High-capacity adsorbent/sensor from nylon 6 derived carbon dots on SiO2 substrate via one-step surface grafting

• Published in: Materials science & engineering. B, Solid-state materials for advanced technology Vol. 262; p. 114692
• Main Authors: Thongsai, Nichaphat, Supchocksoonthorn, Preeyanuch, Dwyer, Jonathan H., Wei, Wei, Sun, Jian, Gopalan, Padma, Paoprasert, Peerasak
• Format: Journal Article
• Language: English
• Published: Lausanne Elsevier B.V 01.12.2020; Elsevier BV
• Subjects: Adsorption; Annealing; Cadmium; Carbon dots; Copper; Grafting; Nanoparticles; Nylon 6; Photoluminescence; Ring opening; Selective adsorption; Silicon dioxide; SiO2 substrate; Substrates; Surface chemistry; Thermal annealing; Nylon 6; SiO2 substrate; Carbon dots; Thermal annealing; Grafting

[Display omitted] •CDs was for the first time grafted on SiO2 substrate via thermal annealing.•CD-grafted substrate could be used for sensing and as adsorbent simultaneously.•The presence of carboxyl, amino, and hydroxyl groups in CDs was confirmed.•High adsorption of Cu2+ with a density of 2.4×10−5...