The improvement of UV photodetection based on polymer/ZnO nanorod heterojunctions
We report on the fabrication of rectifying junctions between n-type ZnO nanorods (NRs) and p-type polymer (poly(3,4ethylenedioxythiophene):poly(styrenesulfonate) (PEDOT:PSS). The ZnO NRs are synthesized by a low temperature two-step hydrothermal method on n-type silicon substrate. Scanning electron...
Ausführliche Beschreibung
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Belhaj, M. [verfasserIn] |
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Englisch |
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2020transfer abstract |
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Enthalten in: Ultrasound-assisted synthesis and biological activity of nanosized supramolecular coordination polymers of silver(I) with chloride, thiocyanate, and 4,4′-bipyridine ligands - saleh, Dalia I ELSEVIER, 2022, physics, materials and applications, Amsterdam [u.a.] |
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volume:77 ; year:2020 ; pages:0 |
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DOI / URN: |
10.1016/j.orgel.2019.105545 |
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ELV049553305 |
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245 | 1 | 4 | |a The improvement of UV photodetection based on polymer/ZnO nanorod heterojunctions |
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520 | |a We report on the fabrication of rectifying junctions between n-type ZnO nanorods (NRs) and p-type polymer (poly(3,4ethylenedioxythiophene):poly(styrenesulfonate) (PEDOT:PSS). The ZnO NRs are synthesized by a low temperature two-step hydrothermal method on n-type silicon substrate. Scanning electron microscopy (SEM), photoluminescence (PL) spectroscopy and current–voltage (I–V) measurements are employed to study the morphology, charge transport, and device performance of the fabricated structures. Vertically aligned ZnO NRs are covered with a thick polymer layer to form an heterojunction based photodiode. Graphite and GaIn eutectic (e-GaIn) are used as ohmic contacts to PEDOT:PPS film and Si substrate, respectively. Basic electrical parameters for e-GaIn/Si/ZnO/PEDOT:PSS/Graphite structure are calculated from the I–V characteristics. These structures also show high sensitivity to UV light illumination with a large degree of reproducibility. Furthermore, we demonstrate that by using the photovoltaic effect, the photodetector can operate as self-powered without consuming external energy. | ||
520 | |a We report on the fabrication of rectifying junctions between n-type ZnO nanorods (NRs) and p-type polymer (poly(3,4ethylenedioxythiophene):poly(styrenesulfonate) (PEDOT:PSS). The ZnO NRs are synthesized by a low temperature two-step hydrothermal method on n-type silicon substrate. Scanning electron microscopy (SEM), photoluminescence (PL) spectroscopy and current–voltage (I–V) measurements are employed to study the morphology, charge transport, and device performance of the fabricated structures. Vertically aligned ZnO NRs are covered with a thick polymer layer to form an heterojunction based photodiode. Graphite and GaIn eutectic (e-GaIn) are used as ohmic contacts to PEDOT:PPS film and Si substrate, respectively. Basic electrical parameters for e-GaIn/Si/ZnO/PEDOT:PSS/Graphite structure are calculated from the I–V characteristics. These structures also show high sensitivity to UV light illumination with a large degree of reproducibility. Furthermore, we demonstrate that by using the photovoltaic effect, the photodetector can operate as self-powered without consuming external energy. | ||
650 | 7 | |a I–V characteristics |2 Elsevier | |
650 | 7 | |a ZnO NRs |2 Elsevier | |
650 | 7 | |a Photoluminescence |2 Elsevier | |
650 | 7 | |a Heterojunctions |2 Elsevier | |
650 | 7 | |a Polymer |2 Elsevier | |
650 | 7 | |a UV photodiode |2 Elsevier | |
700 | 1 | |a Dridi, C. |4 oth | |
700 | 1 | |a Yatskiv, R. |4 oth | |
700 | 1 | |a Grym, J. |4 oth | |
