Synergestic effect of chlorophyll and anthocyanin Co-sensitizers in TiO2-based dye-sensitized solar cells

SC Ezike, CN Hyelnasinyi, MA Salawu, JF Wansah… - Surfaces and …, 2021 - Elsevier
We adopted co-sensitization technique for improvement of photovoltaic performance of dye-
sensitized solar cells (DSSC). Three natural dyes were used in the fabrication of DSSCs …

[HTML][HTML] Enhanced photovoltaic performance of dye-sensitized solar cells-based Carica papaya leaf and black cherry fruit co-sensitizers

AN Ossai, SC Ezike, P Timtere, AD Ahmed - Chemical Physics Impact, 2021 - Elsevier
Natural dye sensitizers are attractive as an alternative to expensive and rare organic
sensitizers in dye-sensitized solar cells. The partial absorption of solar spectrum by solar cell …

[HTML][HTML] Comparative performances of nature-based dyes extracted from Baobab and Shea leaves photo-sensitizers for dye-sensitized solar cells (DSSCs)

UI Ndeze, J Aidan, SC Ezike, JF Wansah - Current Research in Green and …, 2021 - Elsevier
Dye-sensitized solar cells (DSSCs) were fabricated using dye extracts from Baobab and
Shea leaves as photo-sensitizers. The photoanode was made from spin-coating of titanium …

[HTML][HTML] Zinc oxide-based dye-sensitized solar cells using natural and synthetic sensitizers

AN Ossai, AB Alabi, SC Ezike, AO Aina - Current Research in Green and …, 2020 - Elsevier
Dye-sensitized solar cell is one of the generations of solar cells that generate clean energy
and needs inexpensive equipment for fabrication. We report the performances of the natural …

Effect of acetic acid concentration on optical properties of lead acetate based methylammonium lead iodide perovskite thin film

KA Uyanga, SC Ezike, AT Onyedika, AB Kareem… - Optical Materials, 2020 - Elsevier
High absorption of perovskite thin films is crucial for efficient metal halide perovskite solar
cells. In this study, methylammonium lead iodide (CH 3 NH 3 PbI 3) perovskite thin films are …

[PDF][PDF] Bio-synthesis of zinc oxide nanoparticles from bitter leaf (vernonia amygdalina) extract for dye-sensitized solar cell fabrication

AN Ossai, SC Ezike, AB Dikko - J. Mater. Environ. Sci, 2020 - jmaterenvironsci.com
In this paper, we report biosynthesis of Zinc oxide nanoparticles (ZnONPs) from Vernonia
Amygdalina (bitter leaf) extract. ZnONPs film was deposited on fluorine doped tin oxide …

Stability-improved perovskite solar cells through 4-tertbutylpyridine surface-passivated perovskite layer fabricated in ambient air

SC Ezike, AB Alabi, AN Ossai, AO Aina - Optical Materials, 2021 - Elsevier
Methylammonium lead iodide (CH 3 NH 3 PbI 3) perovskite solar cell (PSC) is one of the
third generations of photovoltaic (PV) research interest in recent years. The solar cell …

Effect of concentration variation on optical and structural properties of TiO2 thin films

SC Ezike - Journal of Modern Materials, 2020 - journals.aijr.org
Abstract Concentrations in weight percent (5-25 wt%) of TiO 2 films used to optimize the film
formation. The TiO 2 films on glass substrates successfully obtained by spin-coating process …

Perovskite materials: from synthesis to solar energy conversion applications

S Imtiyaz, BM Pirzada, A Qurashi - Photoelectrochemical Engineering for …, 2024 - Elsevier
This chapter emphasizes upon the recent trends in the synthesis, fabrication processing and
applications of perovskite materials. The synthesis of single and macrocrystals, synthesis of …

Extraction of five photovoltaic parameters of nature-based dye-sensitized solar cells using single diode model

SC Ezike, JB Yerima, D William… - Renewable Energy …, 2023 - rera.shahroodut.ac.ir
Dye-Sensitized solar cells (DSSCs) are among the family of third generation photovoltaic
(PV). DSSCs are promising with the theoretical predicted value for power conversion …