Journal
SCIENTIFIC REPORTS
Volume 9, Issue -, Pages -Publisher
NATURE PORTFOLIO
DOI: 10.1038/s41598-018-37479-6
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Funding
- Korea Institute of Industrial Technology (KITECH) [EE180004]
- Human Resources Program in Energy Technology of the Korea Institute of Energy Technology Evaluation and Planning (KETEP), from the Ministry of Trade, Industry AMP
- Energy, Republic of Korea [20174010201240]
- Korea Institute of Industrial Technology as Development of Additively Manufacturing Process Technology of Ni-based Superalloys for Ultra-high Efficiency Power Plants [KITECH EO-18-0021]
- Korea Evaluation Institute of Industrial Technology (KEIT) [20194010201890] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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Graphene oxide quantum dots (GOQDs) are usually prepared using expensive carbon precursors such as carbon nanotubes (CNT) or graphene under the strong acidic condition, which requires an additional purifying process. Here, we first develop a facile pulsed laser ablation in liquid (PLAL) technique for preparing GOQDs using earth-abundant and low-cost coal as a precursor. Only ethanol and coal are used to produce GOQDs with excellent optical properties. The prepared GOQDs exhibit excellent optoelectronic properties which can be successfully utilized in bioimaging applications.
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