Carbon dot/polymer nanocomposites: From green synthesis to energy, environmental and biomedical applications

Feng, Zhipeng; Adolfsson, Karin H.; Xu, Yanan; Fang, Haiqiu; Hakkarainen, Minna; Wu, Mingbo

doi:10.1016/j.susmat.2021.e00304

Cited by 79 publications

(55 citation statements)

References 228 publications

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“…Esterification [ 220 ], etherification epoxidation [ 221 ], methacrylation/acrylation [ 222 ], and acylation are among the abundant functional groups on the GQD surface that allow for chemical modifications to form covalent bonds with polymers due to the covalent bonds between polymer chains and GQDs. The chemical grafting of GQDs to the polymer matrix is superior to the physical blending approach in terms of promoting mechanical strength and maintaining properties over time [ 223 , 224 , 225 , 226 , 227 ].…”

Section: Polymerizationmentioning

confidence: 99%

Bioactive Graphene Quantum Dots Based Polymer Composite for Biomedical Applications

et al. 2022

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Today, nanomedicine seeks to develop new polymer composites to overcome current problems in diagnosing and treating common diseases, especially cancer. To achieve this goal, research on polymer composites has expanded so that, in recent years, interdisciplinary collaborations between scientists have been expanding day by day. The synthesis and applications of bioactive GQD-based polymer composites have been investigated in medicine and biomedicine. Bioactive GQD-based polymer composites have a special role as drug delivery carriers. Bioactive GQDs are one of the newcomers to the list of carbon-based nanomaterials. In addition, the antibacterial and anti-diabetic potentials of bioactive GQDs are already known. Due to their highly specific surface properties, π-π aggregation, and hydrophobic interactions, bioactive GQD-based polymer composites have a high drug loading capacity, and, in case of proper correction, can be used as an excellent option for the release of anticancer drugs, gene carriers, biosensors, bioimaging, antibacterial applications, cell culture, and tissue engineering. In this paper, we summarize recent advances in using bioactive GQD-based polymer composites in drug delivery, gene delivery, thermal therapy, thermodynamic therapy, bioimaging, tissue engineering, bioactive GQD synthesis, and GQD green resuscitation, in addition to examining GQD-based polymer composites.

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Section: Polymerizationmentioning

confidence: 99%

Bioactive Graphene Quantum Dots Based Polymer Composite for Biomedical Applications

et al. 2022

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“…Fortunately, it has been found that the AIQ effect of CDs can be effectively avoided by compounding CDs with polymer matrixes. 21 , 22 Typically, De et al incorporated CDs in the epoxy resin formation process to prepare a high-efficiency photoluminescent epoxy/CD nanocomposite. 23 …”

Section: Introductionmentioning

confidence: 99%

Recyclable, UV-Blocking, and Radiative Cooling Multifunctional Composite Membranes

et al. 2022

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It is well known that UV radiation can cause human health problems and that energy consumption can lead to human survival problems. Here, we prepared a composite membrane that can block UV radiation as well as reduce energy consumption. Carbon dots (CDs) and acrylates were prepared from xylose and epoxidized soybean oil as biomass feedstocks, respectively, and the composite membrane was prepared by a self-assembly strategy. The first layer of the membrane is composed of CDs and epoxy resin. Its main function is not only to weaken UV rays and the aggregation-induced quenching effect of CDs but also to reduce the absorption of UV rays by the second layer of the membrane. The second layer consists of barium sulfate (BaSO 4 ) and acrylate. Compared to TiO 2 (3.2 eV), BaSO 4 (∼6 eV) has a higher electronic band gap, which reduces the absorption of UV light by the membrane. The composite membrane exhibits excellent UV-blocking and radiative cooling performance, shielding 99% of UV rays. In addition, the membrane can reduce 4.4 °C in radiative cooling tests, achieving a good cooling effect. Finally, the recyclability of the BaSO 4 /acrylate membrane is discussed, and 95% recovery rate provides sustainable utilization of the membrane. The composite membrane is expected to be popularized and used in low latitudes and areas with high temperature and high UV radiation near the equator.

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“…Feng et al [13] have recently reviewed CQDs/polymer composites for energy, environmental and biomedical applications. In energy applications, conducting polymers have been adopted, such as polypyrrole or polyaniline.…”

Section: Introductionmentioning

confidence: 99%

Photoluminescence properties of silk–carbon quantum dots composites

Colusso

Cicerchia

Rigon

et al. 2022

J Sol-Gel Sci Technol

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In this paper, we report silk fibroin (SF) and carbon quantum dots (CQDs) nanocomposites obtained through a facile solution casting approach. The optical properties of the nanocomposites have been characterised by UV–vis absorption and photoluminescence spectroscopy. Crosslinking of SF and chemical interactions with the CQDs have been investigated by FTIR spectroscopy. In addition, water stability and degradability of the prepared composites have been investigated in terms of mass loss, important for applications in a real scenario. We observed that for a concentration of CQDs above 1%wt aggregation of nanoparticles occurs, affecting the photoluminescence of the material. The results show that the best composition in terms of photoluminescence intensity and water stability is 0.5%wt CQDs.

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Carbon dot/polymer nanocomposites: From green synthesis to energy, environmental and biomedical applications

Cited by 79 publications

References 228 publications

Bioactive Graphene Quantum Dots Based Polymer Composite for Biomedical Applications

Bioactive Graphene Quantum Dots Based Polymer Composite for Biomedical Applications

Recyclable, UV-Blocking, and Radiative Cooling Multifunctional Composite Membranes

Photoluminescence properties of silk–carbon quantum dots composites

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