As a new 2D material,black phosphorus (BP) has good application prospects in solar cells,photovoltaic appliances,and photothermal therapy.However,the chemical properties of its micro-nano structure are not stable enough,which limits its extensive applications.Quaternized chitosan (QCS) modified BP nanosheets (named as BPNs-QCS) were prepared using ultrasonic-assisted liquid-phase exfoliation technology and electrostatic adsorption method.The microstructure was characterized by transmission electron microscopy (TEM) and nanometer particle size analyzer.The stability of the material was studied by absorption spectroscopy,and the light-to-heat conversion performance before and after QCS modification was studied by photothermal imager.The results showed that the modification of QCS significantly improved the stability of BPNs in aqueous solution without affecting the original microstructure and photothermal properties.
Zhu Chenglong, Deng Xinyu, Wang Lingling, Liu Xiao, Zhang Yi
. Study on preparation and the stability and photothermal property of BPNs-QCS[J]. New Chemical Materials, 2021
, 49(7)
: 85
-88
.
DOI: 10.19817/j.cnki.issn 1006-3536.2021.07.020
[1] Jamieson J C.Crystal structures adopted by black phosphorus at high pressures[J].Science,1963,139(3561):1291-1292.
[2] Li Z,Wu L,Wang H,et al.Synergistic antibacterial activity of black phosphorus nanosheets modified with titanium aminobenzenesulfanato complexes[J].ACS Applied Nano Materials,2019,2,3,1202-1209.
[3] Neto A H C,Guinea F,Peres N M R,et al.The electronic properties of graphene[J].Reviews of Modern Physics,2009,81,109-162.
[4] 袁振洲,刘丹敏,田楠,等.二维黑磷的结构、制备和性能[J].化学学报,2016(6):488-497.
[5] Wang Q H,Kalantar-Zadeh K,Kis A,et al.Electronics and optoelectronics of two-dimensional transition metal dichalcogenides[J].Nature Nanotechnology,2012,7,699-712.
[6] Sun Z Y,Zhang Y Q,Yu H,et al.New solvent-stabilized few-layer black phosphorus for antibacterial applications[J].Nanoscale,2018,10,12543-12553.
[7] Li L,Yu Y,Ye G J,et al.Black phosphorus field-effect transistors[J].Nature.Nanotechnology,2014,9,372-377.
[8] Qiao J,Kong X,Hu Z X,et al.High-mobility transport anisotropy and linear dichroism in few-layer black phosphorus[J].Nature Communications,2014,5,4475.
[9] Mao C,Xiang Y,Liu X,et al.Repeatable photodynamic therapy with triggered signaling pathways of fibroblast cell proliferation and differentiation to promote bacteria-accompanied wound healing[J].ACS Nano,2018,12(2):1747-1759.
[10] Wang H,Yang X,Shao W,et al.Ultrathin black phosphorus nanosheets for efficient singlet oxygen generation[J].Journal of the American Chemical Society,2015,137,11376-11382.
[11] Chen W S,Ouyang J,Liu H,et al.Black phosphorus nanosheet-based drug delivery system for synergistic photodynamic/photothermal/chemotherapy of cancer[J].Advanced Materials,2017,29,1603864.
[12] Tao W,Zhu X,Yu X,et al.Black phosphorus nanosheets as a robust delivery platform for cancer theranostics[J].Advanced Materials,2017,29,1603276.
[13] Yasaei P,Kumar B,Foroozan T,et al.High-quality black phosphorus atomic layers by liquid-phase exfoliation[J].Advanced Materials,2015,27(11):1887-1892.
[14] Shao J,Xie H,Huang H,et al.Biodegradable black phosphorus-based nanospheres for in vivo photothermal cancer therapy[J].Nature Communications,2016,7,12967.
[15] Huang Y,Qiao J,He K,et al.Interaction of black phosphorus with oxygen and water[J].Chemistry of Materials,2016,28,8330-8339.
