Fluorescent “on–off–on” sensor based on N,S co-doped carbon dots from seaweed (<i>Sargassum carpophyllum</i>) for specific detection of Cr(<scp>vi</scp>) and ascorbic acid
Hua Tian, Guangxu Ju, Mengting Li, Wenzhe Fu, Yong-Cheng Dai, Zhenyi Liang, Yuheng Qiu, Ziyu Qin, Xueqiong Yin
Abstract
A low-temperature carbonization method using seaweed ( Sargassum carpophyllum ) as a precursor was applied to prepare nitrogen and sulfur co-doped CDs (N,S-CDs).
Topics & Concepts
Ascorbic acidFluorescenceSargassumChemistryCarbon fibersAlgaeFood scienceBotanyMaterials scienceBiologyPhysicsComposite materialQuantum mechanicsComposite numberCarbon and Quantum Dots ApplicationsMercury impact and mitigation studiesAdvanced Nanomaterials in Catalysis