2017
DOI: 10.1021/acssuschemeng.6b01893
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Abstract: We report a simple one-pot microwave-assisted green-synthesis route for the fabrication of bright red-luminescent graphene quantum dots (GQDs) using ethanolic extracts of Mangifera indica (mango) leaves, hence addressing them as mGQDs. The mGQDs were quantum-sized ranging from 2 to 8 nm and exhibited excitation-independent fluorescence emission in the near-infrared (NIR) region between 650 and 750 nm. The mGQDs showed defects in their structure and were highly crystalline in nature as confirmed by Raman spectr… Show more

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Cited by 273 publications
(225 citation statements)
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References 65 publications
(102 reference statements)
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“…[25] However,m ost organic molecules are stille xpensive and pose challenges to the natural environmenta nd humanh ealth:f or instance, polycyclic aromatic hydrocarbons are strong carcinogens, and thus searching for low-cost and environmentally friendly molecule precursors could boost their abundant applications. [28,29] In accordance with the precepts of sustainability,e fforts have been made to utilize sustainable biomass precursors or their extractives, such as Mangifera indica, [30] starch, [31] citric acid, [32] soy milk, [33] sucrose, [28] and others. Unfortunately,f ew biomass wastes can produce highquality CQDs.T herefore, there is an urgent need to develop Sustainable, inexpensive, and environmentally friendly biomass waste can be exploitedf or large-scale production of carbon nanomaterials.…”
Section: Introductionmentioning
confidence: 99%
“…[25] However,m ost organic molecules are stille xpensive and pose challenges to the natural environmenta nd humanh ealth:f or instance, polycyclic aromatic hydrocarbons are strong carcinogens, and thus searching for low-cost and environmentally friendly molecule precursors could boost their abundant applications. [28,29] In accordance with the precepts of sustainability,e fforts have been made to utilize sustainable biomass precursors or their extractives, such as Mangifera indica, [30] starch, [31] citric acid, [32] soy milk, [33] sucrose, [28] and others. Unfortunately,f ew biomass wastes can produce highquality CQDs.T herefore, there is an urgent need to develop Sustainable, inexpensive, and environmentally friendly biomass waste can be exploitedf or large-scale production of carbon nanomaterials.…”
Section: Introductionmentioning
confidence: 99%
“…Moreover, the GQDs internalization did not affect cell viability, proliferation, metabolism, and differentiation. Kumawat and co‐workers synthesized red‐luminescent GQDs via microwave‐assisted method using ethanolic extracts of Mangifera indica (mango) leaves . The as‐prepared GQDs (mGQDs) were demonstrated to be efficient NIR‐responsive fluorescent probes in bioimaging, which can be selectively self‐localized in the cell cytoplasm ( Figure ).…”
Section: Application In Bioimaging In Vitromentioning
confidence: 99%
“…i,j) Cellular uptake was performed using flow cytometry showing 100% cell uptake as compared to untreated control cells. Reproduced with permission . Copyright 2017, American Chemical Society.…”
Section: Application In Bioimaging In Vitromentioning
confidence: 99%
“…As the industrial production requires one step product, and the partial reduction of graphene oxide occurs by compromising the quality of graphene, this process is not highly successful. Besides, other routes to graphene fabrication have been developed, comprising the polymerizations, condensations of organic reactions as well as biosynthesis, but the yield and purity of the product is quite disruptive …”
Section: Introductionmentioning
confidence: 99%
“…Besides, other routes to graphene fabrication have been developed, comprising the polymerizations, condensations of organic reactions as well as biosynthesis, but the yield and purity of the product is quite disruptive. [35][36][37][38][39][40][41] As traditional knowledge conveys that mixing of water and graphite is largely obstructed due to the hydrogen bonding in water; hence dispersion is possible only by lowering the surface tension of water by a surfactant. In certain cases, surfactant free dispersions occur if a salt of graphite being produced.…”
Section: Introductionmentioning
confidence: 99%