Recent Progress in Graphene/Polymer Nanocomposites

Sun, Xiaomeng; Huang, Chuanjin; Wang, Lidong; Liu, Liang; Cheng, Yuanjing; Fei, Weidong; Li, Yibin

doi:10.1002/adma.202001105

Cited by 228 publications

(119 citation statements)

References 261 publications

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“…Furthermore, among organic NPs, graphene is considered to be one of the most promising for the reinforcement of polymeric matrices [ 34 , 35 ]. In fact, its chemical structure is based on carbon–carbon bonds, which provide stiffness, high thermal conductivity and remarkable mechanical properties [ 36 ].…”

Section: Introductionmentioning

confidence: 99%

PLA Electrospun Fibers Reinforced with Organic and Inorganic Nanoparticles: A Comparative Study

et al. 2021

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In this work, different poly (lactic acid) (PLA)-based nanocomposite electrospun fibers, reinforced with both organic and inorganic nanoparticles, were obtained. As organic fibers, cellulose nanocrystals, CNC, both neat and functionalized by “grafting from” reaction, chitosan and graphene were used; meanwhile, hydroxyapatite and silver nanoparticles were used as inorganic fibers. All of the nanoparticles were added at 1 wt% with respect to the PLA matrix in order to be able to compare their effect. The main aim of this work was to study the morphological, thermal and mechanical properties of the different systems, looking for differences between the effects of the addition of organic or inorganic nanoparticles. No differences were found in either the glass transition temperature or the melting temperature between the different electrospun systems. However, systems reinforced with both neat and functionalized CNC exhibited an enhanced degree of crystallinity of the electrospun fibers, by up to 12.3%. From a mechanical point of view, both organic and inorganic nanoparticles exhibited a decreased elastic modulus and tensile strength in comparison to neat electrospun PLA fibers, improving their elongation at break. Furthermore, all of the organic and inorganic reinforced systems disintegrated under composting conditions after 35 days.

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Section: Introductionmentioning

confidence: 99%

PLA Electrospun Fibers Reinforced with Organic and Inorganic Nanoparticles: A Comparative Study

et al. 2021

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“…Taking advantage of the huge conjugated π-systems, high specific surface area, and useful functionality, graphene platforms can be used as novel nanocarriers for different therapeutic agents. [95][96][97][98] Incorporation of polymeric systems into the graphene structure allows tailoring these platforms into new multifunctional systems to deliver a variety of moieties such as therapeutic, targeting, and diagnostic agents. 97,99 Non-covalent and covalent functionalization are two major strategies for the modification of graphene and its derivatives.…”

Section: Graphene-polymer Platforms; Synthesis and Physicochemical Propertiesmentioning

confidence: 99%

Functionalized Graphene Platforms for Anticancer Drug Delivery

Sattari¹,

Adeli²,

Beyranvand³

et al. 2021

IJN

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Two-dimensional nanomaterials are emerging as promising candidates for a wide range of biomedical applications including tissue engineering, biosensing, pathogen incapacitation, wound healing, and gene and drug delivery. Graphene, due to its high surface area, photothermal property, high loading capacity, and efficient cellular uptake, is at the forefront of these materials and plays a key role in this multidisciplinary research field. Poor water dispersibility and low functionality of graphene, however, hamper its hybridization into new nanostructures for future nanomedicine. Functionalization of graphene, either by covalent or non-covalent methods, is the most useful strategy to improve its dispersion in water and functionality as well as processability into new materials and devices. In this review, recent advances in functionalization of graphene derivatives by different (macro)molecules for future biomedical applications are reported and explained. In particular, hydrophilic functionalization of graphene and graphene oxide (GO) to improve their water dispersibility and physicochemical properties is discussed. We have focused on the anticancer drug delivery of polyfunctional graphene sheets.

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“…(1) High NIR absorption and photothermal property. The highly conjugated carbon structure can effectively absorb 808 nm laser and converts it into heat to achieve PTT with low doses [19][20][21]. (2) New magnetic resonance imaging (MRI) contrasting agents and high lipophilicity [58,59].…”

Section: Introductionmentioning

confidence: 99%