Stimulus-Responsiveness of Thermo-Sensitive Polymer Hybridized with N-Doped Carbon Quantum Dots and Its Applications in Solvent Recognition and Fe3+ Ion Detection
Abstract
:1. Introduction
2. Experimental
2.1. Materials
2.2. Synthesis of N-CQDs
2.3. Synthesis of the Thermo-Sensitive Poly(NIPAAm-co-AAc) Copolymers
2.4. Preparation of N-CQDs Hybrid Thermo-Sensitive Copolymers (Poly-N-CQDs)
2.5. Characterization
2.5.1. Fourier Transform Infrared Spectroscopy (FT IR)
2.5.2. Gel Permeation Chromatography (GPC)
2.5.3. Particle Size Distribution (PSD)
2.5.4. Transmittance Measurement
2.5.5. Transmission Electron Microscopy (TEM)
2.5.6. Fluorescence Spectrum
3. Results and Discussion
3.1. The Structure and Morphology of N-CQDs, Poly(NIPAAm-co-AAc) and Poly-N-CQDs
3.2. The Thermo-Sensitivity and Optical Properties of Poly-N-CQDs
3.3. The Dependency of the Fluorescence Intensity on the pH
3.4. The Poly-N-CQDs in Different Solvents for Solvent Recognition
3.5. The Poly-N-CQDs as Fluorescence Probe for Fe3+ Ion Detection
4. Conclusions
Supplementary Materials
Author Contributions
Funding
Data Availability Statement
Conflicts of Interest
References
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Chen, T.; Zhang, H.; Zhao, S. Stimulus-Responsiveness of Thermo-Sensitive Polymer Hybridized with N-Doped Carbon Quantum Dots and Its Applications in Solvent Recognition and Fe3+ Ion Detection. Polymers 2022, 14, 1970. https://doi.org/10.3390/polym14101970
Chen T, Zhang H, Zhao S. Stimulus-Responsiveness of Thermo-Sensitive Polymer Hybridized with N-Doped Carbon Quantum Dots and Its Applications in Solvent Recognition and Fe3+ Ion Detection. Polymers. 2022; 14(10):1970. https://doi.org/10.3390/polym14101970
Chicago/Turabian StyleChen, Tong, Hongwei Zhang, and Sanping Zhao. 2022. "Stimulus-Responsiveness of Thermo-Sensitive Polymer Hybridized with N-Doped Carbon Quantum Dots and Its Applications in Solvent Recognition and Fe3+ Ion Detection" Polymers 14, no. 10: 1970. https://doi.org/10.3390/polym14101970