Hybrid ZnO Flowers-Rods Nanostructure for Improved Photodetection Compared to Standalone Flowers and Rods
Different Zinc Oxide (ZnO) morphologies have been used to improve photodetector efficiencies for optoelectronic applications. Herein, we present the very novel hybrid ZnO flower-rod (HZFR) morphology, to improve photodetector response and efficiency when compared to the prevalently used ZnO nanorods...
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| Veröffentlicht in: | Coatings (Basel) 2021-12, Vol.11 (12), p.1464 |
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| creator | Al-Enizi, Abdullah M. Shaikh, Shoyebmohamad F. Tamboli, Asiya M. Marium, Afifa Ijaz, Muhammad Fazal Ubaidullah, Mohd Moydeen Abdulhameed, Meera Ekar, Satish U. |
| description | Different Zinc Oxide (ZnO) morphologies have been used to improve photodetector efficiencies for optoelectronic applications. Herein, we present the very novel hybrid ZnO flower-rod (HZFR) morphology, to improve photodetector response and efficiency when compared to the prevalently used ZnO nanorods (NRs) and ZnO nanoflowers (NFs). The HZFR was fabricated via sol-gel microwave-assisted hydrothermal methods. HZFR achieves the benefits of both NFs, by trapping a greater amount of UV light for the generation of e-h pairs, and NRs, by effectively transporting the generated e-h pairs to the channel. The fabricated photosensors were characterized with scanning electron microscopy, X-ray diffraction, photoluminescence, and a Keithley 4200A-SCS parameter analyzer for their morphology, structural characteristics, optical performance, and electrical characteristics, respectively. The transient current response, current-voltage characteristics, and responsivity measurements were set as a benchmark of success to compare the sensor response of the three different morphologies. It was found that the novel HZFR showed the best UV sensor performance with the fastest response time (~7 s), the highest on-off ratio (52), and the best responsivity (126 A/W) when compared to the NRs and NFs. Hence, it was inferred that the HZFR morphology would be a great addition to the ZnO family for photodetector applications. |
| doi_str_mv | 10.3390/coatings11121464 |
| format | Article |
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Herein, we present the very novel hybrid ZnO flower-rod (HZFR) morphology, to improve photodetector response and efficiency when compared to the prevalently used ZnO nanorods (NRs) and ZnO nanoflowers (NFs). The HZFR was fabricated via sol-gel microwave-assisted hydrothermal methods. HZFR achieves the benefits of both NFs, by trapping a greater amount of UV light for the generation of e-h pairs, and NRs, by effectively transporting the generated e-h pairs to the channel. The fabricated photosensors were characterized with scanning electron microscopy, X-ray diffraction, photoluminescence, and a Keithley 4200A-SCS parameter analyzer for their morphology, structural characteristics, optical performance, and electrical characteristics, respectively. The transient current response, current-voltage characteristics, and responsivity measurements were set as a benchmark of success to compare the sensor response of the three different morphologies. It was found that the novel HZFR showed the best UV sensor performance with the fastest response time (~7 s), the highest on-off ratio (52), and the best responsivity (126 A/W) when compared to the NRs and NFs. Hence, it was inferred that the HZFR morphology would be a great addition to the ZnO family for photodetector applications.</description><identifier>ISSN: 2079-6412</identifier><identifier>EISSN: 2079-6412</identifier><identifier>DOI: 10.3390/coatings11121464</identifier><language>eng</language><publisher>Basel: MDPI AG</publisher><subject>Current voltage characteristics ; Glass substrates ; Methods ; Microwaves ; Molecular beam epitaxy ; Morphology ; Nanoparticles ; Nanorods ; Nitrates ; Optoelectronics ; Organic chemicals ; Photoluminescence ; Photometers ; Photonics ; Quantum dots ; Response time ; Scanning electron microscopy ; Seeds ; Sensors ; Sol-gel processes ; Transient current ; Ultraviolet radiation ; Zinc oxide</subject><ispartof>Coatings (Basel), 2021-12, Vol.11 (12), p.1464</ispartof><rights>2021 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/). 