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10.1016/j.orgel.2019.105545 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000000941.pica (DE-627)ELV049553305 (ELSEVIER)S1566-1199(19)30572-5 DE-627 ger DE-627 rakwb eng 540 VZ 35.00 bkl Belhaj, M. verfasserin aut The improvement of UV photodetection based on polymer/ZnO nanorod heterojunctions 2020transfer abstract nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier We report on the fabrication of rectifying junctions between n-type ZnO nanorods (NRs) and p-type polymer (poly(3,4ethylenedioxythiophene):poly(styrenesulfonate) (PEDOT:PSS). The ZnO NRs are synthesized by a low temperature two-step hydrothermal method on n-type silicon substrate. Scanning electron microscopy (SEM), photoluminescence (PL) spectroscopy and current–voltage (I–V) measurements are employed to study the morphology, charge transport, and device performance of the fabricated structures. Vertically aligned ZnO NRs are covered with a thick polymer layer to form an heterojunction based photodiode. Graphite and GaIn eutectic (e-GaIn) are used as ohmic contacts to PEDOT:PPS film and Si substrate, respectively. Basic electrical parameters for e-GaIn/Si/ZnO/PEDOT:PSS/Graphite structure are calculated from the I–V characteristics. These structures also show high sensitivity to UV light illumination with a large degree of reproducibility. Furthermore, we demonstrate that by using the photovoltaic effect, the photodetector can operate as self-powered without consuming external energy. We report on the fabrication of rectifying junctions between n-type ZnO nanorods (NRs) and p-type polymer (poly(3,4ethylenedioxythiophene):poly(styrenesulfonate) (PEDOT:PSS). The ZnO NRs are synthesized by a low temperature two-step hydrothermal method on n-type silicon substrate. Scanning electron microscopy (SEM), photoluminescence (PL) spectroscopy and current–voltage (I–V) measurements are employed to study the morphology, charge transport, and device performance of the fabricated structures. Vertically aligned ZnO NRs are covered with a thick polymer layer to form an heterojunction based photodiode. Graphite and GaIn eutectic (e-GaIn) are used as ohmic contacts to PEDOT:PPS film and Si substrate, respectively. Basic electrical parameters for e-GaIn/Si/ZnO/PEDOT:PSS/Graphite structure are calculated from the I–V characteristics. These structures also show high sensitivity to UV light illumination with a large degree of reproducibility. Furthermore, we demonstrate that by using the photovoltaic effect, the photodetector can operate as self-powered without consuming external energy. I–V characteristics Elsevier ZnO NRs Elsevier Photoluminescence Elsevier Heterojunctions Elsevier Polymer Elsevier UV photodiode Elsevier Dridi, C. oth Yatskiv, R. oth Grym, J. oth Enthalten in Elsevier Science saleh, Dalia I ELSEVIER Ultrasound-assisted synthesis and biological activity of nanosized supramolecular coordination polymers of silver(I) with chloride, thiocyanate, and 4,4′-bipyridine ligands 2022 physics, materials and applications Amsterdam [u.a.] (DE-627)ELV007843747 volume:77 year:2020 pages:0 https://doi.org/10.1016/j.orgel.2019.105545 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA 35.00 Chemie: Allgemeines VZ AR 77 2020 0 |
spelling |
10.1016/j.orgel.2019.105545 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000000941.pica (DE-627)ELV049553305 (ELSEVIER)S1566-1199(19)30572-5 DE-627 ger DE-627 rakwb eng 540 VZ 35.00 bkl Belhaj, M. verfasserin aut The improvement of UV photodetection based on polymer/ZnO nanorod heterojunctions 2020transfer abstract nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier We report on the fabrication of rectifying junctions between n-type ZnO nanorods (NRs) and p-type polymer (poly(3,4ethylenedioxythiophene):poly(styrenesulfonate) (PEDOT:PSS). The ZnO NRs are synthesized by a low temperature two-step hydrothermal method on n-type silicon substrate. Scanning electron microscopy (SEM), photoluminescence (PL) spectroscopy and current–voltage (I–V) measurements are employed to study the morphology, charge transport, and device performance of the fabricated structures. Vertically aligned ZnO NRs are covered with a thick polymer layer to form an heterojunction based photodiode. Graphite and GaIn eutectic (e-GaIn) are used as ohmic contacts to PEDOT:PPS film and Si substrate, respectively. Basic electrical parameters for e-GaIn/Si/ZnO/PEDOT:PSS/Graphite structure are calculated from the I–V characteristics. These structures also show high sensitivity to UV light illumination with a large degree of reproducibility. Furthermore, we demonstrate that by using the photovoltaic effect, the photodetector can operate as self-powered without