微波辅助法快速制备荧光碳点并用于指纹识别
|
摘要
论文以柠檬酸作为碳源,水合肼作为氮掺杂的氮源,采用微波辅助法在几分钟内制备固体荧光碳点材料,经离心、过滤对其进行提纯。该制备方法快速,简单,经济环保。结合透射电镜、XRD、XPS、红外、紫外和荧光等分析测试手段对碳点的尺寸、形貌及光学性质进行表征。实验结果表明制备的碳点尺寸分布均匀,具有良好的光稳定性,荧光量子产率约为20.3%。将所制备的固体碳点粉末用于不同基底下的指纹显现和识别中,结果令人满意。
In this manuscript, carbon dots were fabricated through a rapid microwave-assisted method by using citric acid as carbon source and hydrazine hydrate as nitrogen source. The CDs can be obtained within several minutes, and then purified by centrifugation and filtration. The proposed method is simple, facile and cost-efficient. By detailed characterization, the CDs have uniform size distribution, stable fluorescence emission and high quantum yield of 20.3 %. Finally, the CDs were applied to the fingerprint identification with satisfactory results
In this manuscript, carbon dots were fabricated through a rapid microwave-assisted method by using citric acid as carbon source and hydrazine hydrate as nitrogen source. The CDs can be obtained within several minutes, and then purified by centrifugation and filtration. The proposed method is simple, facile and cost-efficient. By detailed characterization, the CDs have uniform size distribution, stable fluorescence emission and high quantum yield of 20.3 %. Finally, the CDs were applied to the fingerprint identification with satisfactory results
引文
[1]Wang W,Lei X,Ye Z,et al.The luminescent properties and latent fingerprint identification application of AlN:Ce,Tb phosphors[J].J Alloy Compd,2017,705:253-261.
[2]Ran X,Wang Z,Zhang Z,et al.Nucleic-acid-programmed Ag-nanoclusters as a generic platform for visualization of latent fingerprints and exogenous substances[J].Chem Common,2016,52:557-560.
[3]Chen X,Xu W,Zhang L,et al.Large upconversion enhancement in the“islands”Au-Ag alloy/NaYF4:Yb3+,Tm3+/Er3+composite films,and fingerprint identification[J].Adv Funct Mater,2015,25:5462-5471.
[4]Cadd S,Li B,Beveridge P,et al.A comparison of visible wavelength reflectance hyperspectral imaging and Acid Black 1 for the detection and identification of blood stained fingerprints[J].Sci Justice,2016,56:247-255.
[5]Yang Y,Liu X,Lu Y,et al.Visualization of latent fingerprints using a simple“silver imaging ink”[J].Anal Methods,2016,8:6293-6297.
[6]Wang M.Latent fingermarks light up:facile development of latent fingermarks using NIR-responsive upconversion fluorescent nanocrystals[J].RSC Adv,2016,6:36264-36268.
[7]Wang K,Yang Z,Li X.High excimer-state emission of perylene bisimides and recognition of latent fingerprints[J].Chem Eur J,2015,21:5680-5684.
[8]Yoon J,Jin Y,Sakaguchi T,et al.Visualization of sweat fingerprints on various surfaces using a conjugated polyelectrolyte[J].ACS Appl Mater Inter,2016,8:24025-24029.
[9]Chen J,Wei J,Zhang P,et al.Red-emissive carbon dots for fingerprints detection by spray method:coffee ring effect and unquenched fluorescence in drying process[J].ACS Appl Mater Inter,2017,9:18429-18433.
[10]Ding H,Yu S,Wei J,et al.Full-color light-emitting carbon dots with a surface-state-controlled luminescence mechanism[J].ACS Nano,2016,10:484-491.
[11]Wang C,Xu Z,Cheng H,et al.A hydrothermal route to water-stable luminescent carbon dots as nanosensors for pH and temperature[J].Carbon,2015,82:87-95.
[12]Hu L,Sun Y,Li S,et al.Multifunctional carbon dots with high quantum yield for imaging and gene delivery[J].Carbon,2014,67:508-513.
[13]Hou J,Wang L,Zhang P,et al.Facile synthesis of carbon dots in an immiscible system with excitation-independent emission and thermally activated delayed fluorescence[J].Chem.Commun,2015,51:17768-17771.
[14]Zuo P,Lu X,Sun Z,et al.A review on syntheses,properties,characterization and bioanalytical applications of fluorescent carbon dots[J].Microchim Acta,2016,183:519-542.
[15]Xu Z,Wang C,Jiang K,et al.Microwave-assisted rapid synthesis of amphibious yellow fluorescent carbon dots as a colorimetric nanosensor for Cr(VI)[J].Part Part Syst Charact,2015,32:1058-1062.
[16]Hou J,Yan J,Zhao Q,et al.A novel one-pot route for large-scale preparation of highly photoluminescent carbon quantum dots powders[J].Nanoscale,2013,5:9558-9561.
[17]Jiang K,Sun S,Zhang L,et al.Bright-yellow-emissive N-doped carbon dots:preparation,cellular imaging,and bifunctional sensing[J].ACS Appl Mater Inter,2015,7:23231-23238.
[18]Kong W,Wu H,Ye Z,et al.Optical properties of pH-sensitive carbon-dots with different modifications[J].J.Lumin,2014,148:238-242.