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Hence, it was inferred that the HZFR morphology would be a great addition to the ZnO family for photodetector applications.</description><subject>Current voltage characteristics</subject><subject>Glass substrates</subject><subject>Methods</subject><subject>Microwaves</subject><subject>Molecular beam epitaxy</subject><subject>Morphology</subject><subject>Nanoparticles</subject><subject>Nanorods</subject><subject>Nitrates</subject><subject>Optoelectronics</subject><subject>Organic chemicals</subject><subject>Photoluminescence</subject><subject>Photometers</subject><subject>Photonics</subject><subject>Quantum dots</subject><subject>Response time</subject><subject>Scanning electron microscopy</subject><subject>Seeds</subject><subject>Sensors</subject><subject>Sol-gel processes</subject><subject>Transient current</subject><subject>Ultraviolet radiation</subject><subject>Zinc oxide</subject><issn>2079-6412</issn><issn>2079-6412</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2021</creationdate><recordtype>article</recordtype><sourceid>BENPR</sourceid><recordid>eNpdUE1LAzEQDaJg0d49Bjyv7iS7m92jFGsLxYofFy9LNpnoljapSVbpvzelCuLMYYbH472ZR8gF5FecN_m1cjL29i0AAIOiKo7IiOWiyaoC2PGf_ZSMQ1jlqRrgNTQj0s92ne81fbVLOl27L_Qhe3Q60HtpXYh-UHHwSI3zdL7ZeveJmj68u-g0RlSxd5ZO3GYrfcKjo09RWi3XzuKvGk0A3SuekxMj1wHHP_OMvExvnyezbLG8m09uFpniwGPGFIiy5gYFK2o0ZWdKjazWGgGl4F1V6C7905mEATMShClBqLJoqtRg-Bm5POimaz8GDLFducHbZNmyCpioGFRlYuUHlvIuBI-m3fp-I_2uhbzdZ9r-z5R_A1mwbPU</recordid><startdate>20211201</startdate><enddate>20211201</enddate><creator>Al-Enizi, Abdullah M.</creator><creator>Shaikh, Shoyebmohamad F.</creator><creator>Tamboli, Asiya M.</creator><creator>Marium, Afifa</creator><creator>Ijaz, Muhammad Fazal</creator><creator>Ubaidullah, Mohd</creator><creator>Moydeen Abdulhameed, Meera</creator><creator>Ekar, Satish U.</creator><general>MDPI AG</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>8BQ</scope><scope>8FD</scope><scope>8FE</scope><scope>8FG</scope><scope>ABJCF</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>AZQEC</scope><scope>BENPR</scope><scope>BGLVJ</scope><scope>CCPQU</scope><scope>D1I</scope><scope>DWQXO</scope><scope>HCIFZ</scope><scope>JG9</scope><scope>KB.</scope><scope>PDBOC</scope><scope>PIMPY</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope><orcidid>https://orcid.org/0000-0002-0484-0299</orcidid><orcidid>https://orcid.org/0000-0001-5394-7933</orcidid><orcidid>https://orcid.org/0000-0002-2137-324X</orcidid><orcidid>https://orcid.org/0000-0002-3967-5553</orcidid><orcidid>https://orcid.org/0000-0001-5206-272X</orcidid></search><sort><creationdate>20211201</creationdate><title>Hybrid ZnO Flowers-Rods Nanostructure for Improved Photodetection Compared to Standalone Flowers and Rods</title><author>Al-Enizi, Abdullah M. ; Shaikh, Shoyebmohamad F. ; Tamboli, Asiya M. ; Marium, Afifa ; Ijaz, Muhammad Fazal ; Ubaidullah, Mohd ; Moydeen Abdulhameed, Meera ; Ekar, Satish U.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c313t-2c17583fe7248ef5bf5de28dde1ea73b64db207bf28d12fa17f517c54969691f3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2021</creationdate><topic>Current voltage characteristics</topic><topic>Glass substrates</topic><topic>Methods</topic><topic>Microwaves</topic><topic>Molecular beam epitaxy</topic><topic>Morphology</topic><topic>Nanoparticles</topic><topic>Nanorods</topic><topic>Nitrates</topic><topic>Optoelectronics</topic><topic>Organic chemicals</topic><topic>Photoluminescence</topic><topic>Photometers</topic><topic>Photonics</topic><topic>Quantum dots</topic><topic>Response time</topic><topic>Scanning electron microscopy</topic><topic>Seeds</topic><topic>Sensors</topic><topic>Sol-gel processes</topic><topic>Transient current</topic><topic>Ultraviolet radiation</topic><topic>Zinc oxide</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Al-Enizi, Abdullah M.</creatorcontrib><creatorcontrib>Shaikh, Shoyebmohamad F.</creatorcontrib><creatorcontrib>Tamboli, Asiya M.