荧光碳点及其水凝胶材料由于其优异性质如生物相容性、发光稳定性等在光电器件、传感器和显示器等领域起到了重要作用。综述了荧光碳点及其荧光水凝胶材料的研究进展。详述了荧光碳点的两类制备方法:自上而下和自下而上制备法;3种碳点基水凝胶:碳点/小分子凝胶剂复合凝胶、碳点/天然高分子复合凝胶和碳点/合成高分子复合凝胶。最后,探讨了该领域亟待解决的问题,并进行了展望。
Carbon dots (CDs) and their fluorescent hydrogels play an important role in the optoelectronic devices,sensors,and displaying field owing to unique properties,including biocompatibility and photoluminescence stability.Advances on study of CDs and their fluorescent hydrogels were summarized.Two kinds of preparation methods,including bottom-up method and top-down method,and three kinds of CDs-based hydrogels,such as CD/nanogel composites,CDs/natural macromolecules composite,CDs/synthetic polymers composite,were discussed in detail.Finally,the perspective of key problem and development of novel fluorescent hydrogels materials was proposed.
[1] Xu X,Ray R,Gu Y,et al.Electrophoretic analysis and purification of fluorescent single-walled carbon nanotube fragments[J].Journal of the American Chemical Society,2004,126 (40):12736-12737.
[2] Sun Y,Zhou B,Lin Y,et al.Quantum-sized carbon dots for bright and colorful photoluminescence[J].Journal of the American Chemical Society,2006,128 (24):7756-7757.
[3] Wang X,Cao L,Yang S T,et al.Bandgap-like strong fluorescence in functionalized carbon nanoparticles[J].Angewandte Chemie,2010,49 (31):5310-5314.
[4] Cao L,Wang X,Meziani M,et al.Carbon dots for multiphoton bioimaging[J].Journal of the American Chemical Society,2007,129 (37):11318-11319.
[5] Zhao Q,Zhang Z,Huang B,et al.Facile preparation of low cytotoxicity fluorescent carbon nanocrystals by electrooxidation of graphite[J].Chemical Communications,2008,41 (41):5116-5118.
[6] Wada A,Tamaru S,Ikeda M,et al.MCM-enzyme-supramolecular hydrogel hybrid as a fluorescence sensing material for polyanions of biological significance[J].Journal of the American Chemical Society,2009,131 (14):5321-5330.
[7] Wang D,Liu T,Yin J,et al.Stimuli-responsive fluorescent poly (N-isopropylacrylamide) microgels labeled with phenylboronic acid moieties as multifunctional ratiometric probes for glucose and temperatures[J].Macromolecules,2011,44 (7):2282-2290.
[8] Hao M,Peng X,Gu J,et al.Self-healable macro-/microscopic shape memory hydrogels based on supramolecular interactions[J].Chemical Communications,2014,50 (82):12277-12280.
[9] Guo W,Lu C,Orbach R,et al.pH-stimulated DNA hydrogels exhibiting shape-memory properties[J].Advanced Materials,2015,27 (1):73-78.
[10] Kim S,Hwang I,Gwon S,et al.Photoregulated optical switching of poly (N-isopropylacrylamide) hydrogel in aqueous solution with covalently attached spironaphthoxazine and D-π-A type pyran-based fluorescent dye[J].Dyes and Pigments,2010,87 (2):158-163.
[11] Bat E,Lin E,Saxer S,et al.Morphing hydrogel patterns by thermo-reversible fluorescence switching[J].Macromolecular Rapid Communication,2014,35 (14):1260-1265.
[12] Generalova A,Sizova S,Zdobnova T,et al.Submicron polymer particles containing fluorescent semiconductor nanocrystals CdSe/ZnS for bioassays[J].Nanomedicine,2011,6 (2):195-209.
[13] Tokuda T,Takahashi M,Uejima K,et al.CMOS image sensor-based implantable glucose sensor using glucose-responsive fluorescent hydrogel[J].Biomedical Optics Express,2014,5 (11):3859-3870.
[14] Li L,Yan B,Yang J,et al.Novel mussel-inspired injectable self-healing hydrogel with anti-biofouling property[J].Advanced Materials,2015,27 (7):1294-1299.
[15] Baker S.Luminescent carbon nanodots:emergent nanolights[J].Angewandte Chemie International Edition,2010,49 (38):6726-6744.
[16] Cao L,Wang X,Meziani M J,et al.Carbon dots for multiphoton bioimaging[J].Journal of the American Chemical Society,2007,129 (37):11318-11319.
[17] Yang S T,Wang X,Wang H,et al.Carbon dots as nontoxic and high-performance fluorescence imaging agents[J].The Journal of Physical Chemistry C,2009,113 (42):18110-18114.
[18] Li H,He X,Kang Z,et al.Water-soluble fluorescent carbon quantum dots and photocatalyst design[J].Angewandte Chemie International Edition,2010,49 (26):4430-4434.