consuming external energy. We report on the fabrication of rectifying junctions between n-type ZnO nanorods (NRs) and p-type polymer (poly(3,4ethylenedioxythiophene):poly(styrenesulfonate) (PEDOT:PSS). The ZnO NRs are synthesized by a low temperature two-step hydrothermal method on n-type silicon substrate. Scanning electron microscopy (SEM), photoluminescence (PL) spectroscopy and current–voltage (I–V) measurements are employed to study the morphology, charge transport, and device performance of the fabricated structures. Vertically aligned ZnO NRs are covered with a thick polymer layer to form an heterojunction based photodiode. Graphite and GaIn eutectic (e-GaIn) are used as ohmic contacts to PEDOT:PPS film and Si substrate, respectively. Basic electrical parameters for e-GaIn/Si/ZnO/PEDOT:PSS/Graphite structure are calculated from the I–V characteristics. These structures also show high sensitivity to UV light illumination with a large degree of reproducibility. Furthermore, we demonstrate that by using the photovoltaic effect, the photodetector can operate as self-powered without consuming external energy. I–V characteristics Elsevier ZnO NRs Elsevier Photoluminescence Elsevier Heterojunctions Elsevier Polymer Elsevier UV photodiode Elsevier Dridi, C. oth Yatskiv, R. oth Grym, J. oth Enthalten in Elsevier Science saleh, Dalia I ELSEVIER Ultrasound-assisted synthesis and biological activity of nanosized supramolecular coordination polymers of silver(I) with chloride, thiocyanate, and 4,4′-bipyridine ligands 2022 physics, materials and applications Amsterdam [u.a.] (DE-627)ELV007843747 volume:77 year:2020 pages:0 https://doi.org/10.1016/j.orgel.2019.105545 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA 35.00 Chemie: Allgemeines VZ AR 77 2020 0 |
allfields_unstemmed |
10.1016/j.orgel.2019.105545 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000000941.pica (DE-627)ELV049553305 (ELSEVIER)S1566-1199(19)30572-5 DE-627 ger DE-627 rakwb eng 540 VZ 35.00 bkl Belhaj, M. verfasserin aut The improvement of UV photodetection based on polymer/ZnO nanorod heterojunctions 2020transfer abstract nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier We report on the fabrication of rectifying junctions between n-type ZnO nanorods (NRs) and p-type polymer (poly(3,4ethylenedioxythiophene):poly(styrenesulfonate) (PEDOT:PSS). The ZnO NRs are synthesized by a low temperature two-step hydrothermal method on n-type silicon substrate. Scanning electron microscopy (SEM), photoluminescence (PL) spectroscopy and current–voltage (I–V) measurements are employed to study the morphology, charge transport, and device performance of the fabricated structures. Vertically aligned ZnO NRs are covered with a thick polymer layer to form an heterojunction based photodiode. Graphite and GaIn eutectic (e-GaIn) are used as ohmic contacts to PEDOT:PPS film and Si substrate, respectively. Basic electrical parameters for e-GaIn/Si/ZnO/PEDOT:PSS/Graphite structure are calculated from the I–V characteristics. These structures also show high sensitivity to UV light illumination with a large degree of reproducibility. Furthermore, we demonstrate that by using the photovoltaic effect, the photodetector can operate as self-powered without consuming external energy. We report on the fabrication of rectifying junctions between n-type ZnO nanorods (NRs) and p-type polymer (poly(3,4ethylenedioxythiophene):poly(styrenesulfonate) (PEDOT:PSS). The ZnO NRs are synthesized by a low temperature two-step hydrothermal method on n-type silicon substrate. Scanning electron microscopy (SEM), photoluminescence (PL) spectroscopy and current–voltage (I–V) measurements are employed to study the morphology, charge transport, and device performance of the fabricated structures. Vertically aligned ZnO NRs are covered with a thick polymer layer to form an heterojunction based photodiode. Graphite and GaIn eutectic (e-GaIn) are used as ohmic contacts to PEDOT:PPS film and Si substrate, respectively. Basic electrical parameters for e-GaIn/Si/ZnO/PEDOT:PSS/Graphite structure are calculated from the I–V characteristics. These structures also show high sensitivity to UV light illumination with a large degree of reproducibility. Furthermore, we demonstrate that by using the photovoltaic effect, the photodetector can operate as self-powered without consuming external