氢氧化铝的太赫兹特征峰及其增强技术
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摘要
利用太赫兹时域光谱技术测量了氧化铝和氢氧化铝样品在0.5～1.5THz范围内的太赫兹时域电场信号。对测量得到的时域信号进行了傅里叶变换,得到了样品信号与参考信号频域的振幅和相位信息。对比参考信号的频域谱发现,氢氧化铝在1.20THz和1.33THz处有明显的特征峰,而氧化铝与参考信号频域谱的特征峰相同。通过对石墨烯与氢氧化铝进行一定比例的掺杂,利用石墨烯表面等离激元的近场增强效应,增强了分子内羟基的共振伸缩,实现了对氢氧化铝特征峰的增强调控。这项研究不仅可以对氢氧化铝进行无损检测和有效识别,也可以利用石墨烯增加氢氧化铝的检测灵敏度,对进一步利用太赫兹时域光谱技术研究其他氢氧化物的光谱信息具有借鉴意义。
We measured the terahertz time-domain electric fields of alumina and aluminum hydroxide samples in the range of 0.5-1.5 THz using terahertz time-domain spectroscopy.The frequency-domain spectra of sample and reference signals containing the amplitude and phase information were obtained by the fast Fourier transform of the measured time-domain signals.Compared with the frequency-domain spectrum of a reference signal,one can find that the aluminum hydroxide sample has obvious characteristic peaks at 1.20 THz and 1.33 THz;however,the alumina samples have the same characteristic peaks as the reference signal.The near-field enhancement via the surface plasmon polaritons of graphene was used to enhance resonant stretching of the hydroxyl groups in a molecule by doping a certain proportion of graphene and aluminum hydroxide,and thereby the enhanced regulation of characteristic peaks of aluminum hydroxide is achieved.This study not only offers effective nondestructive test and identification of aluminum hydroxide,but also increases the detection sensitivity of aluminum hydroxide using graphene.Moreover,it has reference significance for further study of spectral information for other hydroxides using terahertz time-domain spectroscopy.
We measured the terahertz time-domain electric fields of alumina and aluminum hydroxide samples in the range of 0.5-1.5 THz using terahertz time-domain spectroscopy.The frequency-domain spectra of sample and reference signals containing the amplitude and phase information were obtained by the fast Fourier transform of the measured time-domain signals.Compared with the frequency-domain spectrum of a reference signal,one can find that the aluminum hydroxide sample has obvious characteristic peaks at 1.20 THz and 1.33 THz;however,the alumina samples have the same characteristic peaks as the reference signal.The near-field enhancement via the surface plasmon polaritons of graphene was used to enhance resonant stretching of the hydroxyl groups in a molecule by doping a certain proportion of graphene and aluminum hydroxide,and thereby the enhanced regulation of characteristic peaks of aluminum hydroxide is achieved.This study not only offers effective nondestructive test and identification of aluminum hydroxide,but also increases the detection sensitivity of aluminum hydroxide using graphene.Moreover,it has reference significance for further study of spectral information for other hydroxides using terahertz time-domain spectroscopy.
引文
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[15] Huang D, Nan H, Wu H. Flame retardancy property and application of Al(OH)3[J].Development and Application of Materials,2004,19(3):33-37.黄东,南海,吴鹤.氢氧化铝的阻燃性质与应用研究[J].材料开发与应用,2004,19(3):33-37.
[16] Liu L,Wang J L.Study on preparation of aluminum magnesium hydroxide composite flame retardant[J].Bulletin of the Chinese Ceramic Society,2014,33(1):225-230.刘磊,王建立.氢氧化铝镁复合阻燃剂制备技术研究[J].硅酸盐通报,2014,33(1):225-230.
[17] Wu W M,Gao Y,Zhang Y F,et al.Study of flame retardance of PE by aluminum hydroxide[J].China Plastics Industry,2008,36(S1):210-212.吴伟明,高岩,张燕芬,等.氢氧化铝在聚乙烯中阻燃性能的研究[J].塑料工业,2008,36(S1):210-212.
[18] Zhao G X,Zhang L K.Inorganic flame retardant:alluminum hydroxide[J].Special Purpose Rubber Products,2003,24(5):20-23.赵光贤,张雷康.无机阻燃剂:氢氧化铝[J].特种橡胶制品,2003,24(5):20-23.
