Gram-Scale Synthesis of Graphene Quantum Dots

Authored by: Xiluan Wang

21 Century Nanoscience – A Handbook

Print publication date:  December  2019
Online publication date:  November  2019

Print ISBN: 9780815392330
eBook ISBN: 9780367341558
Adobe ISBN:


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Graphene quantum dots (GQD), including carbon quantum dots (CQD), as one class of novel fluorescent carbon nanomaterials, have gained numerous interests owning to its excellent photoluminescence, good biocompatibility, and unique physiochemical structure over conventional toxic semiconductors quantum dots and organic dyes, exhibiting great potentials in the optical, displaying, biological, electrocatalysis, and photoelectric fields. There is a factor that GQDs synthesis with large scale still stays relatively complex, expensive, and low efficient. Large-scale synthesis of GQD by utilizing a facile, green, and low-cost method is highly desirable especially with high-quality and large quantum yield. This chapter summarizes GQDs’ synthesis method based on the “top-down” and “bottom-up” approaches, highlighting the ongoing raw materials strategies of large-scale GQDs synthesis, and also reviews recent emerging novel synthetic methods and remaining challenges.

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