光子学报, 2013, 42 (9): 1046, 网络出版: 2013-12-18   

Pt/WO3光纤光栅氢气传感器改性研究

Improvment Research of Fiber-optic Hydrogen Gas Sensor Using Pt Catalyzed Tungsten Trioxide
作者单位
1 武汉理工大学 光纤传感国家工程实验室, 武汉 430070
2 中国工程物理研究院, 四川 绵阳 621907
摘要
将优化制备工艺的Pt/WO3薄膜与增敏的光纤光栅相结合制备氢气传感器探头, 使传感器的性能得到大幅改进.氢敏测试实验结果表明: 经过315℃热处理铂钨比为1∶5的Pt/WO3薄膜具有更好的氢气响应能力;经过施加轴向预应力结构增敏的光纤光栅温度灵敏度为16.3 pm/℃, 大约是裸光栅的两倍;改性后的光纤光栅氢气传感器在氢气浓度为10 000 ppm、2 000 ppm、400 ppm时, 中心波长漂移量分别对应为720 pm、115 pm、20 pm, 并在1 min内达到最大漂移值, 氢气浓度每变化0.01%, 波长漂移分别达到7.2 pm、5.7 pm、5 pm, 氢气最低检测极限可达到0.04%.
Abstract
The hydrogen sensor probe is prepared by combining Pt-loaded WO3 coating with optimized synthesized process and enhanced temperature sensitivity fiber Bragg grating. In this way, the performance of the hydrogen sensor can be significantly improved. The experimental results show that Pt-loaded WO3 coating annealed under 315℃ for an hour has better sensitivity toward hydrogen when Pt∶W ratio is controlled at 1∶5. The temperature sensitivity of fiber Bragg grating which is enhanced by exerting axial prestress is 16.3 pm/℃, which is nearly twice of common fiber Bragg grating. When hydrogen concentration are 10 000 ppm, 2 000 ppm and 400 ppm, the wavelength shifts of fiber Bragg grating are 720 pm, 115 pm and 20 pm respectively, and fiber Bragg grating can reach its maxium wavelength shift within one minute. Moreover, the wavelength shift equal to 7.2 pm, 5.7 pm, 5 pm per 0.01% of H2 concentration and the therhold of hydrogen sensor can reach to 0.04%.
参考文献

[1] HUBERT T, BOON-BRETT L, BLACK G, et al. Hydrogen sensors-A review[J]. Sensors and Actuators B, 2011, 157(2):329-352.

[2] DAI Ji-xiang, YANG Minghong, CHEN Yun. Side-polished fiber Bragg grating hydrogen sensor with WO3-Pd composite film as sensing materials[J]. Optical Express, 2011, 19(7): 6141-6148.

[3] BUTTNER W J, POST M B, BURGESS R, et al. An overview of hydrogen safety sensors and requirements[J]. International Journal of Hydrogen Energy, 2011, 36(3): 2462-2470.

[4] YANG Ming-hong, YANG Zhi, DAI Ji-xiang, et al. Fiber optic hydrogen sensors with sol-gel WO3 coatings[J]. Sensors and Actuators B, 2012, 166-167: 632-636.

[5] FARDINDOOST S, IRAJI ZAD A, RAHIMI F, et al. Pd doped WO3 films prepared by sol-gel process for hydrogen sensing[J]. International Journal of Hydrogen Energy, 2010, 35(2): 854-860.

[6] 杨志, 杨明红, 代吉祥,等. 溶胶凝胶法制备Pt/WO3氢气敏感材料的研究[J]. 光子学报, 2012, 41(9): 1036-1040.

    YANG Zhi, YANG Ming-hong, DAI Ji-xiang, et al. Characteristic of Pt/WO3 hydrogen sensitive material prepared by sol-gel method[J]. Acta Photonica Sinica, 2012, 41(9): 1036-1040.

[7] GRATTAN K T V, SUN T. Fiber optic sensor technology: an overview[J]. Sensors and Actuators A, 2000, 82(1-3): 40-61.

[8] 刘宏亮, 杨明红, 代吉祥,等. 基于钯及其复合膜的光纤氢气传感器特性研究[J]. 光学学报, 2010, 30(12): 3398-3402.

    LIU Hong-liang, YANG Ming-hong, DAI Ji-xiang, et al. Research on characteristic of fiber optic hydrogen sensor based on palladium and its composite films[J]. Acta Optica Sinica, 2010, 30(12): 3398-3402.

