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吐尔逊·阿不都热依木, 凯丽比努尔·艾孜热提玉麦尔, 唐新生, 拿吾尔斯汗·赛尔克江, 依力亚尔·吾休. PEDOT的固相聚合法制备及其在紫外光探测器中的应用[J]. 功能高分子学报. doi: 10.14133/j.cnki.1008-9357.20220809001
引用本文: 吐尔逊·阿不都热依木, 凯丽比努尔·艾孜热提玉麦尔, 唐新生, 拿吾尔斯汗·赛尔克江, 依力亚尔·吾休. PEDOT的固相聚合法制备及其在紫外光探测器中的应用[J]. 功能高分子学报. doi: 10.14133/j.cnki.1008-9357.20220809001
ABUDOUREYIMU Tuerxun, AIZIRETIYUMAIER Kailibinuer, TANG Xinsheng, SAIERKEJIANG Nawuersihan, WUXIU Yiliyaer. Preparation of PEDOT by Solid-State Polymerization Method and Its Application in UV Photodetctor[J]. Journal of Functional Polymers. doi: 10.14133/j.cnki.1008-9357.20220809001
Citation: ABUDOUREYIMU Tuerxun, AIZIRETIYUMAIER Kailibinuer, TANG Xinsheng, SAIERKEJIANG Nawuersihan, WUXIU Yiliyaer. Preparation of PEDOT by Solid-State Polymerization Method and Its Application in UV Photodetctor[J]. Journal of Functional Polymers. doi: 10.14133/j.cnki.1008-9357.20220809001

PEDOT的固相聚合法制备及其在紫外光探测器中的应用

doi: 10.14133/j.cnki.1008-9357.20220809001
基金项目: 新疆大学国家级大学生创新训练计划资助(202110755041);国家自然科学基金资助项目(21865034,21764014)
详细信息
    作者简介:

    吐尔逊·阿不都热依木(1974-),男,新疆乌鲁木齐人,新疆大学教师,E-mail: tursunabdir@sina.com.cn

  • 中图分类号: O631

Preparation of PEDOT by Solid-State Polymerization Method and Its Application in UV Photodetctor

  • 摘要: 首先以2,5-二溴-3,4-乙撑二氧噻吩(DBEDOT)为单体,通过固相聚合法在掺杂氟的二氧化锡导电玻璃(FTO)基底表面制备聚(3,4-乙撑二氧噻吩)(PEDOT)膜,然后将其与氧化锌纳米阵列(ZnO NRs)修饰的 FTO 组装成有机-无机异质结紫外光探测器,并研究其紫外光探测性能。采用紫外-可见分光光谱(UV-Vis)、傅里叶变换红外光谱(FT-IR)、扫描电子显微镜(SEM)、X射线衍射光谱(XRD)等测试方法对材料进行表征。结果表明,固相聚合法制备的 PEDOT 能有效提升 ZnO NRs 基紫外光探测器的性能。器件在紫外光照射下(365 nm,0.32 mW/cm2)表现出较高响应度(15.34 mA/W)、较快响应时间(上升时间为0.159 s和下降时间为0.162 s)和较好的稳定性。

     

  • 图  1  单体和固相聚合法制备 PEDOT 的合成示意图

    Figure  1.  Synthetic route of monomer and PEDOT from solid-state polymerization

    图  2  紫外光探测器的组装流程图

    Figure  2.  Schematic diagram of preparing UV photo detector

    图  3  PEDOT 的 (a) 紫外-可见吸收光谱,(b) 红外光谱和 (c) 扫描电子显微镜图

    Figure  3.  (a) UV-Vis spectrum, (b) FT-IR spectrum and (c) SEM image of PEDOT

    图  4  ZnO NRs 的扫描电子显微镜(a)横断面视图与(b)俯视图,(c)UV-Vis光谱图和(d)XRD谱图

    Figure  4.  (a) Cross section of SEM, (b) Top view of SEM, (c) UV-Vis spectrum and (d) XRD patterns of ZnO NRs

    图  5  器件的(a)I-V曲线(365 nm), (b)Tafel 曲线(365 nm),(c)I-V曲线(450 nm)和 (d)I-V曲线(650 nm)

    Figure  5.  (a) I-V curves (365 nm), (b) Tafel curves (365 nm), (c) I-V curves (450 nm) and (d) I-V curves (650 nm) of devices

    图  6  器件的(a)一次循环I-t响应曲线,(b)多次循环I-t响应曲线,(c)工作原理图和 (d)能带谱图

    Figure  6.  (a) Single cycle I-t test curve, (b) multi cycle I-t test curve, (c) working principal diagram and (d) energy band spectrum of device

    表  1  不同ZnO基紫外光探测器的性能

    Table  1.   Performances of different ZnO-based UV photodetectors

    SampleWavelength/nmR/(mA·W−1)trise/tfallRef.
    PANI/ZnO MWs3500.560.11 ms/1.45 ms[2]
    ZnO/PVK3509.961.5 s/6.0 s[19]
    PEDOT:PSS/V-ZnO NRs3652.6523 ms/26 ms[4]
    Graphite/ZnO3309.52.0 s/3.2 s[20]
    PEDOT/ZnO NRs36515.340.159 s/0.162 sThis work
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出版历程
  • 收稿日期:  2022-08-09
  • 录用日期:  2022-11-07
  • 网络出版日期:  2022-11-08

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