Zobrazeno 1 - 10
of 10
pro vyhledávání: '"John Lambi Ngolui"'
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:
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:
Henri Joel Mbah Ngantchou, Rizwan Raza, Edwin Akongnwi Nforna, John Lambi Ngolui, Tauqir A. Sherazi
Publikováno v:
RSC Advances. 13:12285-12294
The reported results represented that Co and Ni enhances the SOFC performance. It is potential electrolyte candidate for solid oxide fuel cell.
Autor:
Eric Mignolet, Yvan Larondelle, John Lambi Ngolui, Sophie Hermans, Arnaud Delcorte, Patrice Kenfack Tsobnang, Cedrik Ngnintedem Yonti, Francois Devred, Roussin Lontio Fomekong
Publikováno v:
Nanomaterials, Vol. 11, no.11, p. 2833 (2021)
Nanomaterials
Volume 11
Issue 11
Nanomaterials, Vol 11, Iss 2833, p 2833 (2021)
Nanomaterials
Volume 11
Issue 11
Nanomaterials, Vol 11, Iss 2833, 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://explore.openaire.eu/search/publication?articleId=doi_dedup___::5cbdafd367e3ee00801fc2c54a651ff6
https://hdl.handle.net/2078.1/254389
https://hdl.handle.net/2078.1/254389
Autor:
Patrice Kenfack Tsobnang, John Lambi Ngolui, Emmanuel Wenger, Pierrick Durand, Slimane Dahaoui, Claude Lecomte
Publikováno v:
Crystal Growth & Design
Crystal Growth & Design, American Chemical Society, 2017, 17 (9), pp.4908-4917. ⟨10.1021/acs.cgd.7b00856⟩
Crystal Growth & Design, American Chemical Society, 2017, 17 (9), pp.4908-4917. ⟨10.1021/acs.cgd.7b00856⟩
The two-dimensional (2-D) catena-{Co(amp)3Cr(ox)3·6H2O}(amp = 2-picolylamine, ox = oxalate) compound is built by the [Co(amp)3]3+ (D) and [Cr(ox)3]3– (A) ions via multiple hydrogen bonds and hosts well-resolved R12 dodecameric discrete water clust
Autor:
Christoph Janiak, Dominik Fröhlich, John Lambi Ngolui, Pierrick Durand, Emrah Hastürk, Emmanuel Wenger, Patrice Kenfack Tsobnang, Claude Lecomte
Publikováno v:
Crystal Growth & Design
Crystal Growth & Design, American Chemical Society, 2019, 19 (5), pp.2869-2880. ⟨10.1021/acs.cgd.9b00097⟩
Crystal Growth & Design, American Chemical Society, 2019, 19 (5), pp.2869-2880. ⟨10.1021/acs.cgd.9b00097⟩
Two new isostructural porous supramolecular materials {[Cu2(amp)4Cl][M(C2O4)3]·6H2O}n (amp = 2-aminomethylpyridine), designated as II and III for M = Cr(III) and M = Fe(III) respectively, have been synthesized by a self-assembly process of two ionic
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6689a1a8abfbe70cd898983d31f23d59
https://publica.fraunhofer.de/handle/publica/257731
https://publica.fraunhofer.de/handle/publica/257731
Autor:
Sophie Hermans, Arnaud Delcorte, Patrice Kenfack Tsobnang, Delphine Magnin, Roussin Lontio Fomekong, John Lambi Ngolui
Publikováno v:
Journal of Solid State Chemistry. 230:381-389
Nanoparticles of Ni 1− x Zn x O and Ni 1− x Zn x O/ZnO, which can be good candidates for selective gas sensors, were successfully obtained via a two-step synthetic route, in which the nickel zinc malonate precursor was first synthesized by co-pre
Autor:
Slimane Dahaoui, Claude Lecomte, Pierrick Durand, Patrice Kenfack Tsobnang, John Lambi Ngolui, Emmanuel Wenger
Publikováno v:
Acta Crystallographica Section A Foundations and Advances. 73:C1071-C1071
Autor:
John Lambi Ngolui, Coralie Biache, Claude Lecomte, Simeon Ponou, Slimane Dahaoui, Patrice Kenfack Tsobnang, Emmanuel Wenger
Publikováno v:
Acta Crystallographica Section B, Structural Science, Crystal Engineering and Materials
Acta Crystallographica Section B, Structural Science, Crystal Engineering and Materials, International Union of Crystallography, 2014, 70 (5), pp.900-902. ⟨10.1107/S2052520614019921⟩
Acta Crystallographica Section B, Structural Science, Crystal Engineering and Materials, International Union of Crystallography, 2014, 70 (5), pp.900-902. ⟨10.1107/S2052520614019921⟩
The stacked two-dimensional supramolecular compoundcatena-{Co(amp)3Cr(ox)3·6H2O} (amp = 2-picolylamine, ox = oxalate) has been synthesized from the bimolecular approach using hydrogen bonds. It is built from layers in which both Co(amp)3+(D) and Cr(
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5df0aad6b8f3090540de0bf7c2f1bfcc
https://hal.univ-lorraine.fr/hal-01521997
https://hal.univ-lorraine.fr/hal-01521997
Autor:
Patrice Kenfack Tsobnang, Simeon Ponou, Emmanuel Wenger, Slimane Dahaoui, Claude Lecomte, John Lambi Ngolui
Publikováno v:
Acta Crystallographica Section C Structural Chemistry
Acta Crystallographica Section C Structural Chemistry, International Union of Crystallography, 2014, 70 (1), pp.12-15. ⟨10.1107/S205322961303088X⟩
Acta Crystallographica Section C Structural Chemistry, International Union of Crystallography, 2014, 70 (1), pp.12-15. ⟨10.1107/S205322961303088X⟩
The title compound, [KCr(C2O2)2(C6H8N2)]n, was obtained from aqueous solution and analyzed with single-crystal X-ray diffraction at 100 K. It crystallizes in the monoclinic space groupC2/cand displays a three-dimensional polymeric architecture built
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::489cbce7c123c9cd6b0e3a06a97f61c8
https://hal.univ-lorraine.fr/hal-01521974
https://hal.univ-lorraine.fr/hal-01521974