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Synthesis of Single-Crystalline Lead Sulfide Nanoframes and Nanorings

Sascha Kull, Leonard Heymann, Ana B. Hungria, Christian Klinke Orcid Logo

Chemistry of Materials, Volume: 31, Issue: 15, Pages: 5646 - 5654

Swansea University Author: Christian Klinke Orcid Logo

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DOI (Published version): 10.1021/acs.chemmater.9b01508

Abstract

We present a colloidal synthesis strategy to obtain single-crystalline PbS nanorings. By controlling the ripening process in the presence of halide ions, a transformation of initial PbS nanosheets to framelike structures and finally to nanorings was achieved. We found that the competing ligands olei...

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Published in: Chemistry of Materials
ISSN: 0897-4756 1520-5002
Published: American Chemical Society (ACS) 2019
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URI: https://cronfa.swan.ac.uk/Record/cronfa52436
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first_indexed 2019-10-15T06:06:45Z
last_indexed 2021-09-10T03:12:06Z
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spelling 2021-09-09T17:36:29.3349468 v2 52436 2019-10-14 Synthesis of Single-Crystalline Lead Sulfide Nanoframes and Nanorings c10c44238eabfb203111f88a965f5372 0000-0001-8558-7389 Christian Klinke Christian Klinke true false 2019-10-14 CHEM We present a colloidal synthesis strategy to obtain single-crystalline PbS nanorings. By controlling the ripening process in the presence of halide ions, a transformation of initial PbS nanosheets to framelike structures and finally to nanorings was achieved. We found that the competing ligands oleic acid, oleate, and halide ions play an important role in the formation of these nanostructures. Therefore, we propose a formation mechanism based on a thermally induced ripening of crystal facets dependent on the surface passivation. With this method, it became possible to synthesize colloidal nanorings of cubic crystal phase galena PbS. The synthesis was followed via TEM, and the products are characterized by XRD, AFM, and STEM tomography. Control of the initial nanoframe morphology allows adjusting the later nanoring dimensions. Journal Article Chemistry of Materials 31 15 5646 5654 American Chemical Society (ACS) 0897-4756 1520-5002 13 8 2019 2019-08-13 10.1021/acs.chemmater.9b01508 http://dx.doi.org/10.1021/acs.chemmater.9b01508 COLLEGE NANME Chemistry COLLEGE CODE CHEM Swansea University 2021-09-09T17:36:29.3349468 2019-10-14T16:15:35.0364065 Faculty of Science and Engineering School of Engineering and Applied Sciences - Chemistry Sascha Kull 1 Leonard Heymann 2 Ana B. Hungria 3 Christian Klinke 0000-0001-8558-7389 4 52436__15595__ccdebbcaa4884d73b1db2b1aab4723c5.pdf Dai-Klinke-ZnS-Nanoplatelets-Manuscriptv2.pdf 2019-10-14T16:17:05.4070000 Output 1242212 application/pdf Accepted Manuscript true 2020-07-23T00:00:00.0000000 true eng
title Synthesis of Single-Crystalline Lead Sulfide Nanoframes and Nanorings
spellingShingle Synthesis of Single-Crystalline Lead Sulfide Nanoframes and Nanorings
Christian Klinke
title_short Synthesis of Single-Crystalline Lead Sulfide Nanoframes and Nanorings
title_full Synthesis of Single-Crystalline Lead Sulfide Nanoframes and Nanorings
title_fullStr Synthesis of Single-Crystalline Lead Sulfide Nanoframes and Nanorings
title_full_unstemmed Synthesis of Single-Crystalline Lead Sulfide Nanoframes and Nanorings
title_sort Synthesis of Single-Crystalline Lead Sulfide Nanoframes and Nanorings
author_id_str_mv c10c44238eabfb203111f88a965f5372
author_id_fullname_str_mv c10c44238eabfb203111f88a965f5372_***_Christian Klinke
author Christian Klinke
author2 Sascha Kull
Leonard Heymann
Ana B. Hungria
Christian Klinke
format Journal article
container_title Chemistry of Materials
container_volume 31
container_issue 15
container_start_page 5646
publishDate 2019
institution Swansea University
issn 0897-4756
1520-5002
doi_str_mv 10.1021/acs.chemmater.9b01508
publisher American Chemical Society (ACS)
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 Engineering and Applied Sciences - Chemistry{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Engineering and Applied Sciences - Chemistry
url http://dx.doi.org/10.1021/acs.chemmater.9b01508
document_store_str 1
active_str 0
description We present a colloidal synthesis strategy to obtain single-crystalline PbS nanorings. By controlling the ripening process in the presence of halide ions, a transformation of initial PbS nanosheets to framelike structures and finally to nanorings was achieved. We found that the competing ligands oleic acid, oleate, and halide ions play an important role in the formation of these nanostructures. Therefore, we propose a formation mechanism based on a thermally induced ripening of crystal facets dependent on the surface passivation. With this method, it became possible to synthesize colloidal nanorings of cubic crystal phase galena PbS. The synthesis was followed via TEM, and the products are characterized by XRD, AFM, and STEM tomography. Control of the initial nanoframe morphology allows adjusting the later nanoring dimensions.
published_date 2019-08-13T04:04:48Z
_version_ 1763753368692457472
score 11.035874

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