[19] Esaulkov M N,Khodan A N,Nazarov M M,et al.Bulk, structural and interfacing water in the nanostructured alumina hydroxide studied by THzTDS spectroscopy[C]//2009 34th International Conference on Infrared,Millimeter,and Terahertz Waves,September 21-25,2009,Busan,Korea.New York:IEEE,2009:5324667.
[20] Gente R, Rehn A, Probst T,et al. Outdoor measurements of leaf water content using THz quasi time-domain spectroscopy[J].Journal of Infrared,Millimeter,and Terahertz Waves,2018,39(10):943-948.
[21] Born N,Behringer D,Liepelt S,et al.Monitoring plant drought stress response using terahertz timedomain spectroscopy[J].Plant Physiology,2014,164(4):1571-1577.
[22] Zhao H W,Ge M,Wang W F,et al.Application of teraherz time domain spectroscopy in chemistry and biology[J].Chemistry,2005,68(2):87-93.赵红卫,葛敏,王文锋,等.太赫兹时域光谱技术在化学和生物学研究中的应用[J].化学通报,2005,68(2):87-93.
[23] Shang J Z,Wang B,Ren R B,et al.Nondestructive quantitative analysis of aluminum hydrochloride powder drug via near-infrared spectroscopy combined with partial least squares[J]. Life Science Instruments,2009,7(6):43-45.商金卓,王彬,任瑞冰,等.PLS-近红外漫反射光谱法对氢氧化铝粉末药品非破坏定量分析[J].生命科学仪器,2009,7(6):43-45.
[24] Zhang G,Liang Z,Yuan B,et al.Detection and application of chemical elements of alumina[J].ChemicalEngineeringDesignCommunications,2018,44(2):150.张歌,梁征,袁波,等.氧化铝化学元素的检测与应用[J].化工设计通讯,2018,44(2):150.
[25] Xu X H,Fu X H,Xia Y,et al.Research on detection of antibiotic drugs based on terahertz timedomainspectroscopy[J]. ModernScientific Instruments,2012(6):42-45.徐贤海,付秀华,夏燚,等.基于太赫兹光谱技术的抗生素类药物检测研究[J].现代科学仪器,2012(6):42-45.
[26] Qu F F, Lin L, Cai C Y,et al. Molecular characterization and theoretical calculation of plant growth regulators based on terahertz time-domain spectroscopy[J].Applied Sciences,2018,8(3):420.
[27] Zhang Y Q,Liang Y M,Zhou J X.Recent progress of graphene doping[J].Acta Chimica Sinica,2014,72(3):367-377.张芸秋,梁勇明,周建新.石墨烯掺杂的研究进展[J].化学学报,2014,72(3):367-377.
[28] He G Q,Stiens J.Enhanced terahertz absorption of graphene composite integrated with double circular metal ring array[J].Plasmonics,2018,13(5):1705-1710.
[29] Faraji M,Moravvej-Farshi M K,Yousefi L.Tunable THzperfectabsorberusinggraphene-based metamaterials[J].Optics Communications,2015,355:352-355.
[30] Yang X X,Kong X T,Dai Q.Optical properties of graphene plasmons and their potential applications[J].Acta Physica Sinica,2015,64(10):106801.杨晓霞,孔祥天,戴庆.石墨烯等离激元的光学性质及其应用前景[J].物理学报,2015,64(10):106801.
[31] Koppens F H L,Chang D E,de Abajo F J G.Graphene plasmonics:aplatform for strong lightmatter interactions[J].Nano Letters,2011,11(8):3370-3377.
[32] Ju L,Geng B S, Horng J,et al. Graphene plasmonics for tunable terahertz metamaterials[J].Nature Nanotechnology,2011,6(10):630-634.
[33] Chen J N,Badioli M,Alonso-González P,et al.Optical nano-imaging of gate-tunable graphene plasmons[J].Nature,2012,487(7405):77-81.
[2] Ge M,Zhao H W,Wang W F,et al.Terahertz time-domain spectroscopic investigation on quinones[J].Science in China Series B:Chemistry,2008,51(4):354-358.
[3] Davies A G,Burnett A D,Fan W H,et al.Terahertz spectroscopy of explosives and drugs[J].Materials today,2008,11(3):18-26.
