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A facile method to obtain colloidal dispersions of nickel hydroxide: Improving the processing of nickel oxide and facilitating its upscaling for perovskite-type solar devices

Rafa Marti Valls, Rodrigo Garcia Rodriguez, Diana Meza Rojas, Tom Dunlop Orcid Logo, Eurig Jones, Suzanne Thomas, Matthew Davies Orcid Logo, Peter Holliman Orcid Logo, Jenny Baker, Cecile Charbonneau

Colloids and Surfaces A: Physicochemical and Engineering Aspects, Volume: 698, Start page: 134524

Swansea University Authors: Rafa Marti Valls, Rodrigo Garcia Rodriguez, Diana Meza Rojas, Tom Dunlop Orcid Logo, Eurig Jones, Suzanne Thomas, Matthew Davies Orcid Logo, Peter Holliman Orcid Logo, Jenny Baker, Cecile Charbonneau

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DOI (Published version): 10.1016/j.colsurfa.2024.134524

Abstract

Nickel hydroxide has been successfully employed as a precursor to the widely used, inorganic hole transport material (HTM) nickel oxide (NiOx). However, manufacturing NiOx HTM layers from nickel hydroxide is more complicated than those involving organometallic precursors due to its poor solubility/d...

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Published in: Colloids and Surfaces A: Physicochemical and Engineering Aspects
ISSN: 0927-7757 1873-4359
Published: Elsevier BV 2024
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URI: https://cronfa.swan.ac.uk/Record/cronfa66717
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However, manufacturing NiOx HTM layers from nickel hydroxide is more complicated than those involving organometallic precursors due to its poor solubility/dispersibility. We report here a substantial increase in nickel hydroxide dispersibility in organic solvents by complexing it with monoethanolamine. These improvements have enabled us to develop a simpler method for processing nickel hydroxide that resemble the known sol-gel method. The new metal complex remains dispersed for months and converts to nickel oxide at a temperature similar to that of nickel hydroxide (270-300 &#xBA;C). An extensive characterisation of NiOx films obtained from the deposited precursor has been carried out. Perovskites solar cells have also been built with these films as a proof of concept, showing promising results for the layers sintered at low (270 &#xBA;C) and high (500 &#xBA;C) temperatures. The pixel with highest efficiency for both sintering temperatures were 14.7% and 16.7%, respectively, which are close to or surpass the ones of the control samples (15.4% and 15.7%, respectively). The applied unpaired t-test statistical method showed that the mean efficiency values for our thick samples prepared at 270 oC are not statistically different from those of the control cells. Furthermore, the samples prepared at 500 oC presented a significant statistical difference with the control cells, showing higher average efficiencies (12.8% and 13.3% versus 11.4% and 11.7%, reverse and forward measurements, respectively). The simplicity of the manufacturing method developed, together with the use of non-toxic organic compounds for its preparation and the promising results observed in solar devices, makes it suitable for being upscaled.</abstract><type>Journal Article</type><journal>Colloids and Surfaces A: Physicochemical and Engineering Aspects</journal><volume>698</volume><journalNumber/><paginationStart>134524</paginationStart><paginationEnd/><publisher>Elsevier BV</publisher><placeOfPublication/><isbnPrint/><isbnElectronic/><issnPrint>0927-7757</issnPrint><issnElectronic>1873-4359</issnElectronic><keywords>Nickel hydroxide; nickel oxide; semiconductor processing; nanoparticle dispersion; perovskite solar cells</keywords><publishedDay>5</publishedDay><publishedMonth>10</publishedMonth><publishedYear>2024</publishedYear><publishedDate>2024-10-05</publishedDate><doi>10.1016/j.colsurfa.2024.134524</doi><url/><notes/><college>COLLEGE NANME</college><department>Engineering and Applied Sciences School</department><CollegeCode>COLLEGE CODE</CollegeCode><DepartmentCode>EAAS</DepartmentCode><institution>Swansea University</institution><apcterm>SU Library paid the OA fee (TA Institutional Deal)</apcterm><funders>This research was funded by the 2014-2020 Structural Funds programme supporting the ERDF funded SPECIFIC 2 project and Engineering and Physical Sciences Research Council (EPSRC) through the SPECIFIC Innovation and Knowledge Centre (EP/N020863/1). We gratefully acknowledge funding from the EPSRC ECR Fellowship NoRESt EP/S03711X/1 (RMV and JB), EPSRC EP/P030068/1 (PJH), EP/S018107/1 (EWR) and the EU SPARC-II (DMR). RGR would like to acknowledge the IMPACT operation which has been part-funded by the European Regional Development Fund through the Welsh Government and Swansea University. The XPS, XRD and Raman systems were financed by S&#xEA;r Cymru Solar, a project funded by the Welsh Assembly Government. 