Ultraviolet Photodetector Based on Poly(3,4-Ethylenedioxyselenophene)/ZnO Core–Shell Nanorods p-n Heterojunction
Abstract In this work, we successfully assembled an organic–inorganic core–shell hybrid p-n heterojunction ultraviolet photodetector by the electropolymerization deposition of poly(3,4-ethylenedioxyselenophene) (PEDOS) on the surface of zinc oxide nanoarrays (ZnO NRs). The structures of composite we...
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SpringerOpen
2022-07-01
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Series: | Nanoscale Research Letters |
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Online Access: | https://doi.org/10.1186/s11671-022-03705-4 |
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author | Aygul Kadir Ruxangul Jamal Tursun Abdiryim Xiong Liu Hujun Zhang Nawrzhan Serkjan Dongna Zou Ya jun Liu |
author_facet | Aygul Kadir Ruxangul Jamal Tursun Abdiryim Xiong Liu Hujun Zhang Nawrzhan Serkjan Dongna Zou Ya jun Liu |
author_sort | Aygul Kadir |
collection | DOAJ |
description | Abstract In this work, we successfully assembled an organic–inorganic core–shell hybrid p-n heterojunction ultraviolet photodetector by the electropolymerization deposition of poly(3,4-ethylenedioxyselenophene) (PEDOS) on the surface of zinc oxide nanoarrays (ZnO NRs). The structures of composite were confirmed by FTIR, UV–Vis, XRD and XPS. Mott–Schottky analysis was used to study the p-n heterojunction structure. The photodetection properties of ZnO NRs/PEDOS heterojunction ultraviolet photodetector were systematically investigated current–voltage (I–V) and current–time (I–t) analysis under different bias voltages. The results showed that PEDOS films uniformly grew on ZnO NRs surface and core–shell structure was formed. The p-n heterojunction structure was formed with strong built-in electric field between ZnO NRs and PEDOS. Under the irradiation of UV light, the device showed a good rectification behavior. The responsivity, detection rate and the external quantum efficiency of the ultraviolet photodetector reached to 247.7 A/W, 3.41 × 1012 Jones and 84,000% at 2 V bias, respectively. The rise time (τ r) and fall time (τ f) of ZnO NRs/PEDOS UV photodetector were obviously shortened compared to ZnO UV photodetector. The results show that the introduction of PEDOS effectively improves the performance of the UV photodetector. |
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issn | 1556-276X |
language | English |
last_indexed | 2024-03-12T10:32:24Z |
publishDate | 2022-07-01 |
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series | Nanoscale Research Letters |
spelling | doaj.art-1c93658bad014136bb23e807ed2ae7e12023-09-02T09:06:35ZengSpringerOpenNanoscale Research Letters1556-276X2022-07-0117111110.1186/s11671-022-03705-4Ultraviolet Photodetector Based on Poly(3,4-Ethylenedioxyselenophene)/ZnO Core–Shell Nanorods p-n HeterojunctionAygul Kadir0Ruxangul Jamal1Tursun Abdiryim2Xiong Liu3Hujun Zhang4Nawrzhan Serkjan5Dongna Zou6Ya jun Liu7State Key Laboratory of Chemistry and Utilization of Carbon Based Energy Resources, College of Chemistry, Xinjiang UniversityState Key Laboratory of Chemistry and Utilization of Carbon Based Energy Resources, Key Laboratory of Petroleum and Gas Fine Chemicals, Ministry of Education, College of Chemical Engineering, Xinjiang UniversityState Key Laboratory of Chemistry and Utilization of Carbon Based Energy Resources, College of Chemistry, Xinjiang UniversityState Key Laboratory of Chemistry and Utilization of Carbon Based Energy Resources, College of Chemistry, Xinjiang UniversityState Key Laboratory of Chemistry and Utilization of Carbon Based Energy Resources, College of Chemistry, Xinjiang UniversityState Key Laboratory of Chemistry and Utilization of Carbon Based Energy Resources, College of Chemistry, Xinjiang UniversityState Key Laboratory of Chemistry and Utilization of Carbon Based Energy Resources, College of Chemistry, Xinjiang UniversityState Key Laboratory of Chemistry and Utilization of Carbon Based Energy Resources, College of Chemistry, Xinjiang UniversityAbstract In this work, we successfully assembled an organic–inorganic core–shell hybrid p-n heterojunction ultraviolet photodetector by the electropolymerization deposition of poly(3,4-ethylenedioxyselenophene) (PEDOS) on the surface of zinc oxide nanoarrays (ZnO NRs). The structures of composite were confirmed by FTIR, UV–Vis, XRD and XPS. Mott–Schottky analysis was used to study the p-n heterojunction structure. The photodetection properties of ZnO NRs/PEDOS heterojunction ultraviolet photodetector were systematically investigated current–voltage (I–V) and current–time (I–t) analysis under different bias voltages. The results showed that PEDOS films uniformly grew on ZnO NRs surface and core–shell structure was formed. The p-n heterojunction structure was formed with strong built-in electric field between ZnO NRs and PEDOS. Under the irradiation of UV light, the device showed a good rectification behavior. The responsivity, detection rate and the external quantum efficiency of the ultraviolet photodetector reached to 247.7 A/W, 3.41 × 1012 Jones and 84,000% at 2 V bias, respectively. The rise time (τ r) and fall time (τ f) of ZnO NRs/PEDOS UV photodetector were obviously shortened compared to ZnO UV photodetector. The results show that the introduction of PEDOS effectively improves the performance of the UV photodetector.https://doi.org/10.1186/s11671-022-03705-4Poly(3,4-ethylenedioxyselenophene)Ultraviolet photodetectorElectrochemical deposition methodp-n heterojunction |
spellingShingle | Aygul Kadir Ruxangul Jamal Tursun Abdiryim Xiong Liu Hujun Zhang Nawrzhan Serkjan Dongna Zou Ya jun Liu Ultraviolet Photodetector Based on Poly(3,4-Ethylenedioxyselenophene)/ZnO Core–Shell Nanorods p-n Heterojunction Nanoscale Research Letters Poly(3,4-ethylenedioxyselenophene) Ultraviolet photodetector Electrochemical deposition method p-n heterojunction |
title | Ultraviolet Photodetector Based on Poly(3,4-Ethylenedioxyselenophene)/ZnO Core–Shell Nanorods p-n Heterojunction |
title_full | Ultraviolet Photodetector Based on Poly(3,4-Ethylenedioxyselenophene)/ZnO Core–Shell Nanorods p-n Heterojunction |
title_fullStr | Ultraviolet Photodetector Based on Poly(3,4-Ethylenedioxyselenophene)/ZnO Core–Shell Nanorods p-n Heterojunction |
title_full_unstemmed | Ultraviolet Photodetector Based on Poly(3,4-Ethylenedioxyselenophene)/ZnO Core–Shell Nanorods p-n Heterojunction |
title_short | Ultraviolet Photodetector Based on Poly(3,4-Ethylenedioxyselenophene)/ZnO Core–Shell Nanorods p-n Heterojunction |
title_sort | ultraviolet photodetector based on poly 3 4 ethylenedioxyselenophene zno core shell nanorods p n heterojunction |
topic | Poly(3,4-ethylenedioxyselenophene) Ultraviolet photodetector Electrochemical deposition method p-n heterojunction |
url | https://doi.org/10.1186/s11671-022-03705-4 |
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