energy. I–V characteristics Elsevier ZnO NRs Elsevier Photoluminescence Elsevier Heterojunctions Elsevier Polymer Elsevier UV photodiode Elsevier Dridi, C. oth Yatskiv, R. oth Grym, J. oth Enthalten in Elsevier Science saleh, Dalia I ELSEVIER Ultrasound-assisted synthesis and biological activity of nanosized supramolecular coordination polymers of silver(I) with chloride, thiocyanate, and 4,4′-bipyridine ligands 2022 physics, materials and applications Amsterdam [u.a.] (DE-627)ELV007843747 volume:77 year:2020 pages:0 https://doi.org/10.1016/j.orgel.2019.105545 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA 35.00 Chemie: Allgemeines VZ AR 77 2020 0 |
allfieldsGer |
10.1016/j.orgel.2019.105545 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000000941.pica (DE-627)ELV049553305 (ELSEVIER)S1566-1199(19)30572-5 DE-627 ger DE-627 rakwb eng 540 VZ 35.00 bkl Belhaj, M. verfasserin aut The improvement of UV photodetection based on polymer/ZnO nanorod heterojunctions 2020transfer abstract nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier We report on the fabrication of rectifying junctions between n-type ZnO nanorods (NRs) and p-type polymer (poly(3,4ethylenedioxythiophene):poly(styrenesulfonate) (PEDOT:PSS). The ZnO NRs are synthesized by a low temperature two-step hydrothermal method on n-type silicon substrate. Scanning electron microscopy (SEM), photoluminescence (PL) spectroscopy and current–voltage (I–V) measurements are employed to study the morphology, charge transport, and device performance of the fabricated structures. Vertically aligned ZnO NRs are covered with a thick polymer layer to form an heterojunction based photodiode. Graphite and GaIn eutectic (e-GaIn) are used as ohmic contacts to PEDOT:PPS film and Si substrate, respectively. Basic electrical parameters for e-GaIn/Si/ZnO/PEDOT:PSS/Graphite structure are calculated from the I–V characteristics. These structures also show high sensitivity to UV light illumination with a large degree of reproducibility. Furthermore, we demonstrate that by using the photovoltaic effect, the photodetector can operate as self-powered without consuming external energy. We report on the fabrication of rectifying junctions between n-type ZnO nanorods (NRs) and p-type polymer (poly(3,4ethylenedioxythiophene):poly(styrenesulfonate) (PEDOT:PSS). The ZnO NRs are synthesized by a low temperature two-step hydrothermal method on n-type silicon substrate. Scanning electron microscopy (SEM), photoluminescence (PL) spectroscopy and current–voltage (I–V) measurements are employed to study the morphology, charge transport, and device performance of the fabricated structures. Vertically aligned ZnO NRs are covered with a thick polymer layer to form an heterojunction based photodiode. Graphite and GaIn eutectic (e-GaIn) are used as ohmic contacts to PEDOT:PPS film and Si substrate, respectively. Basic electrical parameters for e-GaIn/Si/ZnO/PEDOT:PSS/Graphite structure are calculated from the I–V characteristics. These structures also show high sensitivity to UV light illumination with a large degree of reproducibility. Furthermore, we demonstrate that by using the photovoltaic effect, the photodetector can operate as self-powered without consuming external energy. I–V characteristics Elsevier ZnO NRs Elsevier Photoluminescence Elsevier Heterojunctions Elsevier Polymer Elsevier UV photodiode Elsevier Dridi, C. oth Yatskiv, R. oth Grym, J. oth Enthalten in Elsevier Science saleh, Dalia I ELSEVIER Ultrasound-assisted synthesis and biological activity of nanosized supramolecular coordination polymers of silver(I) with chloride, thiocyanate, and 4,4′-bipyridine ligands 2022 physics, materials and applications Amsterdam [u.a.] (DE-627)ELV007843747 volume:77 year:2020 pages:0 https://doi.org/10.1016/j.orgel.2019.105545 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA 35.00 Chemie: Allgemeines VZ AR 77 2020 0 |
allfieldsSound |
