Magnesium-doped green solar cells using natural chromophores

Onuigbo, Immaculata O.; Abdulrahman, Garba N.; Onwujiuba, Chukwuma Valentine; Iwu, Oscar; Yahaya, Muhammed; Jahng, Wan Jin

doi:10.1007/s40089-021-00334-0

Cited by 3 publications

(2 citation statements)

References 56 publications

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“…These DSSCs demonstrated fill factors of 0.09 and 0.37, achieving efficiencies of 0.24 and 2.19% for spinach and henna dyes, respectively. Onuigbo et al ( 2021 ) fabricated magnesium-doped TiO 2 solar cells, dye-sensitizing, and assembling them using methanol extracts from several Western African plants, including henna. The Mg 2+ -TiO nanoparticles were applied to fluorine-doped tin oxide (FTO) glass to operate as the photoanode of the solar cells with an electrolyte.…”

Section: Dye-sensitized Solar Cellsmentioning

confidence: 99%

Back to nature: henna extracts from nanotech to environmental biotechnology – a review

Abd-El-Haleem

2023

bta

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The Lythraceae family includes henna (Lawsonia inermis), which thrives in subtropical and tropical climates. One of its many and long-standing uses is in cosmetics as a pigment to color hair and nails. Additionally, it serves as a disinfectant against microbiological infections and has traditional applications in the textile industry, specifically for coloring wool and nylon. The dried leaves of henna contain a significant amount of lawsone, an active substance bestowing them with staining abilities. Environmental biotechnology, a subfield of biotechnology, engages in the production of biomass or renewable energy sources and the elimination of pollutants, utilizing either entire organisms or their by-products. Recent research indicates that henna, owing to its sustainability, abundant production, simplicity of preparation, low cost, and reputation for being safe and ecologically benign, is exceptionally well-suited to participate in the realm of environmental biotechnology. This review navigates through the most recent studies exploring the use of henna and its extracts for related purposes. These encompass a spectrum of applications, including but not limited to nanobiotechnology, fabric dyeing, corrosion resistance, colored solar cells, carbon dots, and new renewable energy exemplified by biofuel and biohydrogen. Furthermore, henna extracts have been deployed to function as antimicrobials and ward off dangerous insects.

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Section: Dye-sensitized Solar Cellsmentioning

confidence: 99%

Back to nature: henna extracts from nanotech to environmental biotechnology – a review

Abd-El-Haleem

2023

bta

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“…For example, Bekele et al [114] have reported that when TiO 2 nanoparticles are doped by Mg 2+ ion and coated on an FTO glass substrate, they form Mg 2+ -TiO 2 -FTO photoanode. When this photoanode was immersed in methanol-extracted henna (Lawsonia inermis) leaf dye, its efficiency of light-to-electricity conversion was increased by generating the highest J sc , from 0.66 to 1.28 (mA cm -2 ), representing a 93% increase over the undoped TiO 2 group [117].…”

Section: Efficiency Optimization Of Natural Plant Pigment-based Dsscsmentioning

confidence: 99%

Recent Progress, Advancements, and Efficiency Improvement Techniques of Natural Plant Pigment‐Based Photosensitizers for Dye‐Sensitized Solar Cells

Bekele

Dessie

2022

Journal of Nanomaterials

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Production of green energy by using environment friendly and cost-effective components is attracting the attention of the research world and is found to be a promising approach to replace nonrenewable energy sources. Among the green energy sources, dye-sensitized solar cells (DSSCs) are found to be the most alternative way to reduce the energy demand crises in current situation. The efficiency of DSSCs is dependent on numerous factors such as the solvent used for dye extraction, anode and cathode electrodes, and the thickness of the film, electrolyte, dye, and nature of FTO/ITO glasses. The efficiency of synthetic dye-based DSSCs is enhanced as compared to their counterparts. However, it has been found that many of the synthetic sensitizers used in DSSCs are toxic, and some of them are found to cause carcinogenicity in nature by forming a complex agent. Instead, using various parts of green plants such as leaves, roots, steam, peel waste, flowers, various spices, and mixtures of them would be a highly environmentally friendly and good efficient. The present review focuses on and summarizes the efficiency affecting factors, the various categories of natural sensitizers, and solvent effects. Furthermore, the review work assesses the experimentally and computationally obtained values and their progress in development.

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Effect of MgO recombination barrier layer on the performance of monolithic-structured solid-state dye sensitized solar cells

Bala

Haruna

Onimisi

et al. 2023

Materials Research Innovations

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Magnesium-doped green solar cells using natural chromophores

Cited by 3 publications

References 56 publications

Back to nature: henna extracts from nanotech to environmental biotechnology – a review

Back to nature: henna extracts from nanotech to environmental biotechnology – a review

Recent Progress, Advancements, and Efficiency Improvement Techniques of Natural Plant Pigment‐Based Photosensitizers for Dye‐Sensitized Solar Cells

Effect of MgO recombination barrier layer on the performance of monolithic-structured solid-state dye sensitized solar cells

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