[4] ChenT, CaiZH. Terahertztime-domain spectroscopy of L-,D-and DL-arabinose[J].Laser&Optoelectronics Progress,2018,55(6):063001.陈涛,蔡治华.L-,D-和DL-阿拉伯糖的太赫兹时域光谱研究[J].激光与光电子学进展,2018,55(6):063001.
[5] Zhang X N,Chen J,Zhou Z K.THz time-domain spectroscopy technology[J].Laser&Optoelectronics Progress,2005,42(7):35-38.张兴宁,陈稷,周泽魁.太赫兹时域光谱技术[J].激光与光电子学进展,2005,42(7):35-38.
[6] Pan Y T,LüJ H.Terahertz spectroscopy of the interfacial water in phospholipid membranes[J].Laser&Optoelectronics Progress,2017,54(4):043001.潘亚涛,吕军鸿.基于太赫兹光谱技术的生物膜界面水研究[J].激光与光电子学进展,2017,54(4):043001.
[7] Wang W A,Liu W,Yang X,et al.Terahertz timedomain spectroscopy of anhydrous glucose[J].Chinese Journal of Lasers,2016,43(11):1111001.王文爱,刘维,杨茜,等.无水葡萄糖的太赫兹时域光谱特性[J].中国激光,2016,43(11):1111001.
[8] Cai H,Guo X J,He T,et al.Terahertz wave and its new applications[J].Chinese Journal of Optics and Applied Optics,2010,3(3):209-222.蔡禾,郭雪娇,和挺,等.太赫兹技术及其应用研究进展[J].中国光学与应用光学,2010,3(3):209-222.
[9] SulovskáK.Terahertz spectroscopy applications in medicament analysis[M]//Ntalianis K,Croitoru A.Lecture Notes in Electrical Engineering. Cham:Springer,2017,428:45-50.
[10] Zhu Y M.Testing of drug using terahertz timedomainspectroscopy[J]. ModernScientific Instruments,2012(6):30-32.朱亦鸣.太赫兹技术在药物检测中的应用[J].现代科学仪器,2012(6):30-32.
[11] Zhao S J,Li C,Jiang H Y,et al.Simultaneous determination of 7 quionlones residues in animal muscletissuesbyhighperformanceliquid chromatography[J].Chinese Journal of Analytical Chemistry,2007,35(6):786-790.赵思俊,李存,江海洋,等.高效液相色谱检测动物肌肉组织中7种喹诺酮类药物的残留[J].分析化学,2007,35(6):786-790.
[12] Carpinteri A,Piana G,Bassani A,et al.Terahertz vibration modes in Na/K-ATPase[J].Journal of Biomolecular Structure and Dynamics,2018:1-9.
[13] Fletcher J R,Naftaly M, Molloy J F,et al.Measurement of a phonon resonance in a GaSe crystal using THz free induction decay[J]. Vibrational Spectroscopy,2017,92:169-172.
[14] Zhu Q S,Chen H L,Huang L,et al.Evaluation on determination methods of aluminium hydroxide in Weitongning Tablets[J].Drug Standards of China,2015,16(3):204-206.朱樵苏,陈惠玲,黄澜,等.胃痛宁片中氢氧化铝含量测定方法的评价[J].中国药品标准,2015,16(3):204-206.
[15] Huang D, Nan H, Wu H. Flame retardancy property and application of Al(OH)3[J].Development and Application of Materials,2004,19(3):33-37.黄东,南海,吴鹤.氢氧化铝的阻燃性质与应用研究[J].材料开发与应用,2004,19(3):33-37.
[16] Liu L,Wang J L.Study on preparation of aluminum magnesium hydroxide composite flame retardant[J].Bulletin of the Chinese Ceramic Society,2014,33(1):225-230.刘磊,王建立.氢氧化铝镁复合阻燃剂制备技术研究[J].硅酸盐通报,2014,33(1):225-230.
[17] Wu W M,Gao Y,Zhang Y F,et al.Study of flame retardance of PE by aluminum hydroxide[J].China Plastics Industry,2008,36(S1):210-212.吴伟明,高岩,张燕芬,等.氢氧化铝在聚乙烯中阻燃性能的研究[J].塑料工业,2008,36(S1):210-212.