[19]Zhu S,Song Y,Zhao X,et al.The photoluminescence mechanism in carbon dots(graphene quantum dots,carbon nanodots,and polymer dots):current state and future perspective[J].Nano Res,2015,8:355-381.
[20]Wen X,Yu P,Toh Y R,et al.On the upconversion fluorescence in carbon nanodots and graphene quantum dots[J].Chem Common,2014,50:4703-4706.
[21]Yin B,Deng J,Peng X,et al.Green synthesis of carbon dots with down-and up-conversion fluorescent properties for sensitive detection of hypochlorite with a dual-readout assay[J].Analyst,2013,138:6551-6557.
[22]Lin Z,Xue W,Chen H,et al.Peroxynitrous-acid-induced chemiluminescence of fluorescent carbon dots for nitrite sensing[J].Anal Chem,2011,83:8245-8251.
[2]Ran X,Wang Z,Zhang Z,et al.Nucleic-acid-programmed Ag-nanoclusters as a generic platform for visualization of latent fingerprints and exogenous substances[J].Chem Common,2016,52:557-560.
[3]Chen X,Xu W,Zhang L,et al.Large upconversion enhancement in the“islands”Au-Ag alloy/NaYF4:Yb3+,Tm3+/Er3+composite films,and fingerprint identification[J].Adv Funct Mater,2015,25:5462-5471.
[4]Cadd S,Li B,Beveridge P,et al.A comparison of visible wavelength reflectance hyperspectral imaging and Acid Black 1 for the detection and identification of blood stained fingerprints[J].Sci Justice,2016,56:247-255.
[5]Yang Y,Liu X,Lu Y,et al.Visualization of latent fingerprints using a simple“silver imaging ink”[J].Anal Methods,2016,8:6293-6297.
[6]Wang M.Latent fingermarks light up:facile development of latent fingermarks using NIR-responsive upconversion fluorescent nanocrystals[J].RSC Adv,2016,6:36264-36268.
[7]Wang K,Yang Z,Li X.High excimer-state emission of perylene bisimides and recognition of latent fingerprints[J].Chem Eur J,2015,21:5680-5684.
[8]Yoon J,Jin Y,Sakaguchi T,et al.Visualization of sweat fingerprints on various surfaces using a conjugated polyelectrolyte[J].ACS Appl Mater Inter,2016,8:24025-24029.
[9]Chen J,Wei J,Zhang P,et al.Red-emissive carbon dots for fingerprints detection by spray method:coffee ring effect and unquenched fluorescence in drying process[J].ACS Appl Mater Inter,2017,9:18429-18433.
[10]Ding H,Yu S,Wei J,et al.Full-color light-emitting carbon dots with a surface-state-controlled luminescence mechanism[J].ACS Nano,2016,10:484-491.
[11]Wang C,Xu Z,Cheng H,et al.A hydrothermal route to water-stable luminescent carbon dots as nanosensors for pH and temperature[J].Carbon,2015,82:87-95.
[12]Hu L,Sun Y,Li S,et al.Multifunctional carbon dots with high quantum yield for imaging and gene delivery[J].Carbon,2014,67:508-513.
[13]Hou J,Wang L,Zhang P,et al.Facile synthesis of carbon dots in an immiscible system with excitation-independent emission and thermally activated delayed fluorescence[J].Chem.Commun,2015,51:17768-17771.
[14]Zuo P,Lu X,Sun Z,et al.A review on syntheses,properties,characterization and bioanalytical applications of fluorescent carbon dots[J].Microchim Acta,2016,183:519-542.
[15]Xu Z,Wang C,Jiang K,et al.Microwave-assisted rapid synthesis of amphibious yellow fluorescent carbon dots as a colorimetric nanosensor for Cr(VI)[J].Part Part Syst Charact,2015,32:1058-1062.
[16]Hou J,Yan J,Zhao Q,et al.A novel one-pot route for large-scale preparation of highly photoluminescent carbon quantum dots powders[J].Nanoscale,2013,5:9558-9561.
[17]Jiang K,Sun S,Zhang L,et al.Bright-yellow-emissive N-doped carbon dots:preparation,cellular imaging,and bifunctional sensing[J].ACS Appl Mater Inter,2015,7:23231-23238.
[18]Kong W,Wu H,Ye Z,et al.Optical properties of pH-sensitive carbon-dots with different modifications[J].J.Lumin,2014,148:238-242.
[19]Zhu S,Song Y,Zhao X,et al.The photoluminescence mechanism in carbon dots(graphene quantum dots,carbon nanodots,and polymer dots):current state and future perspective[J].Nano Res,2015,8:355-381.
[20]Wen X,Yu P,Toh Y R,et al.On the upconversion fluorescence in carbon nanodots and graphene quantum dots[J].Chem Common,2014,50:4703-4706.
[21]Yin B,Deng J,Peng X,et al.Green synthesis of carbon dots with down-and up-conversion fluorescent properties for sensitive detection of hypochlorite with a dual-readout assay[J].Analyst,2013,138:6551-6557.
[22]Lin Z,Xue W,Chen H,et al.Peroxynitrous-acid-induced chemiluminescence of fluorescent carbon dots for nitrite sensing[J].Anal Chem,2011,83:8245-8251.