study of the impact of CDs properties on OLED performance. The main current research outcomes and highlights are summarized to guide users towards full exploitation of these materials in optoelectronic applications.
Highlights
This review will focus on the different strategies for incorporation of carbon dots (CDs) in organic light-emitting devices (OLEDs) and on the study of the impact of CDs properties on OLED performance
The electronics and optoelectronics based on organic semiconductors showed, in the last few years, significant growth in many areas dominated by traditional electronics [2]
Application of the principles of green chemistry for development of synthetic sustainable methods for the synthesis of semiconductors is essential to support the development of organic electronics, moving towards increasingly sustainable electronic devices [5]
Summary
They are part of the nanocarbon family, and differently from the best known carbon nanotube [9], they include quasi-spherical nanoparticles with sizes around 10 nm Since their first discovery in 2006, CDs [10,11] have gained everincreasing attention due to their fascinating properties like distinctive optical behavior, tunable emission, different functional groups, good biocompatibility, chemical and photostability, low toxicity, and low-cost production. CDs properties can be changed by controlling their size, shape, and heteroatom doping and by modifying the surfaces, thanks to the quantum confinement effect (QCE) [12] (Figure 1).
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