10.1016/j.orgel.2019.105545 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000000941.pica (DE-627)ELV049553305 (ELSEVIER)S1566-1199(19)30572-5 DE-627 ger DE-627 rakwb eng 540 VZ 35.00 bkl Belhaj, M. verfasserin aut The improvement of UV photodetection based on polymer/ZnO nanorod heterojunctions 2020transfer abstract nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier We report on the fabrication of rectifying junctions between n-type ZnO nanorods (NRs) and p-type polymer (poly(3,4ethylenedioxythiophene):poly(styrenesulfonate) (PEDOT:PSS). The ZnO NRs are synthesized by a low temperature two-step hydrothermal method on n-type silicon substrate. Scanning electron microscopy (SEM), photoluminescence (PL) spectroscopy and current–voltage (I–V) measurements are employed to study the morphology, charge transport, and device performance of the fabricated structures. Vertically aligned ZnO NRs are covered with a thick polymer layer to form an heterojunction based photodiode. Graphite and GaIn eutectic (e-GaIn) are used as ohmic contacts to PEDOT:PPS film and Si substrate, respectively. Basic electrical parameters for e-GaIn/Si/ZnO/PEDOT:PSS/Graphite structure are calculated from the I–V characteristics. These structures also show high sensitivity to UV light illumination with a large degree of reproducibility. Furthermore, we demonstrate that by using the photovoltaic effect, the photodetector can operate as self-powered without consuming external energy. We report on the fabrication of rectifying junctions between n-type ZnO nanorods (NRs) and p-type polymer (poly(3,4ethylenedioxythiophene):poly(styrenesulfonate) (PEDOT:PSS). The ZnO NRs are synthesized by a low temperature two-step hydrothermal method on n-type silicon substrate. Scanning electron microscopy (SEM), photoluminescence (PL) spectroscopy and current–voltage (I–V) measurements are employed to study the morphology, charge transport, and device performance of the fabricated structures. Vertically aligned ZnO NRs are covered with a thick polymer layer to form an heterojunction based photodiode. Graphite and GaIn eutectic (e-GaIn) are used as ohmic contacts to PEDOT:PPS film and Si substrate, respectively. Basic electrical parameters for e-GaIn/Si/ZnO/PEDOT:PSS/Graphite structure are calculated from the I–V characteristics. These structures also show high sensitivity to UV light illumination with a large degree of reproducibility. Furthermore, we demonstrate that by using the photovoltaic effect, the photodetector can operate as self-powered without consuming external energy. I–V characteristics Elsevier ZnO NRs Elsevier Photoluminescence Elsevier Heterojunctions Elsevier Polymer Elsevier UV photodiode Elsevier Dridi, C. oth Yatskiv, R. oth Grym, J. oth Enthalten in Elsevier Science saleh, Dalia I ELSEVIER Ultrasound-assisted synthesis and biological activity of nanosized supramolecular coordination polymers of silver(I) with chloride, thiocyanate, and 4,4′-bipyridine ligands 2022 physics, materials and applications Amsterdam [u.a.] (DE-627)ELV007843747 volume:77 year:2020 pages:0 https://doi.org/10.1016/j.orgel.2019.105545 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA 35.00 Chemie: Allgemeines VZ AR 77 2020 0 |
language |
English |
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Enthalten in Ultrasound-assisted synthesis and biological activity of nanosized supramolecular coordination polymers of silver(I) with chloride, thiocyanate, and 4,4′-bipyridine ligands Amsterdam [u.a.] volume:77 year:2020 pages:0 |
sourceStr |
Enthalten in Ultrasound-assisted synthesis and biological activity of nanosized supramolecular coordination polymers of silver(I) with chloride, thiocyanate, and 4,4′-bipyridine ligands Amsterdam [u.a.] volume:77 year:2020 pages:0 |
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Ultrasound-assisted synthesis and biological activity of nanosized supramolecular coordination polymers of silver(I) with chloride, thiocyanate, and 4,4′-bipyridine ligands |
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The ZnO NRs are synthesized by a low temperature two-step hydrothermal method on n-type silicon substrate. Scanning electron microscopy (SEM), photoluminescence (PL) spectroscopy and current–voltage (I–V) measurements are employed to study the morphology, charge transport, and device performance of the fabricated structures. Vertically aligned ZnO NRs are covered with a thick polymer layer to form an heterojunction based photodiode. Graphite and GaIn eutectic (e-GaIn) are used as ohmic contacts to PEDOT:PPS film and Si substrate, respectively. Basic electrical parameters for e-GaIn/Si/ZnO/PEDOT:PSS/Graphite structure are calculated from the I–V characteristics. These structures also show high sensitivity to UV light illumination with a large degree of reproducibility. 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Ultrasound-assisted synthesis and biological activity of nanosized supramolecular coordination polymers of silver(I) with chloride, thiocyanate, and 4,4′-bipyridine ligands |
