2012
DOI: 10.1021/nl302520m
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Abstract: Graphene dots precisely controlled in size are interesting in nanoelectronics due to their quantum optical and electrical properties. However, most graphene quantum dot (GQD) research so far has been performed based on flaketype graphene reduced from graphene oxides. Consequently, it is extremely difficult to isolate the size effect of GQDs from the measured optical properties. Here, we report the sizecontrolled fabrication of uniform GQDs using self-assembled block copolymer (BCP) as an etch mask on graphene … Show more

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Cited by 186 publications
(106 citation statements)
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“…[30][31][32][33][34][35][36][37][38][39] Herein, GQDs were synthesized by chemical oxidation of pitch graphite fibers. 37 Microstructure characterizations of the GQDs are summarized in Fig.…”
Section: Resultsmentioning
confidence: 99%
“…[30][31][32][33][34][35][36][37][38][39] Herein, GQDs were synthesized by chemical oxidation of pitch graphite fibers. 37 Microstructure characterizations of the GQDs are summarized in Fig.…”
Section: Resultsmentioning
confidence: 99%
“…The method exhibited a very high level of precision. Lee et al reported on the size-controlled fabrication of uniform GQDs using self-assembled block copolymers as an etch mask on graphene films grown by chemical vapor deposition [84]. It allowed a uniform size distribution of the obtained CDs.…”
Section: Other Methodsmentioning
confidence: 99%
“…Chemical acid oxidation [41,46,47], the electrochemical approach [38,48,49], the hydrothermal or solvothermal cutting method [50][51][52] and the physical method [53,54] are employed to synthesize GQDs.…”
Section: Top-down Methodsmentioning
confidence: 99%