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spelling 2024-10-29T11:39:11.2582326 v2 66717 2024-06-13 A facile method to obtain colloidal dispersions of nickel hydroxide: Improving the processing of nickel oxide and facilitating its upscaling for perovskite-type solar devices 3f66e788c2861c4fa140463063ade7c1 Rafa Marti Valls Rafa Marti Valls true false fb0f6e1eeb02aedee895b457faa35445 Rodrigo Garcia Rodriguez Rodrigo Garcia Rodriguez true false 92aa16279e84326a8b8a808af38a7fdc Diana Meza Rojas Diana Meza Rojas true false 809395460ab1e6b53a906b136d919c41 0000-0002-5851-8713 Tom Dunlop Tom Dunlop true false c6d92fb58a378914f3fdff316a9b4b29 Eurig Jones Eurig Jones true false 674e6b012f2118ade7bd8a2fc288595f Suzanne Thomas Suzanne Thomas true false 4ad478e342120ca3434657eb13527636 0000-0003-2595-5121 Matthew Davies Matthew Davies true false c8f52394d776279c9c690dc26066ddf9 0000-0002-9911-8513 Peter Holliman Peter Holliman true false 6913b56f36f0c8cd34d8c9040d2df460 Jenny Baker Jenny Baker true false 4dc059714847cb22ed922ab058950560 Cecile Charbonneau Cecile Charbonneau true false 2024-06-13 EAAS Nickel hydroxide has been successfully employed as a precursor to the widely used, inorganic hole transport material (HTM) nickel oxide (NiOx). However, manufacturing NiOx HTM layers from nickel hydroxide is more complicated than those involving organometallic precursors due to its poor solubility/dispersibility. We report here a substantial increase in nickel hydroxide dispersibility in organic solvents by complexing it with monoethanolamine. These improvements have enabled us to develop a simpler method for processing nickel hydroxide that resemble the known sol-gel method. The new metal complex remains dispersed for months and converts to nickel oxide at a temperature similar to that of nickel hydroxide (270-300 ºC). An extensive characterisation of NiOx films obtained from the deposited precursor has been carried out. Perovskites solar cells have also been built with these films as a proof of concept, showing promising results for the layers sintered at low (270 ºC) and high (500 ºC) temperatures. The pixel with highest efficiency for both sintering temperatures were 14.7% and 16.7%, respectively, which are close to or surpass the ones of the control samples (15.4% and 15.7%, respectively). The applied unpaired t-test statistical method showed that the mean efficiency values for our thick samples prepared at 270 oC are not statistically different from those of the control cells. Furthermore, the samples prepared at 500 oC presented a significant statistical difference with the control cells, showing higher average efficiencies (12.8% and 13.3% versus 11.4% and 11.7%, reverse and forward measurements, respectively). The simplicity of the manufacturing method developed, together with the use of non-toxic organic compounds for its preparation and the promising results observed in solar devices, makes it suitable for being upscaled. Journal Article Colloids and Surfaces A: Physicochemical and Engineering Aspects 698 134524 Elsevier BV 0927-7757 1873-4359 Nickel hydroxide; nickel oxide; semiconductor processing; nanoparticle dispersion; perovskite solar cells 5 10 2024 2024-10-05 10.1016/j.colsurfa.2024.134524 COLLEGE NANME Engineering and Applied Sciences School COLLEGE CODE EAAS Swansea University SU Library paid the OA fee (TA Institutional Deal) This research was funded by the 2014-2020 Structural Funds programme supporting the ERDF funded SPECIFIC 2 project and Engineering and Physical Sciences Research Council (EPSRC) through the SPECIFIC Innovation and Knowledge Centre (EP/N020863/1). We gratefully acknowledge funding from the EPSRC ECR Fellowship NoRESt EP/S03711X/1 (RMV and JB), EPSRC EP/P030068/1 (PJH), EP/S018107/1 (EWR) and the EU SPARC-II (DMR). RGR would like to acknowledge the IMPACT operation which has been part-funded by the European Regional Development Fund through the Welsh Government and Swansea University. The XPS, XRD and Raman systems were financed by Sêr Cymru Solar, a project funded by the Welsh Assembly Government. We would like to thank the access to characterisation equipment to Swansea University Advanced Imaging of Materials (AIM) facility, which was funded in part by the EPSRC (EP/M028267/1) and the European Regional Development Fund through the Welsh Government (80708). 2024-10-29T11:39:11.2582326 2024-06-13T09:52:15.1299898 Faculty of Science and Engineering School of Aerospace, Civil, Electrical, General and Mechanical Engineering - Electronic and Electrical Engineering Rafa Marti Valls 1 Rodrigo Garcia Rodriguez 2 Diana Meza Rojas 3 Tom Dunlop 0000-0002-5851-8713 4 Eurig Jones 5 Suzanne Thomas 6 Matthew Davies 0000-0003-2595-5121 7 Peter Holliman 0000-0002-9911-8513 8 Jenny Baker 9 Cecile Charbonneau 10 66717__30845__aab76900e23946a9b32e7519b7fcbedf.pdf 66717.VoR.pdf 2024-07-08T15:43:36.1535684 Output 6331704 application/pdf Version of Record true © 2024 The Authors. This is an open access article under the CC BY license. true eng http://creativecommons.org/licenses/by/4.0/