</creatorcontrib><creatorcontrib>Marium, Afifa</creatorcontrib><creatorcontrib>Ijaz, Muhammad Fazal</creatorcontrib><creatorcontrib>Ubaidullah, Mohd</creatorcontrib><creatorcontrib>Moydeen Abdulhameed, Meera</creatorcontrib><creatorcontrib>Ekar, Satish U.</creatorcontrib><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>ProQuest SciTech Collection</collection><collection>ProQuest Technology Collection</collection><collection>Materials Science & Engineering Collection</collection><collection>ProQuest Central (Alumni Edition)</collection><collection>ProQuest Central UK/Ireland</collection><collection>ProQuest Central Essentials</collection><collection>ProQuest Central</collection><collection>Technology Collection</collection><collection>ProQuest One Community College</collection><collection>ProQuest Materials Science Collection</collection><collection>ProQuest Central Korea</collection><collection>SciTech Premium Collection</collection><collection>Materials Research Database</collection><collection>Materials Science Database</collection><collection>Materials Science Collection</collection><collection>Publicly Available Content Database</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>ProQuest Central China</collection><jtitle>Coatings (Basel)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Al-Enizi, Abdullah M.</au><au>Shaikh, Shoyebmohamad F.</au><au>Tamboli, Asiya M.</au><au>Marium, Afifa</au><au>Ijaz, Muhammad Fazal</au><au>Ubaidullah, Mohd</au><au>Moydeen Abdulhameed, Meera</au><au>Ekar, Satish U.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Hybrid ZnO Flowers-Rods Nanostructure for Improved Photodetection Compared to Standalone Flowers and Rods</atitle><jtitle>Coatings (Basel)</jtitle><date>2021-12-01</date><risdate>2021</risdate><volume>11</volume><issue>12</issue><spage>1464</spage><pages>1464-</pages><issn>2079-6412</issn><eissn>2079-6412</eissn><abstract>Different Zinc Oxide (ZnO) morphologies have been used to improve photodetector efficiencies for optoelectronic applications. Herein, we present the very novel hybrid ZnO flower-rod (HZFR) morphology, to improve photodetector response and efficiency when compared to the prevalently used ZnO nanorods (NRs) and ZnO nanoflowers (NFs). The HZFR was fabricated via sol-gel microwave-assisted hydrothermal methods. HZFR achieves the benefits of both NFs, by trapping a greater amount of UV light for the generation of e-h pairs, and NRs, by effectively transporting the generated e-h pairs to the channel. The fabricated photosensors were characterized with scanning electron microscopy, X-ray diffraction, photoluminescence, and a Keithley 4200A-SCS parameter analyzer for their morphology, structural characteristics, optical performance, and electrical characteristics, respectively. The transient current response, current-voltage characteristics, and responsivity measurements were set as a benchmark of success to compare the sensor response of the three different morphologies. It was found that the novel HZFR showed the best UV sensor performance with the fastest response time (~7 s), the highest on-off ratio (52), and the best responsivity (126 A/W) when compared to the NRs and NFs. Hence, it was inferred that the HZFR morphology would be a great addition to the ZnO family for photodetector applications.</abstract><cop>Basel</cop><pub>MDPI AG</pub><doi>10.3390/coatings11121464</doi><orcidid>https://orcid.org/0000-0002-0484-0299</orcidid><orcidid>https://orcid.org/0000-0001-5394-7933</orcidid><orcidid>https://orcid.org/0000-0002-2137-324X</orcidid><orcidid>https://orcid.org/0000-0002-3967-5553</orcidid><orcidid>https://orcid.org/0000-0001-5206-272X</orcidid><oa>free_for_read</oa></addata></record> |
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| subjects | Current voltage characteristics Glass substrates Methods Microwaves Molecular beam epitaxy Morphology Nanoparticles Nanorods Nitrates Optoelectronics Organic chemicals Photoluminescence Photometers Photonics Quantum dots Response time Scanning electron microscopy Seeds Sensors Sol-gel processes Transient current Ultraviolet radiation Zinc oxide |
| title | Hybrid ZnO Flowers-Rods Nanostructure for Improved Photodetection Compared to Standalone Flowers and Rods |
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