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The data quantify annual nanotech growth, nanotech share of total output, and activity shifts across countries, led by China and concentrated in South Africa. It further ranks top institutions and researchers by publication counts, share percentages, H5-index, and average citations per item for 20-year and 2019-only windows.",{"@graph":63,"@context":118},[64,80,101],{"@type":65,"itemListElement":66},"BreadcrumbList",[67,71,74,77],{"item":68,"name":69,"@type":70,"position":9},"https://docshare.wps.com","Home","ListItem",{"item":72,"name":10,"@type":70,"position":73},"https://docshare.wps.com/template/",2,{"item":75,"name":51,"@type":70,"position":76},"https://docshare.wps.com/template/general/",3,{"item":78,"name":59,"@type":70,"position":79},"https://docshare.wps.com/template/nanotechnology-convergence-in-africa-nanotech-publications-trend-and-bibliometric-profile-20002019/197807/",4,{"url":78,"name":59,"@type":81,"image":82,"author":87,"headline":59,"publisher":90,"fileFormat":93,"inLanguage":57,"description":61,"dateModified":94,"datePublished":95,"encodingFormat":93,"isAccessibleForFree":96,"interactionStatistic":97},"DigitalDocument",{"url":83,"@type":84,"width":85,"height":86},"https://docshare.wps.com/thumbnails/nanotechnology-convergence-in-africa-nanotech-publications-trend-and-bibliometric-profile-20002019/197807.png","ImageObject",442,249,{"name":88,"@type":89},"Jake","Person",{"url":68,"name":91,"@type":92},"DocShare","Organization","application/pdf","2026-09-20","2026-09-03",true,{"@type":98,"interactionType":99,"userInteractionCount":76},"InteractionCounter",{"@type":100},"ViewAction",{"@type":102,"mainEntity":103},"FAQPage",[104,110,114],{"name":105,"@type":106,"acceptedAnswer":107},"What does the 2000–2019 dataset measure in this document?","Question",{"text":108,"@type":109},"It measures nanotech publication counts, total WoS publications, nanotech share percentage, and annual nanotech growth across years 2000–2019.","Answer",{"name":111,"@type":106,"acceptedAnswer":112},"How are countries compared in the analysis?",{"text":113,"@type":109},"Countries are compared using nanotech publications, total WoS, nanotech ratio, and an activity index for both the 20-year period and the 2019 one-year window.",{"name":115,"@type":106,"acceptedAnswer":116},"Which entities are ranked, and by what metrics?",{"text":117,"@type":109},"The document ranks institutions and researchers using publication numbers and shares; it also includes H5-index and average citations per item for selected top entries.","https://schema.org",{"og:url":78,"og:type":120,"og:title":59,"og:site_name":91,"og:description":61},"article",{"robots":122,"canonical":78},"index,follow",{"doc_id":124,"site_id":56},197807,1788470910,{"code":4,"msg":5,"data":127},{"doc_id":124,"user_id":128,"nickname":88,"user_avatar":129,"doc_module":9,"category_id":50,"category_name":51,"doc_title":59,"doc_description":61,"doc_content":130,"file_id":131,"file_url":132,"file_type":133,"file_size":134,"view_count":76,"is_deleted":4,"is_public":9,"is_downloadable":9,"audit_status":9,"page_count":135,"language":136,"language_code":57,"site_id":56,"html_lang":57,"table_of_contents":137,"faqs":138,"seo_title":139,"seo_description":61,"update_tm":125,"read_time":140},962084928904,"https://ap-avatar.wpscdn.com/davatar_155a257f0dc6eb9ab79c44ca47cae57d","| This article is part of the topical collection on Nanotechnology Convergence in Africa |\n| --- |\n| Guest Editors: Mamadou Diallo, Abdessattar Abdelkefi, and Bhekie Mamba |\n\n| Year | Nanotech publications | Total\u003Cbr>publications | Nanotech\u003Cbr>share % | Annual nanotech\u003Cbr>growth % |\n| --- | --- | --- | --- | --- |\n| 2000 | 68 | 4950 | 1.4% |  |\n| 2001 | 83 | 4979 | 1.7% | 22% |\n| 2002 | 84 | 5384 | 1.6% | 1% |\n| 2003 | 96 | 5156 | 1.9% | 14% |\n| 2004 | 135 | 5767 | 2.3% | 41% |\n| 2005 | 163 | 6062 | 2.7% | 21% |\n| 2006 | 170 | 6955 | 2.4% | 4% |\n| 2007 | 245 | 8138 | 3.0% | 44% |\n| 2008 | 276 | 8931 | 3.1% | 13% |\n| 2009 | 337 | 9881 | 3.4% | 22% |\n| 2010 | 417 | 10,218 | 4.1% | 24% |\n| 2011 | 476 | 11,686 | 4.1% | 14% |\n| 2012 | 628 | 13,652 | 4.6% | 32% |\n| 2013 | 726 | 14,104 | 5.1% | 16% |\n| 2014 | 830 | 15,422 | 5.4% | 14% |\n| 2015 | 983 | 20,044 | 4.9% | 18% |\n| 2016 | 1199 | 21,982 | 5.5% | 22% |\n| 2017 | 1289 | 22,946 | 5.6% | 8% |\n| 