[19] Lu J,Yang J,Wang J,et al.One-pot synthesis of fluorescent carbon nanoribbons,nanoparticles,and graphene by the exfoliation of graphite in ionic liquids[J].ACS Nano,2009,3 (8):2367-2375.
[20] Zheng L,Chi Y,Dong Y,et al.Electrochemiluminescence of water-soluble carbon nanocrystals released electrochemically from graphite[J].Journal of the American Chemical Society,2009,131 (13):4564-4565.
[21] Zhou J,Booker C,Li R,et al.An electrochemical avenue to blue luminescent nanocrystals from multiwalled carbon nanotubes (MWCNTs)[J].Journal of the American Chemical Society,2007,129 (4):744-745.
[22] Zhang B,Liu C,Liu Y.A novel one-step approach to synthesize fluorescent carbon nanoparticles[J].European Journal of Inorganic Chemistry,2010 (28):4411-4414.
[23] Bao L,Zhang Z,Tian Z,et al.Electrochemical tuning of luminescent carbon nanodots:from preparation to luminescence mechanism[J].Advanced Materials,2011,23 (48):5801-5806.
[24] Li H,He X,Kang Z,et al.Water-soluble fluorescent carbon quantum dots and photocatalyst design[J].Angewandte Chemie International Edition,2010,49 (26):4430-4434.
[25] Zhu H,Wang X,Li Y,et al.Microwave synthesis of fluorescent carbon nanoparticles with electrochemiluminescence properties[J].Chemical Communications,2009 (34):5118-5120.
[26] Qu S,Wang X,Lu Q,et al.A biocompatible fluorescent ink based on water'soluble luminescent carbon nanodots[J].Angewandte Chemie International Edition,2012,124 (49):12381-12384.
[27] Liu H,Ye T,Mao C.Fluorescent carbon nanoparticles derived from candle soot[J].Angewandte Chemie International Edition,2007,46 (34):6473-6475.
[28] Zhang B,Liu C,Liu Y.A novel one-step approach to synthesize fluorescent carbon nanoparticles[J].European Journal of Inorganic Chemistry,2010,10 (28):4411-4414.
[29] Dong Y,Pang H,Yang H B,et al.Carbon-based dots co-doped with nitrogen and sulfur for high quantum yield and excitation-independent emission[J].Angewandte Chemie International Edition,2013,52 (30):7800-7804.
[30] Zhu S,Meng Q,Wang L,et al.Highly photoluminescent carbon dots for multicolor patterning,sensors,and bioimaging[J].Angewandte Chemie International Edition,2013,52 (14):3953-3957.
[31] Li F,Liu C,Yang J,et al.Mg/N double doping strategy to fabricate extremely high luminescent carbon dots for bioimaging[J].RSC Advances,2014,4 (7):3201-3205.
[32] Cayuela A,Kennedy S,Soriano M,et al.Fluorescent carbon dot-molecular salt hydrogels[J].Chemical Science,2015,6 (11):6139-6146.
[33] Cayuela A,Soriano M,Kennedy S,et al.Fluorescent carbon quantum dot hydrogels for direct determination of silver ions[J].Talanta,2016,151:100-105.
[34] Konwar A,Gogoi N,Majumdar G,et al.Green chitosan-carbon dots nanocomposite hydrogel film with superior properties[J].Carbohydrate Polymers,2015,115:238-245.
[35] Bhattacharya S,Sarkar R,Nandi S,et al.Detection of reactive oxygen species (ROS) by a carbon-dot-ascorbic acid hydrogel[J].Analytical Chemistry,2016,89 (1):830-836.
[36] Gogoi N,Barooah M,Majumdar G,et al.Carbon dots rooted agarose hydrogel hybrid platform for optical detection and separation of heavy metal ions[J].ACS Applied Materials & Interfaces,2015,7 (5):3058-3067.
[37] Hu M,Gu X,Hu Y,et al.PVA/Carbon dot nanocomposite hydrogels for simple introduction of Ag nanoparticles with enhanced antibacterial activity[J].Macromolecular Materials and Engineering,2016,301 (11):1352-1362.
[38] Hu M,Gu X,Hu Y,et al.Low chemically cross-linked PAM/C-dot hydrogel with robustness and superstretchability in both as-prepared and swelling equilibrium states[J].Macromolecules,2016,49 (8):3174-3183.
[39] Wang J Y,Ma X F,Wei L,et al.Construction of high-strength p (HEMA-co-AA) fluorescent hydrogels based on modified carbon dots as chemically crosslinkers[J].Colloid and Polymer Science,2018,296:745-752.
基金资助
湖北省科技厅自然科学基金(2019CFB825);湖北省教育厅自然科学基金(Q20161010)
PDF
(1214KB)