title A facile method to obtain colloidal dispersions of nickel hydroxide: Improving the processing of nickel oxide and facilitating its upscaling for perovskite-type solar devices
spellingShingle A facile method to obtain colloidal dispersions of nickel hydroxide: Improving the processing of nickel oxide and facilitating its upscaling for perovskite-type solar devices
Rafa Marti Valls
Rodrigo Garcia Rodriguez
Diana Meza Rojas
Tom Dunlop
Eurig Jones
Suzanne Thomas
Matthew Davies
Peter Holliman
Jenny Baker
Cecile Charbonneau
title_short A facile method to obtain colloidal dispersions of nickel hydroxide: Improving the processing of nickel oxide and facilitating its upscaling for perovskite-type solar devices
title_full A facile method to obtain colloidal dispersions of nickel hydroxide: Improving the processing of nickel oxide and facilitating its upscaling for perovskite-type solar devices
title_fullStr A facile method to obtain colloidal dispersions of nickel hydroxide: Improving the processing of nickel oxide and facilitating its upscaling for perovskite-type solar devices
title_full_unstemmed A facile method to obtain colloidal dispersions of nickel hydroxide: Improving the processing of nickel oxide and facilitating its upscaling for perovskite-type solar devices
title_sort A facile method to obtain colloidal dispersions of nickel hydroxide: Improving the processing of nickel oxide and facilitating its upscaling for perovskite-type solar devices
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author_id_fullname_str_mv 3f66e788c2861c4fa140463063ade7c1_***_Rafa Marti Valls
fb0f6e1eeb02aedee895b457faa35445_***_Rodrigo Garcia Rodriguez
92aa16279e84326a8b8a808af38a7fdc_***_Diana Meza Rojas
809395460ab1e6b53a906b136d919c41_***_Tom Dunlop
c6d92fb58a378914f3fdff316a9b4b29_***_Eurig Jones
674e6b012f2118ade7bd8a2fc288595f_***_Suzanne Thomas
4ad478e342120ca3434657eb13527636_***_Matthew Davies
c8f52394d776279c9c690dc26066ddf9_***_Peter Holliman
6913b56f36f0c8cd34d8c9040d2df460_***_Jenny Baker
4dc059714847cb22ed922ab058950560_***_Cecile Charbonneau
author Rafa Marti Valls
Rodrigo Garcia Rodriguez
Diana Meza Rojas
Tom Dunlop
Eurig Jones
Suzanne Thomas
Matthew Davies
Peter Holliman
Jenny Baker
Cecile Charbonneau
author2 Rafa Marti Valls
Rodrigo Garcia Rodriguez
Diana Meza Rojas
Tom Dunlop
Eurig Jones
Suzanne Thomas
Matthew Davies
Peter Holliman
Jenny Baker
Cecile Charbonneau
format Journal article
container_title Colloids and Surfaces A: Physicochemical and Engineering Aspects
container_volume 698
container_start_page 134524
publishDate 2024
institution Swansea University
issn 0927-7757
1873-4359
doi_str_mv 10.1016/j.colsurfa.2024.134524
publisher Elsevier BV
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
active_str 0
description Nickel hydroxide has been successfully employed as a precursor to the widely used, inorganic hole transport material (HTM) nickel oxide (NiOx). However, manufacturing NiOx HTM layers from nickel hydroxide is more complicated than those involving organometallic precursors due to its poor solubility/dispersibility. We report here a substantial increase in nickel hydroxide dispersibility in organic solvents by complexing it with monoethanolamine. These improvements have enabled us to develop a simpler method for processing nickel hydroxide that resemble the known sol-gel method. The new metal complex remains dispersed for months and converts to nickel oxide at a temperature similar to that of nickel hydroxide (270-300 ºC). An extensive characterisation of NiOx films obtained from the deposited precursor has been carried out. Perovskites solar cells have also been built with these films as a proof of concept, showing promising results for the layers sintered at low (270 ºC) and high (500 ºC) temperatures. The pixel with highest efficiency for both sintering temperatures were 14.7% and 16.7%, respectively, which are close to or surpass the ones of the control samples (15.4% and 15.7%, respectively). The applied unpaired t-test statistical method showed that the mean efficiency values for our thick samples prepared at 270 oC are not statistically different from those of the control cells. Furthermore, the samples prepared at 500 oC presented a significant statistical difference with the control cells, showing higher average efficiencies (12.8% and 13.3% versus 11.4% and 11.7%, reverse and forward measurements, respectively). The simplicity of the manufacturing method developed, together with the use of non-toxic organic compounds for its preparation and the promising results observed in solar devices, makes it suitable for being upscaled.
published_date 2024-10-05T05:32:09Z
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score 11.390808

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