2018 | 1388 | 23,782 | 5.8% | 8% |\n| 2019 | 1672 | 25,163 | 6.6% | 20% |\n| Total | 11,265 | 245,202 |  |  |\n\n\n| Number of Publications | 1800\u003Cbr>1600\u003Cbr>1400\u003Cbr>1200\u003Cbr>1000\u003Cbr>800\u003Cbr>600\u003Cbr>400\u003Cbr>200\u003Cbr>0 | \u003Cbr>\u003Cbr>Nano Publications WoS\u003Cbr>\u003Cbr>Nanotech Share % |  |  | 7.0%\u003Cbr>6.0%\u003Cbr>5.0%\u003Cbr>4.0%\u003Cbr>3.0%\u003Cbr>2.0%\u003Cbr>1.0%\u003Cbr>0.0% | Percentage Share of Nano |\n| --- | --- | --- | --- | --- | --- | --- |\n| |  |  | \u003Cbr>Year | |  |  |\n\n| 20-year period | 2000–2019 |  |  | Activity index | 1-year period 2019 |  |  |  |  |\n| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |\n| Country | Nano\u003Cbr>publications | Total WoS | Nano ratio |  | Country | Nano\u003Cbr>publications | Total WoS | Nano ratio | Activity index |\n| World | 2,718,619 | 40,331,494 | 0.067 | 1.00 | World | 260,675 | 3,168,362 | 0.082 | 1.00 |\n| China | 664,787 | 4,939,513 | 0.135 | 2.00 | China | 94,059 | 607,574 | 0.155 | 1.88 |\n| India | 165,351 | 1,312,591 | 0.126 | 1.87 | India | 22,399 | 140,491 | 0.159 | 1.94 |\n| Russia | 93,394 | 876,138 | 0.107 | 1.58 | Russia | 9447 | 91,764 | 0.103 | 1.25 |\n| Brazil | 45,656 | 874,857 | 0.052 | 0.77 | Brazil | 5211 | 87,818 | 0.059 | 0.72 |\n| South Africa | 11,264 | 245,202 | 0.046 | 0.68 | South Africa | 1672 | 26,190 | 0.064 | 0.78 |\n\n\n| 20-year period 2000–2019 |  |  | 1-year period 2019 |  |  |\n| --- | --- | --- | --- | --- | --- |\n| Institutions | Publications | Share % | Institutions | Publications | Share % |\n| 1) South Africa | 11 264 | 100% | South Africa | 1672 | 100% |\n| 2) University of Johannesburg | 1583 | 14% | University of Johannesburg | 355 | 21% |\n| 3) University of Witwatersrand | 1370 | 12% | University of KwaZulu Natal | 242 | 14% |\n| 4) University of KwaZulu Natal | 1286 | 11% | University of South Africa | 202 | 12% |\n| 5) Council Scientific & Industrial Research (CSIR) | 1044 | 9% | National Research Foundation (iThembaLABS) | 165 | 10% |\n| 6) University of Pretoria | 959 | 9% | University of Witwatersrand | 152 | 9% |\n| 7) University of Free State | 940 | 8% | University of Pretoria | 134 | 8% |\n| 8) University of Stellenbosch | 905 | 8% | University of The Free State | 129 | 8% |\n| 9) University of South Africa | 867 | 8% | Tshwane University of Technology | 118 | 7% |\n| 10) National Research Foundation (iThembaLABS) | 789 | 7% | Council Scientific & Industrial Research (CSIR) | 116 | 7% |\n| 11) University of Cape Town | 748 | 7% | University of the Western Cape | 105 | 6% |\n| 12) Rhodes University | 665 | 6% | North West University South Africa | 92 | 6% |\n| 13) University of the Western Cape | 642 | 6% | University of Stellenbosch | 80 | 5% |\n| 14) Tshwane University of Technology | 494 | 4% | University of Cape Town | 79 | 5% |\n| 15) North West University | 492 | 4% | Rhodes University | 62 | 4% |\n| 16) Nelson Mandela University | 327 | 3% | Durban University of Technology | 56 | 3% |\n| 17) University of Zululand | 260 | 2% | Nelson Mandela University | 55 | 3% |\n| 18) Durban University of Technology | 206 | 2% | University of Zululand | 42 | 3% |\n| 19) ","cbCaikuAc7RQY0K2","https://ap.wps.com/l/cbCaikuAc7RQY0K2","pdf",847840,23,"English","# Publication Trends (2000–2019)\n## Annual Nanotech Growth and Share\n# Country Comparison (20-year and 2019)\n## Nano Ratio and Activity Index\n# Institutional Output\n## Top Institutions (2000–2019 and 2019)\n# Researcher Ranking\n## Publications, H5-index, and Citations","[{\"question\":\"What does the 2000–2019 dataset measure in this document?\",\"answer\":\"It measures nanotech publication counts, total WoS publications, nanotech share percentage, and annual nanotech growth across years 2000–2019.\"},{\"question\":\"How are countries compared in the analysis?\",\"answer\":\"Countries are compared using nanotech publications, total WoS, nanotech ratio, and an activity index for both the 20-year period and the 2019 one-year window.\"},{\"question\":\"Which entities are ranked, and by what metrics?\",\"answer\":\"The document ranks institutions and researchers using publication numbers and shares; it also includes H5-index and average citations per item for selected top entries.\"}]","Nanotechnology Convergence in Africa - Nanotech Publications Trend and Bibliometric Profile (2000–2019) | PDF",8]