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Ultrasound-assisted synthesis and biological activity of nanosized supramolecular coordination polymers of silver(I) with chloride, thiocyanate, and 4,4′-bipyridine ligands |
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improvement of uv photodetection based on polymer/zno nanorod heterojunctions |
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The improvement of UV photodetection based on polymer/ZnO nanorod heterojunctions |
abstract |
We report on the fabrication of rectifying junctions between n-type ZnO nanorods (NRs) and p-type polymer (poly(3,4ethylenedioxythiophene):poly(styrenesulfonate) (PEDOT:PSS). The ZnO NRs are synthesized by a low temperature two-step hydrothermal method on n-type silicon substrate. Scanning electron microscopy (SEM), photoluminescence (PL) spectroscopy and current–voltage (I–V) measurements are employed to study the morphology, charge transport, and device performance of the fabricated structures. Vertically aligned ZnO NRs are covered with a thick polymer layer to form an heterojunction based photodiode. Graphite and GaIn eutectic (e-GaIn) are used as ohmic contacts to PEDOT:PPS film and Si substrate, respectively. Basic electrical parameters for e-GaIn/Si/ZnO/PEDOT:PSS/Graphite structure are calculated from the I–V characteristics. These structures also show high sensitivity to UV light illumination with a large degree of reproducibility. Furthermore, we demonstrate that by using the photovoltaic effect, the photodetector can operate as self-powered without consuming external energy. |
abstractGer |
We report on the fabrication of rectifying junctions between n-type ZnO nanorods (NRs) and p-type polymer (poly(3,4ethylenedioxythiophene):poly(styrenesulfonate) (PEDOT:PSS). The ZnO NRs are synthesized by a low temperature two-step hydrothermal method on n-type silicon substrate. Scanning electron microscopy (SEM), photoluminescence (PL) spectroscopy and current–voltage (I–V) measurements are employed to study the morphology, charge transport, and device performance of the fabricated structures. Vertically aligned ZnO NRs are covered with a thick polymer layer to form an heterojunction based photodiode. Graphite and GaIn eutectic (e-GaIn) are used as ohmic contacts to PEDOT:PPS film and Si substrate, respectively. Basic electrical parameters for e-GaIn/Si/ZnO/PEDOT:PSS/Graphite structure are calculated from the I–V characteristics. These structures also show high sensitivity to UV light illumination with a large degree of reproducibility. Furthermore, we demonstrate that by using the photovoltaic effect, the photodetector can operate as self-powered without consuming external energy. |
abstract_unstemmed |
We report on the fabrication of rectifying junctions between n-type ZnO nanorods (NRs) and p-type polymer (poly(3,4ethylenedioxythiophene):poly(styrenesulfonate) (PEDOT:PSS). The ZnO NRs are synthesized by a low temperature two-step hydrothermal method on n-type silicon substrate. Scanning electron microscopy (SEM), photoluminescence (PL) spectroscopy and current–voltage (I–V) measurements are employed to study the morphology, charge transport, and device performance of the fabricated structures. Vertically aligned ZnO NRs are covered with a thick polymer layer to form an heterojunction based photodiode. Graphite and GaIn eutectic (e-GaIn) are used as ohmic contacts to PEDOT:PPS film and Si substrate, respectively. Basic electrical parameters for e-GaIn/Si/ZnO/PEDOT:PSS/Graphite structure are calculated from the I–V characteristics. These structures also show high sensitivity to UV light illumination with a large degree of reproducibility. Furthermore, we demonstrate that by using the photovoltaic effect, the photodetector can operate as self-powered without consuming external energy. |
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The improvement of UV photodetection based on polymer/ZnO nanorod heterojunctions |
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https://doi.org/10.1016/j.orgel.2019.105545 |
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