Zobrazeno 1 - 10
of 20
pro vyhledávání: '"R. K. Koech"'
Autor:
D. O. Oyewole, R. K. Koech, R. Ichwani, R. Ahmed, J. Hinostroza Tamayo, S. A. Adeniji, J. Cromwell, E. Colin Ulloa, O. K. Oyewole, B. Agyei-Tuffour, L. V. Titova, N. A. Burnham, W. O. Soboyejo
Publikováno v:
AIP Advances, Vol 11, Iss 6, Pp 065327-065327-12 (2021)
Annealing is one of the processing methods that are used for the fabrication of defect-free, photoactive perovskite films with compact grains in highly efficient and stable perovskite solar cells (PSCs). Thus, the annealing temperature is a key param
Externí odkaz:
https://doaj.org/article/128698beb1814689abad38cc021c3a61
Autor:
S. A. Adeniji, J. Cromwell, D. O. Oyewole, O. V. Oyelade, R. K. Koech, D. M. Sanni, O. K. Oyewole, B. Babatope, W. O. Soboyejo
Publikováno v:
AIP Advances, Vol 11, Iss 2, Pp 025112-025112-10 (2021)
This paper presents the results of pressure-effects on performance characteristics of near-infra-red perovskite light emitting diodes (PeLEDs) using a combination of experimental and analytical/computational approaches. First, pressure-effects are st
Externí odkaz:
https://doaj.org/article/f6eccce2ec9d43229523f2daf6d26529
Autor:
D. M. Sanni, E. Ntsoenzok, E. Saintaimé, S. A. Adeniji, O. V. Oyelade, R. K. Koech, D. I. Amune, A. Bello
Publikováno v:
AIP Advances, Vol 10, Iss 7, Pp 075006-075006-6 (2020)
In this research, we demonstrated the use of hafnium acetylacetonate (Hfaca) dissolved in ethanol as a buffer layer for perovskite solar cells from non-halide Pb (dehydrated lead acetate) source material. The inverted p-i-n planar heterojunction stru
Externí odkaz:
https://doaj.org/article/d78d955c6e974290b121d64b0bf0d8eb
Autor:
R. K. Koech, Dahiru M. Sanni, Reisya Ichwani, O. K. Oyewole, D. O. Oyewole, D. Amune, Esidor Ntsoenzok, S. A. Adeniji, Moses Kigozi, Abdulhakeem Bello, Wole Soboyejo
Publikováno v:
Energies; Volume 14; Issue 23; Pages: 7870
Energies, Vol 14, Iss 7870, p 7870 (2021)
Energies, Vol 14, Iss 7870, p 7870 (2021)
The design of electron transport layers (ETLs) with good optoelectronic properties is one of the keys to the improvement of the power conversion efficiencies (PCEs) and stability of perovskite solar cells (PSCs). Titanium dioxide (TiO2), one of the m
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8aa5171ff4f6b8e170f1fd94bc4058d5
Autor:
John Baptist Kirabira, Azikiwe Peter Onwualu, Abdulhakeem Bello, Omar Lwako M. Kamoga, Ravi Kali, Moses Kigozi, Nelson Y. Dzade, P.K. Jain, R. K. Koech, Balaji Padya, Gabriel N. Kasozi, Kingsley Orisekeh
Background and purpose: For application in supercapacitors, improving the efficiency of the electrode materials is the most important for obtaining high performance. Porous carbon with suitable architectures is reliable for improved electrochemical c
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cc6a158abb7c2663f8baa3ca38ea16a8
https://doi.org/10.21203/rs.3.rs-889321/v1
https://doi.org/10.21203/rs.3.rs-889321/v1
Autor:
R. K. Koech, A. A. Fashina, Dahiru M. Sanni, Terry Alford, Esidor Ntsoenzok, Aditya S. Yerramilli, Omolara Oyelade, S. A. Adeniji
Publikováno v:
Journal of Vacuum Science and Technology A
Journal of Vacuum Science and Technology A, American Vacuum Society, 2021, 39 (3), pp.032801. ⟨10.1116/6.0000714⟩
Journal of Vacuum Science and Technology A, American Vacuum Society, 2021, 39 (3), pp.032801. ⟨10.1116/6.0000714⟩
In this research, we examined the impact of solution concentration on the photovoltaic and the material properties of perovskite solar cells (PSCs) obtained from dehydrated Pb-acetate precursors. The perovskite solution was deposited by a one-step sp
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::bef28c129e143dc46972ca63b1c2b8fa
https://hal.archives-ouvertes.fr/hal-03504626
https://hal.archives-ouvertes.fr/hal-03504626
Autor:
R. K. Koech, S. A. Adeniji, O. K. Oyewole, Lyubov V. Titova, Reisya Ichwani, Jaya Cromwell, Benjamin Agyei-Tuffour, Erika Colin Ulloa, Omolara Oyelade, Nancy A. Burnham, D. O. Oyewole, Juan Hinostroza Tamayo, Winston O. Soboyejo, Ridwan Ahmed
One route to a brighter global energy future may be through enhancing the efficiency and stability of perovskite solar cells (PSCs), which depends on the level of defects in the photoactive absorber and along the interfaces of the multilayered struct
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1f6552401836bf367effa0ddc4ce9639
https://doi.org/10.21203/rs.3.rs-134394/v1
https://doi.org/10.21203/rs.3.rs-134394/v1
Autor:
Jaya Cromwell, O. K. Oyewole, D. O. Oyewole, Reisya Ichwani, Julia L. Martin, R. K. Koech, Winston O. Soboyejo, Adri Huda, Ronald L. Grimm
Publikováno v:
Extreme Mechanics Letters. 50:101515
The interfacial robustness of perovskite solar cells (PSCs) is important due to the potential for failure resulting from applied loads or deformation in devices that are fabricated on rigid or flexible substrates, and/or residual stresses due to ther
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::143b79bd64b9eda6b972200d15232896
https://doi.org/10.1016/j.eml.2021.101515
https://doi.org/10.1016/j.eml.2021.101515
Autor:
R. K. Koech, S. A. Adeniji, Winston O. Soboyejo, Ridwan Ahmed, Dahiru M. Sanni, Omolara Oyelade, Jaya Cromwell, Abdulhakeem Bello, Kingsley Orisekeh, D. O. Oyewole, O. K. Oyewole
Publikováno v:
Macromolecular Materials and Engineering. 306:2100435
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e64f8307b7b9cb3bb7e3352a7b0c123c
https://doi.org/10.1002/mame.202100435
https://doi.org/10.1002/mame.202100435
Autor:
Reisya Ichwani, O. K. Oyewole, Winston O. Soboyejo, D. O. Oyewole, Esidor Ntsoenzok, Ronald L. Grimm, Abdulhakeem Bello, Yusuf Afolabi Olanrewaju, Dahiru M. Sanni, Julia L. Martin, R. K. Koech, S. A. Adeniji, Omolara Oyelade
Publikováno v:
AIP Advances, Vol 11, Iss 9, Pp 095112-095112-11 (2021)
Incorporation of cesium (Cs) into the perovskite layer has become a good strategy to boost the stability and power conversion efficiency (PCE) of perovskite solar cells (PSCs). However, a suitable and scalable method of Cs incorporation in a perovski
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4d3a896ac9ff58dd9d18e95127446fa0
https://doi.org/10.1063/5.0064398
https://doi.org/10.1063/5.0064398