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Nanotextured Surface on Flexographic Printed ZnO Thin Films for Low-Cost Non-Faradaic Biosensors

Abdulaziz K. Assaifan, Jonathan Lloyd, Siamak Samavat, Davide Deganello Orcid Logo, Richard J. Stanton, Vincent Teng Orcid Logo

ACS Applied Materials & Interfaces, Volume: 8, Issue: 49, Pages: 33802 - 33810

Swansea University Authors: Jonathan Lloyd, Siamak Samavat, Davide Deganello Orcid Logo, Vincent Teng Orcid Logo

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DOI (Published version): 10.1021/acsami.6b11640

Abstract

In this work, the formation of a nanotextured surface is reported on flexographic printed zinc oxide thin films which provide an excellent platform for low-cost, highly sensitive biosensing applications. The ability to produce nanotextured surfaces using a high throughput, roll-to-roll production me...

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Published in: ACS Applied Materials & Interfaces
ISSN: 1944-8244 1944-8252
Published: 2016
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URI: https://cronfa.swan.ac.uk/Record/cronfa31228
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spelling 2021-01-29T11:43:56.3684737 v2 31228 2016-11-24 Nanotextured Surface on Flexographic Printed ZnO Thin Films for Low-Cost Non-Faradaic Biosensors b076d08ce65a717d95c4827396265954 Jonathan Lloyd Jonathan Lloyd true false ee2cad35dbe40eb78576fdbf6dc90fbd Siamak Samavat Siamak Samavat true false ea38a0040bdfd3875506189e3629b32a 0000-0001-8341-4177 Davide Deganello Davide Deganello true false 98f529f56798da1ba3e6e93d2817c114 0000-0003-4325-8573 Vincent Teng Vincent Teng true false 2016-11-24 EEN In this work, the formation of a nanotextured surface is reported on flexographic printed zinc oxide thin films which provide an excellent platform for low-cost, highly sensitive biosensing applications. The ability to produce nanotextured surfaces using a high throughput, roll-to-roll production method directly from precursor ink without any complicated processes is commercially attractive for biosensors that are suitable for large scale screening of diseases at low cost. The zinc oxide thin film was formed by printing a zinc acetate precursor ink solution and annealing at 300C. An intricate nanotexturing of the film surface was achieved through 150C drying process between multiple prints. These surface nanostructures were found to be in the range of 100 to 700 nm in length with a width of 58  18 nm and a height of between 20 and 60 nm. Such structures significantly increase the surface area to volume ratio of the biosensing material which is essential to high sensitivity detection of diseases. Non-faradaic electrochemical impedance spectroscopy measurements were carried out to detect the pp65-antigen of the human cytomegalovirus using the printed device, which has a low limit of detection of 5 pg/ml. Journal Article ACS Applied Materials & Interfaces 8 49 33802 33810 1944-8244 1944-8252 14 12 2016 2016-12-14 10.1021/acsami.6b11640 COLLEGE NANME Engineering COLLEGE CODE EEN Swansea University 2021-01-29T11:43:56.3684737 2016-11-24T15:06:23.7609644 Faculty of Science and Engineering School of Aerospace, Civil, Electrical, General and Mechanical Engineering - Electronic and Electrical Engineering Abdulaziz K. Assaifan 1 Jonathan Lloyd 2 Siamak Samavat 3 Davide Deganello 0000-0001-8341-4177 4 Richard J. Stanton 5 Vincent Teng 0000-0003-4325-8573 6 0031228-24112016151823.pdf assaifan2016v3.pdf 2016-11-24T15:18:23.6970000 Output 831203 application/pdf Accepted Manuscript true 2017-11-21T00:00:00.0000000 true eng
title Nanotextured Surface on Flexographic Printed ZnO Thin Films for Low-Cost Non-Faradaic Biosensors
spellingShingle Nanotextured Surface on Flexographic Printed ZnO Thin Films for Low-Cost Non-Faradaic Biosensors
Jonathan Lloyd
Siamak Samavat
Davide Deganello
Vincent Teng
title_short Nanotextured Surface on Flexographic Printed ZnO Thin Films for Low-Cost Non-Faradaic Biosensors
title_full Nanotextured Surface on Flexographic Printed ZnO Thin Films for Low-Cost Non-Faradaic Biosensors
title_fullStr Nanotextured Surface on Flexographic Printed ZnO Thin Films for Low-Cost Non-Faradaic Biosensors
title_full_unstemmed Nanotextured Surface on Flexographic Printed ZnO Thin Films for Low-Cost Non-Faradaic Biosensors
title_sort Nanotextured Surface on Flexographic Printed ZnO Thin Films for Low-Cost Non-Faradaic Biosensors
author_id_str_mv b076d08ce65a717d95c4827396265954
ee2cad35dbe40eb78576fdbf6dc90fbd
ea38a0040bdfd3875506189e3629b32a
98f529f56798da1ba3e6e93d2817c114
author_id_fullname_str_mv b076d08ce65a717d95c4827396265954_***_Jonathan Lloyd
ee2cad35dbe40eb78576fdbf6dc90fbd_***_Siamak Samavat
ea38a0040bdfd3875506189e3629b32a_***_Davide Deganello
98f529f56798da1ba3e6e93d2817c114_***_Vincent Teng
author Jonathan Lloyd
Siamak Samavat
Davide Deganello
Vincent Teng
author2 Abdulaziz K. Assaifan
Jonathan Lloyd
Siamak Samavat
Davide Deganello
Richard J. Stanton
Vincent Teng
format Journal article
container_title ACS Applied Materials & Interfaces
container_volume 8
container_issue 49
container_start_page 33802
publishDate 2016
institution Swansea University
issn 1944-8244
1944-8252
doi_str_mv 10.1021/acsami.6b11640
college_str Faculty of Science and Engineering
hierarchytype
hierarchy_top_id facultyofscienceandengineering
hierarchy_top_title Faculty of Science and Engineering
hierarchy_parent_id facultyofscienceandengineering
hierarchy_parent_title Faculty of Science and Engineering
department_str School of Aerospace, Civil, Electrical, General and Mechanical Engineering - Electronic and Electrical Engineering{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Aerospace, Civil, Electrical, General and Mechanical Engineering - Electronic and Electrical Engineering
document_store_str 1
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description In this work, the formation of a nanotextured surface is reported on flexographic printed zinc oxide thin films which provide an excellent platform for low-cost, highly sensitive biosensing applications. The ability to produce nanotextured surfaces using a high throughput, roll-to-roll production method directly from precursor ink without any complicated processes is commercially attractive for biosensors that are suitable for large scale screening of diseases at low cost. The zinc oxide thin film was formed by printing a zinc acetate precursor ink solution and annealing at 300C. An intricate nanotexturing of the film surface was achieved through 150C drying process between multiple prints. These surface nanostructures were found to be in the range of 100 to 700 nm in length with a width of 58  18 nm and a height of between 20 and 60 nm. Such structures significantly increase the surface area to volume ratio of the biosensing material which is essential to high sensitivity detection of diseases. Non-faradaic electrochemical impedance spectroscopy measurements were carried out to detect the pp65-antigen of the human cytomegalovirus using the printed device, which has a low limit of detection of 5 pg/ml.
published_date 2016-12-14T03:38:08Z
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