自供能柔性氧化石墨烯湿度传感器的喷墨印刷制备及性能研究
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摘要
呼吸频率及呼吸模式检测可用于医疗诊断以及人体健康评估。传统的医学检测器件体积大、能耗高、使用不便捷。针对高性能、低成本、便携式电子产品的迫切需求,本工作利用氧化石墨烯材料自发极化后对湿度敏感的特性,通过喷墨印刷方法制备了一种可以实现自供能的平面型湿度传感器。所制备的传感器对湿度响应呈现为线性关系,并且具有优异的灵敏度、快速响应和恢复特性、多次循环稳定性和长期老化稳定性等特性。基于该传感器可以实现对于人体呼吸频率和呼吸模式等的检测。制备的湿度传感器具有制作简单、成本低、不易受人体行动及外界环境干扰等优点,适用于实时监测呼吸频率和呼吸模式。
Respiratory frequency and mode could be applied for medical diagnosis and health evaluation. Traditional medical diagnosing devices have bulky size and high cost, and are of inconvenience in use. To fulfill the urgent demand for high-performance, low-cost, and portable electronic devices, this study proposes to fabricate self-powered planar humidity sensors by inkjet-printing method by virtue of the characteristics that graphene oxide self-polarizes and is sensitive to humidity. This sensor linearly responds to the relative humidity, and both responds and recovers rapidly. In addition, this sensor possesses excellent sensitivity and stability after multiple cycling and long-term storage, and has realized monitoring of the respiratory frequency and mode. The humidity sensors in this work is ready to fabricate with low production cost, free from interference by body motion or exterior environment, and suitable for real-time monitoring respiratory frequency and mode.
Respiratory frequency and mode could be applied for medical diagnosis and health evaluation. Traditional medical diagnosing devices have bulky size and high cost, and are of inconvenience in use. To fulfill the urgent demand for high-performance, low-cost, and portable electronic devices, this study proposes to fabricate self-powered planar humidity sensors by inkjet-printing method by virtue of the characteristics that graphene oxide self-polarizes and is sensitive to humidity. This sensor linearly responds to the relative humidity, and both responds and recovers rapidly. In addition, this sensor possesses excellent sensitivity and stability after multiple cycling and long-term storage, and has realized monitoring of the respiratory frequency and mode. The humidity sensors in this work is ready to fabricate with low production cost, free from interference by body motion or exterior environment, and suitable for real-time monitoring respiratory frequency and mode.
引文
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[2]JAIMCHARIYATAM N,DWEIK R A,KAW R,et al.Polysomnographic determinants of nocturnal hypercapnia in patients with sleep apnea.J.Clin.Sleep Med.,2013,9(3):209-215.
[3]PEPPARD P E,YOUNG T,BARNET J H,et al.Increased prevalence of sleep-disordered breathing in adults.Am.J.Epidemiol.,2013,177(9):1006-1014.
[4]YAMAMORI S,TAKASAKI Y,OZAKI M,et al.A flow-through capnometer for obstructive sleep apnea.J.Clin.Monit.Comput.,2008,22(3):209-220.
[5]FIESELMANN J F,HENDRYX M S,HELMS C M,et al.Respiratory rate predicts cardiopulmonary arrest for internal medicine inpatients.J.Gen.Intern.Med.,1993,8(7):354-360.
[6]WOOLLARD M,GREAVES I.4 Shortness of breath.Emerg.Med.J.,2004,21(3):341-350.
[7]CHENG A C,BLACK J F,BUISING K L.Respiratory rate:the neglected vital sign.Med.J.Aust.,2008,189(9):531-532.
[8]CAREY D G,SCHWARZ L A,PLIEGO G J,et al.Respiratory rate is a valid and reliable marker for the anaerobic threshold:implications for measuring change in fitness.J.Sport.Sci.Med.,2005,4(4):482-488.
[9]AL-KHALIDI F Q,SAATCHI R,BURKE D,et al.Respiration rate monitoring methods:a review.Pediatr.Pulmonol.,2011,46(6):523-529.
[10]JIN H,LEE L A,SONG L,et al.Acoustic analysis of snoring in the diagnosis of obstructive sleep apnea syndrome:a call for more rigorous studies.J.Clin.Sleep Med.,2015,11(7):765-771.
