@article {46404,
	title = {Large scale synthesis of graphene quantum dots (GQDs) from waste biomass and their use as an efficient and selective photoluminescence on-off-on probe for Ag+ ions},
	journal = {Nanoscale},
	volume = {6},
	year = {2014},
	month = {MAR},
	pages = {11664-11670},
	type = {Article},
	abstract = {<p>Graphene quantum dots (GQDs) are synthesized from bio-waste and are further modified to produce amine-terminated GQDs (Am-GQDs) which have higher dispersibility and photoluminescence intensity than those of GQDs. A strong fluorescence quenching of Am-GQDs (switch-off) is observed for a number of metal ions, but only for the Ag+ ions is the original fluorescence regenerated (switch-on) upon addition of L-cysteine.</p>
},
	issn = {2040-3364},
	doi = {10.1039/c4nr02494j},
	author = {Suryawanshi, Anil and Biswal, Mandakini and Mhamane, Dattakumar and Gokhale, Rohan and Patil, Shankar and Guin, Debanjan and Ogale, Satishchandra}
}
