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pro vyhledávání: '"Roussin L"'
Akademický článek
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Autor:
Roussin Lontio Fomekong, Kenneth Mbene, Ekane Peter Etape, Emmanuel Prince Oumbe Foguieng, Cedrik Ngnintedem Yonti, Hypolite Mathias Tedjieukeng Kamta, Patrice Kenfack Tsobnang, John Lambi Ngolui
Publikováno v:
Open Ceramics, Vol 18, Iss , Pp 100580- (2024)
Improve optical band gaps of metal oxides by a suitable doping is very interesting for optoelectronic application. However, the effect of doping is usually affected by the synthesis method. Among the existing synthesis routes, coprecipitation is chea
Externí odkaz:
https://doaj.org/article/9f9e33e9bfc64c5297dd0a6ca1cf1ea9
Autor:
Roussin, L. G.
Publikováno v:
The Economic Journal, 1919 Mar 01. 29(113), 37-48.
Externí odkaz:
https://www.jstor.org/stable/2223138
Autor:
Roussin Lontio Fomekong, Paulin Kammi Yontchoum, Tobie Junior Matemb Ma Ntep, Hypolite Mathias Tedjieukeng Kamta, Patrice Kenfack Tsobnang, Svitlana Krüger, Jiří Šturala, Zdenek Sofer, Christoph Janiak, Bilge Saruhan, Arnaud Delcorte, John Ngolui Lambi
Publikováno v:
Advanced Energy & Sustainability Research, Vol 5, Iss 3, Pp n/a-n/a (2024)
The large‐scale application of water electrolysis, for clean H2 production, requires the development of eco‐friendly and low‐cost electrocatalysts with high activity for hydrogen evolution reaction (HER) in alkaline media. The excellent alterna
Externí odkaz:
https://doaj.org/article/2f5ba0cc85aa4dfcaef8459f739a7ef6
Autor:
Hippolyte Todou Assaouka, Daniel Manhouli Daawe, Roussin Lontio Fomekong, Issah Njiawouo Nsangou, Patrick Mountapmbeme Kouotou
Publikováno v:
Heliyon, Vol 8, Iss 9, Pp e10689- (2022)
Herein CuO nanoparticles (NPs) with nanostructures were prepared by precipitation method using hydrate copper sulfate (CuSO4.5H2O) and sodium hydroxide followed by heat treatment at 400 °C. The as-prepared CuO NPs with nanostructures were investigat
Externí odkaz:
https://doaj.org/article/1557c5d06f4e4b36918f849691555a24
Publikováno v:
Chemosensors, Vol 11, Iss 2, p 81 (2023)
Advanced gas sensors fabricated with nanoparticles and thin films of semiconductor metal oxides have been widely used for the detection of toxic, hazardous, and combustible gases and as biomarkers for the safety of human beings, environmental control
Externí odkaz:
https://doaj.org/article/97ddba205ad24ec387d761e96162d499
Autor:
Edwin Akongnwi Nforna, Patrice Kenfack Tsobnang, Roussin Lontio Fomekong, Hypolite Mathias Kamta Tedjieukeng, John Ngolui Lambi, Julius Numbonui Ghogomu
Publikováno v:
Royal Society Open Science, Vol 8, Iss 2 (2021)
Samples of cobalt-doped neodymium orthoferrite compounds, NdCoxFe1−xO3 (0.0 ≤ x ≤ 0.5) were synthesized via glycine auto-combustion between 250 and 300°C and calcined at 500°C for 2 h. X-ray diffraction showed that all compounds had an orthor
Externí odkaz:
https://doaj.org/article/e1f83be92fdc4018a887a8730a94adbe
Akademický článek
Tento výsledek nelze pro nepřihlášené uživatele zobrazit.
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K zobrazení výsledku je třeba se přihlásit.
Autor:
Cedrik Ngnintedem Yonti, Patrice Kenfack Tsobnang, Roussin Lontio Fomekong, Francois Devred, Eric Mignolet, Yvan Larondelle, Sophie Hermans, Arnaud Delcorte, John Lambi Ngolui
Publikováno v:
Nanomaterials, Vol 11, Iss 11, p 2833 (2021)
In this study, a bio-derived precipitating agent/ligand, palm kernel oil, has been used as an alternative route for the green synthesis of nanoparticles of Fe-doped Co3O4 via the co-precipitation reaction. The palm oil was extracted from dried palm k
Externí odkaz:
https://doaj.org/article/5f8e85c226b3443781f3035391a6db54
Autor:
Roussin Lontio Fomekong, Bilge Saruhan
Publikováno v:
Frontiers in Materials, Vol 6 (2019)
Undoped and Co-doped TiO2 nanoparticles were synthesized by a facile co-precipitation method and calcined at 700°C. The phase identification carried out by XRD measurements and Raman spectroscopy analysis of calcined powders reveals the formation of
Externí odkaz:
https://doaj.org/article/f8b3545b8c7d446eb244e29f2f23a6dc