基于PIN光电二极管的微型一氧化氮化学发光传感器
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摘要
以微型、低成本的PIN光电二极管为光电探测元件,研制了微型一氧化氮化学发光传感器;选取Si探测器和InGaAs探测器的5种光电元件,考察其与一氧化氮发光光谱响应及噪声的关系。结果表明:边长为1.2mm的正方形Si探测器响应灵敏,暗电流噪声低,信噪比最低;设计的小型光腔实现了微量一氧化氮(体积分数为2×10~(-6)～2×10~(-4))的测量,线性度为0.9993;整个系统的响应时间为0.13s,传感器的质量小于50g,非常适合用于工业污染源一氧化氮气体的在线监测。
A miniature chemiluminescence NO sensor is developed using a miniature low-cost PIN photodiode as the photoelectric detector.Five optoelectronic components of the Si detector and InGaAs detector are selected to investigate their relationship with the spectral response of NO luminescence and noise.The experimental results show that the 1.2-mm-length rectangular Si detector is the best one with the advantages of a sensitive response,a low dark-current noise,and the lowest signal-to-noise ratio.Moreover,a small optical cavity is designed,small amount of NO luminescence with a volume fraction of 2×10-6~(-2)×10~(-4) is measured,and the linearity is 0.9993.The response time of the whole system is approximately 0.13 sand the sensor weight is less than 50 g.Thus the proposed sensor is very suitable for the online monitoring of NO gas in the industrial pollution source.
A miniature chemiluminescence NO sensor is developed using a miniature low-cost PIN photodiode as the photoelectric detector.Five optoelectronic components of the Si detector and InGaAs detector are selected to investigate their relationship with the spectral response of NO luminescence and noise.The experimental results show that the 1.2-mm-length rectangular Si detector is the best one with the advantages of a sensitive response,a low dark-current noise,and the lowest signal-to-noise ratio.Moreover,a small optical cavity is designed,small amount of NO luminescence with a volume fraction of 2×10-6~(-2)×10~(-4) is measured,and the linearity is 0.9993.The response time of the whole system is approximately 0.13 sand the sensor weight is less than 50 g.Thus the proposed sensor is very suitable for the online monitoring of NO gas in the industrial pollution source.
引文
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[15]Li L,Tang Z L,Wu Y B.Scattering photoacoustic detection technique and its imaging method[J].Acta Optica Sinica,2016,36(9):0911002.李琳,唐志列,吴泳波.散射光声探测技术及其成像方法[J].光学学报,2016,36(9):0911002.
[16]Sheng X X,Chen G P,Shi Y W.Novel chemiluminometric sensing system based on hollow fiber[J].Acta Optica Sinica,2014,34(9):0923004.盛小夏,陈国平,石艺尉.基于空芯光纤的新型化学发光传感系统[J].光学学报,2014,34(9):0923004.
[17]Yang Y X,Yu T Z,Zhang J S,et al.Design and evaluation of an aerosol electrometer with low noise and a wide dynamic range[J].Sensors,2018,18(5):1614.
[2]Kosterev A A,Malinovsky A L,Tittel F K,et al.Cavity ringdown spectroscopic detection of nitric oxide with a continuous-wave quantum-cascade laser[J].Applied Optics,2001,40(30):5522-5529.
[3]De A,Banik G D,Maity A,et al.Continuous wave external-cavity quantum cascade laser-based highresolution cavity ring-down spectrometer for ultrasensitive trace gas detection[J].Optics Letters,2016,41(9):1949-1952.
[4]Zhang G Y,Guan R H,Jin Y D.Intense laser induced multiphoton photo-acoustic spectrum of NO[J].Chinese Journal of Lasers,2007,34(8):1069-1072.张贵银,关荣华,靳一东.强激光诱导NO分子的多光子光声光谱[J].中国激光,2007,34(8):1069-1072.
[5]Li Z L,Shi C,Ren W.Mid-infrared multimode fibercoupled quantum cascade laser for off-beam quartzenhanced photoacoustic detection[J].Optics Letters,2016,41(17):4095-4098.
[6]Yi H M,Liu K,Chen W D,et al.Application of a broadband blue laser diode to trace NO2 detection using off-beam quartz-enhanced photoacoustic spectroscopy[J].Optics Letters,2011,36(4):481-483.
[7]Sigsby J E,Black F M,Bellar T A,et al.Chemiluminescent method for analysis of nitrogen compounds in mobile source emissions nitric oxide,nitrogen dioxide,and ammonia[J].Environmental Science&Technology,1973,7(1):51-54.
[8]Robinson J K,Bollinger M J,Birks J W.Luminol/H2O2chemiluminescence detector for the analysis of nitric oxide in exhaled breath[J].Analytical Chemistry,1999,71(22):5131-5136.
[9]Geng X H,Gao Y,Feng C B,et al.A facile and high sensitive micro fluorimeter based on light emitting diode and photodiode[J].Talanta,2017,175:183-188.
[10]Toda K,Dasgupta P K.New applications of chemiluminescence for selective gas analysis[J].Chemical Engineering Communications,2007,195(2):82-97.
[11]Clough P N,Thrush B A.The mechanism of the chemiluminescent reaction between nitric oxide and ozone[J].Chemical Communications,1966(21):783.
[12]Nazififard M,Suh K Y,Mahmoudieh A.Experimental analysis of a novel and low-cost pin photodiode dosimetry system for diagnostic radiology[J].Review of Scientific Instruments,2016,87(7):073502.
[13]Zhu W D.Structural characteristics and applications of chemiluminescence NO analyzer[J].Analytical Instrumentation,2002(2):40-43.朱卫东.化学发光氮氧化物分析器的结构特点与应用[J].分析仪器,2002(2):40-43.
[14]Fang J.Development of a chemiluminescence detection system for NO detect[D].Hefei:Anhui Institute of Optics and Fine Mechanics,Chinese Academy of Sciences,2011:14-16.
[15]Li L,Tang Z L,Wu Y B.Scattering photoacoustic detection technique and its imaging method[J].Acta Optica Sinica,2016,36(9):0911002.李琳,唐志列,吴泳波.散射光声探测技术及其成像方法[J].光学学报,2016,36(9):0911002.
[16]Sheng X X,Chen G P,Shi Y W.Novel chemiluminometric sensing system based on hollow fiber[J].Acta Optica Sinica,2014,34(9):0923004.盛小夏,陈国平,石艺尉.基于空芯光纤的新型化学发光传感系统[J].光学学报,2014,34(9):0923004.
[17]Yang Y X,Yu T Z,Zhang J S,et al.Design and evaluation of an aerosol electrometer with low noise and a wide dynamic range[J].Sensors,2018,18(5):1614.
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