[11]STORCK K,KARLSSON M,ASK P,et al.Heat transfer evaluation of the nasal thermistor technique.IEEE Trans.Biomed.Engin.,1996,43(12):1187-1191.
[12]AUTET L M,FRASCA D,PINSARD M,et al.Evaluation of acoustic respiration rate monitoring after extubation in intensive care unit patients.BJA Brit.J.Anaesth.,2014,113(1):195-197.
[13]MOGERA U,SAGADE A A,GEORGE S J,et al.Ultrafast response humidity sensor using supramolecular nanofibre and its application in monitoring breath humidity and flow.Sci.Rep.,2014,4:4103.
[14]GüDER F,AINLA A,REDSTON J,et al.Paper-based electrical respiration sensor.Angew.Chem.Int.Ed.,2016,128(19):5727-5732.
[15]LUCA A D,SANTRA S,GHOSH R,et al.Temperature-modulated graphene oxide resistive humidity sensor for indoor air quality monitoring.Nanoscale,2016,8(8):4565-4572.
[16]DEEN D A,OLSON E J,EBRISH M A,et al.Graphene-based quantum capacitance wireless vapor sensors.Sens.J.IEEE,2014,14(5):1459-1466.
[17]HUANG L,WANG Z,ZHANG J,et al.Fully printed,rapidresponse sensors based on chemically modified graphene for detecting NO2 at room temperature.ACS Appl.Mater.Interfaces,2014,6(10):7426-7433.
[18]NOVOSELOV K S,GEIM A K,MOROZOV S V,et al.Electric field effect in atomically thin carbon films.Science,2004,306(5696):666-669.
[19]MEHTA B,BENKSTEIN K D,SEMANCIK S,et al.Gas sensing with bare and graphene-covered optical nano-antenna structures.Sci.Rep.,2016,6:21287-1-10.
[20]SCHEDIN F,GEIM A K,MOROZOV S V,et al.Detection of individual gas molecules adsorbed on graphene.Nat.Mater.,2007,6(9):652-655.
[21]SMITH A D,ELGAMMAL K,NIKLAUS F,et al.Resistive graphene humidity sensors with rapid and direct electrical readout.Nanoscale,2015,7(45):19099-19109.
[22]BORINI S,WHITE R,WEI D,et al.Ultrafast graphene oxide humidity sensors.ACS Nano,2013,7(12):11166-11173.
[23]GUO L,JIANG H,SHAO R,et al.Two-beam-laser interference mediated reduction,patterning and nanostructuring of graphene oxide for the production of a flexible humidity sensing device.Carbon,2012,50(4):1667-1673.
[24]RIMEIKA R,BARKAUSKAS J,CIPLYS D.Surface acoustic wave response to ambient humidity in graphite oxide structures.Appl.Phys.Lett.,2011,99(5):051915-1-3.
[25]ZHANG D,CHANG H,LI P,et al.Fabrication and characterization of an ultrasensitive humidity sensor based on metal oxide/graphene hybrid nanocomposite.Sens.Actuators B,2016,225:233-240.
[26]ZHANG D,TONG J,XIA B,et al.Ultrahigh performance humidity sensor based on layer-by-layer self-assembly of graphene oxide/polyelectrolyte nanocomposite film.Sens.Actuators B,2014,203:263-270.
[27]GHOSH S,GHOSH R,GUHA P K,et al.Humidity sensor based on high proton conductivity of graphene oxide.IEEE Transactions on Nanotechnology,2015,14(5):931-937.
[28]WEE B H,KHOH W H,SARKER A K,et al.A high-performance moisture sensor based on ultralarge graphene oxide.Nanoscale,2015,7(42):17805-17811.
[29]ZHAO F,WANG L,ZHAO Y,et al.Graphene oxide nanoribbon assembly toward moisture-powered information storage.Adv.Mater.,2017,29(3):1604972-1-7.
[30]ZHAO F,CHENG H,ZHANG Z,et al.Direct power generation from a graphene oxide film under moisture.Adv.Mater.,2015,27(29):4351-4357.
[31]MARCANO D C,KOSYNKIN D V,BERLIN J M,et al.Improved synthesis of graphene oxide.ACS Nano,2010,4(8):4806-4814.