Zobrazeno 1 - 10
of 29
pro vyhledávání: '"Patrice, Kenfack Tsobnang"'
Autor:
Patrice Kenfack Tsobnang, Eric Ziki, Soso Siaka, Jules Yoda, Seham Kamal, Adam Bouraima, Ayi Djifa Hounsi, Emmanuel Wenger, El-Eulmi Bendeif, Claude Lecomte
Publikováno v:
Acta Crystallographica Section E: Crystallographic Communications, Vol 80, Iss 2, Pp 106-109 (2024)
In the title compound, C20H18O4, the dihedral angle between the 2H-chromen-2-one ring system and the phenyl ring is 89.12 (5)°. In the crystal, the molecules are connected through C—H...O hydrogen bonds to generate [010] double chains that are rei
Externí odkaz:
https://doaj.org/article/8ec440982fbc4a088239530f77486890
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 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:
Yves Alain Mbiangué, Alfred Bijvédé, Patrice Kenfack Tsobnang, Emmanuel Wenger, Claude Lecomte
Publikováno v:
Acta Crystallographica Section E: Crystallographic Communications, Vol 76, Iss 11, Pp 1732-1736 (2020)
The asymmetric unit of the title compound, (NH4)2[Ni(C2H6N4O2)3]2[Cr(C2O4)3]2·6.76H2O, comprises two NH4+ cations, two [Ni(C2H6N4O2)3]2+ cations and two [Cr(C2O4)3]3– anions, as well as eight water molecules of crystallization of which only one is
Externí odkaz:
https://doaj.org/article/82187dc43f6c43beb65e37bbb9128382
Autor:
Felicite Majoumo-Mbe, Emmanuel Ngwang Nfor, Patrice Kenfack Tsobnang, Valoise Brenda Nguepmeni Eloundou, Joseph Ngwain Yong, Ikome Iris Efeti
Publikováno v:
Acta Crystallographica Section E: Crystallographic Communications, Vol 75, Iss 2, Pp 251-254 (2019)
The title compound, C14H12N4S, was synthesized by the condensation reaction of hydralazine and 2-acetylthiophene and during the reaction, a proton transfer from the imino nitrogen atom to one of the endocylic nitrogen atoms occurred. The compound cry
Externí odkaz:
https://doaj.org/article/a6f3c0f207d84a67ba1dc64b79ff3000
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
Autor:
Patrice Kenfack Tsobnang, Armelle Tsamo Tontsa, Pierre Mkounga, Augustin Ephrem Nkengfack, Ignas Tonlé Kenfack
Publikováno v:
Acta Crystallographica Section E: Crystallographic Communications, Vol 74, Iss 8, Pp 1083-1086 (2018)
The title limonoid compound, C26H28O5·0.5H2O (TS3) [systematic name: (3aS,3bS,4aS,5aS,6S,7aR,8aR,8bS,11aR)-6-(furan-3-yl)-3a,5a,8b,11a-tetramethyl-3a,4a,5,5a,6,7,7a,8b,11,11a-decahydrooxireno[2′,3′:4b,5]oxireno[2′′,3′′:2′,3′]cyclopen
Externí odkaz:
https://doaj.org/article/505e29d9fc7e41f58404d54d4843f771
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:
Patrice Kenfack Tsobnang, Yannick Thiery Sakam Nchedoung, Dominik Fröhlich, Florence Porcher, Lina Rustam, Emrah Hastürk, Christoph Janiak
Publikováno v:
CrystEngComm. 24:3338-3346
The supramolecular network material [Co(amp)3][Cr(ox)3] (amp = 2-aminomethylpyridine, ox = oxalate) (I′) shows in its powder X-ray diffraction (PXRD) carpet plot during the water adsorption process two sets of diffraction lines related to its struc
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::27fd5406f7ad20eff7176ace0635d729
https://doi.org/10.1039/d2ce00138a
https://doi.org/10.1039/d2ce00138a
Autor:
Pierre Mkounga, Yves Alain Mbiangué, Armelle Tsamo Tontsa, Ignas Tonle Kenfack, Saurelle Kenfack Tiofack, Pamela Kemda Nangmo, Augustin Nkengfack Ephrem, Patrice Kenfack Tsobnang
Publikováno v:
Acta Crystallographica Section C Structural Chemistry. 77:312-320
The crystal structures of rubescin D (1, C26H30O5) and monadelphin A (2, C30H36O11), bioactive molecules of the vilasinin and gedunin classes of limonoids, respectively, are reported for the first time and the synthons affecting their crystal packing
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::da446d88237f45c14a8fbbf5588b2eb0
https://doi.org/10.1107/s2053229621005209
https://doi.org/10.1107/s2053229621005209