[18] Zhao G X,Zhang L K.Inorganic flame retardant:alluminum hydroxide[J].Special Purpose Rubber Products,2003,24(5):20-23.赵光贤,张雷康.无机阻燃剂:氢氧化铝[J].特种橡胶制品,2003,24(5):20-23.
[19] Esaulkov M N,Khodan A N,Nazarov M M,et al.Bulk, structural and interfacing water in the nanostructured alumina hydroxide studied by THzTDS spectroscopy[C]//2009 34th International Conference on Infrared,Millimeter,and Terahertz Waves,September 21-25,2009,Busan,Korea.New York:IEEE,2009:5324667.
[20] Gente R, Rehn A, Probst T,et al. Outdoor measurements of leaf water content using THz quasi time-domain spectroscopy[J].Journal of Infrared,Millimeter,and Terahertz Waves,2018,39(10):943-948.
[21] Born N,Behringer D,Liepelt S,et al.Monitoring plant drought stress response using terahertz timedomain spectroscopy[J].Plant Physiology,2014,164(4):1571-1577.
[22] Zhao H W,Ge M,Wang W F,et al.Application of teraherz time domain spectroscopy in chemistry and biology[J].Chemistry,2005,68(2):87-93.赵红卫,葛敏,王文锋,等.太赫兹时域光谱技术在化学和生物学研究中的应用[J].化学通报,2005,68(2):87-93.
[23] Shang J Z,Wang B,Ren R B,et al.Nondestructive quantitative analysis of aluminum hydrochloride powder drug via near-infrared spectroscopy combined with partial least squares[J]. Life Science Instruments,2009,7(6):43-45.商金卓,王彬,任瑞冰,等.PLS-近红外漫反射光谱法对氢氧化铝粉末药品非破坏定量分析[J].生命科学仪器,2009,7(6):43-45.
[24] Zhang G,Liang Z,Yuan B,et al.Detection and application of chemical elements of alumina[J].ChemicalEngineeringDesignCommunications,2018,44(2):150.张歌,梁征,袁波,等.氧化铝化学元素的检测与应用[J].化工设计通讯,2018,44(2):150.
[25] Xu X H,Fu X H,Xia Y,et al.Research on detection of antibiotic drugs based on terahertz timedomainspectroscopy[J]. ModernScientific Instruments,2012(6):42-45.徐贤海,付秀华,夏燚,等.基于太赫兹光谱技术的抗生素类药物检测研究[J].现代科学仪器,2012(6):42-45.
[26] Qu F F, Lin L, Cai C Y,et al. Molecular characterization and theoretical calculation of plant growth regulators based on terahertz time-domain spectroscopy[J].Applied Sciences,2018,8(3):420.
[27] Zhang Y Q,Liang Y M,Zhou J X.Recent progress of graphene doping[J].Acta Chimica Sinica,2014,72(3):367-377.张芸秋,梁勇明,周建新.石墨烯掺杂的研究进展[J].化学学报,2014,72(3):367-377.
[28] He G Q,Stiens J.Enhanced terahertz absorption of graphene composite integrated with double circular metal ring array[J].Plasmonics,2018,13(5):1705-1710.
[29] Faraji M,Moravvej-Farshi M K,Yousefi L.Tunable THzperfectabsorberusinggraphene-based metamaterials[J].Optics Communications,2015,355:352-355.
[30] Yang X X,Kong X T,Dai Q.Optical properties of graphene plasmons and their potential applications[J].Acta Physica Sinica,2015,64(10):106801.杨晓霞,孔祥天,戴庆.石墨烯等离激元的光学性质及其应用前景[J].物理学报,2015,64(10):106801.
[31] Koppens F H L,Chang D E,de Abajo F J G.Graphene plasmonics:aplatform for strong lightmatter interactions[J].Nano Letters,2011,11(8):3370-3377.
[32] Ju L,Geng B S, Horng J,et al. Graphene plasmonics for tunable terahertz metamaterials[J].Nature Nanotechnology,2011,6(10):630-634.
[33] Chen J N,Badioli M,Alonso-González P,et al.Optical nano-imaging of gate-tunable graphene plasmons[J].Nature,2012,487(7405):77-81.
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