[9] 代吉祥, 杨明红, 程芸,等. 基于WO3- Pd复合膜的D型光纤光栅氢气传感器[J]. 光子学报, 2011, 40(7): 1003-1007.

    DAI Ji-xiang, YANG Ming-hong, CHEN Yun, et al. Hydrogen sensor based on d-shaped fiber Bragg grating coated with WO3-Pd composite films[J]. Acta Photonica Sinica, 2011, 40(7): 1003-1007.

[10] MONZON-HERNANDEZ D, LUNA-MORENO D, MARTINEZ-ESCOBAR D. Fast response fiber optic hydrogen sensor based on palladium and gold nano-layers[J]. Sensors and Actuators B: Chemical, 2009, 136(2): 562-566.

[11] CAUCHETEUR C, DEBLIQUY M, LAHEM D, et al. Hybrid fiber gratings coated with a catalytic sensitive layer for hydrogen sensing in air[J]. Optical Express. 2008, 16(21): 16854-16859.

[12] 杨晓红, 王新强, 唐一科, 等. 纳米WO3薄膜的光学性质及氢敏特性研究[J]. 传感器与微系统, 2006, 25(11): 12-14.

    YANG Xiao-hong, WANG Xin-qiang, TANG Yi-ke, et al. Study on optical and hydrogen sensing properties of nanocrystalline WO3 films[J]. Transducer and Microsystem Technologies, 2006, 25(11): 12-14.

[13] 庄琳, 徐雪青, 沈辉. 热处理对WO3薄膜的结构和气致变色性能的影响 [J]. 材料导报, 2002, 16(4): 72-74.

    ZHUANG Lin, XU Xue-qing, SHEN Hui. Effect of annealing temperature on structure and gaschromic properties of WO3 thin films[J]. Materials Review, 2002, 16(4): 72-74.

[14] 冯德全, 王宏亮, 罗小东,等. 一种基于施加预应力的FBG封装技术[J]. 光电子·激光, 2011, 11(3): 1606-1608.

    FENG De-quan, WANG Hong-liang, LUO Xiao-dong, et al. A FBG packaging technique based on exerting pretress[J]. Journal of Optoelectronics·Laser, 2011, 11(3): 1606-1608.

[15] ZHANG C, BOUDIBAA A, GEORGES M, et al. Sensing properties of Pt/Pd activated tungsten oxide films grown by simultaneous radio-frequency sputtering to reducing gases[J]. Sensors and Actuators B: Chemical, 2011, 175: 53-59.

[16] CHEN Shang-hui, LUO Jian-yi, TAN Hui-dong, et al. Study of self-heating phenomenon and its resultant effect on ultrafast gasochromic coloration of Pt-WO3 nanowire films[J]. Sensors and Actuators B: Chemical, 2012, 173: 824–832.

[17] 吕且妮, 张以谟, 刘铁根,等. 一种基于施加预应力的FBG封装技术[J]. 天津大学学报, 2002, 35(4): 425-428.

    LU Qie-ni, ZHANG Yi-mo, LIU Tie-gen, et al. Cross-sensitivity of fiber grating sensor measurements[J]. Journal of Tianjin University, 2002, 35(4): 425–428.

李智, 杨明红, 代吉祥, 杨志, 张毅, 庄志. Pt/WO3光纤光栅氢气传感器改性研究[J]. 光子学报, 2013, 42(9): 1046. LI Zhi, YANG Ming-hong, DAI Ji-xiang, YANG Zhi, ZHANG Yi, ZHUANG Zhi. Improvment Research of Fiber-optic Hydrogen Gas Sensor Using Pt Catalyzed Tungsten Trioxide[J]. ACTA PHOTONICA SINICA, 2013, 42(9): 1046.

本文已被 5 篇论文引用
被引统计数据来源于中国光学期刊网
引用该论文: TXT   |   EndNote

相关论文

加载中...

关于本站 Cookie 的使用提示

中国光学期刊网使用基于 cookie 的技术来更好地为您提供各项服务,点击此处了解我们的隐私策略。 如您需继续使用本网站,请您授权我们使用本地 cookie 来保存部分信息。
全站搜索
您最值得信赖的光电行业旗舰网络服务平台!