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Browsing Engineering, Built Environment and Information Technology by Author "Ichipi, Emmanuel O."

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Bandgap tailoring of ZnO using metallic sulphides for enhanced visible-light-active photocatalytic water treatment

Mugumo, Rachel; Ichipi, Emmanuel O.; Tichapondwa, Shepherd Masimba; Chirwa, Evans M.N. (Italian Association of Chemical Engineering, 2023)

The combination of a wide bandgap Zinc oxide (ZnO ~3.4 eV) semiconductor photocatalyst with typical metallic sulphides, namely, silver sulphide (Ag2S), ferric sulphide (FeS) and nickel sulphide (NiS), all of a similar ...
Facile synthesis and characterisation of nanosized ZnO modified with Ag2S for visible-light-induced phenol degradation

Ichipi, Emmanuel O.; Tichapondwa, Shepherd Masimba; Chirwa, Evans M.N. (Italian Association of Chemical Engineering, 2021)

This study investigates the synthesis, characterisation, and application of a visible-light activated binary nanocomposite catalyst for the degradation of phenol in water. Zinc oxide with a wide direct band gap (3.4 eV) is ...
Photocatalytic activity of visible-light-driven ternary Ag/Ag2S/ZnO nanocomposites for phenol degradation in water

Ichipi, Emmanuel O.; Tichapondwa, Shepherd Masimba; Chirwa, Evans M.N. (Italian Association of Chemical Engineering, 2021)

Silver sulphide (Ag2S) and zinc oxide (ZnO) nanoparticles were synthesized through a sol-gel method. The Ag constituent of the ternary was achieved by photodesposition of the binary Ag2S/ZnO resulting in a color change ...
Visible-light-induced photocatalytic degradation of rhodamine B dye using a CuS/ZnS p-n heterojunction nanocomposite under visible-light irradiation

Mugumo, Rachel; Ichipi, Emmanuel O.; Tichapondwa, Shepherd Masimba; Chirwa, Evans M.N. (MDPI, 2023-08-03)

The aim of this work was to investigate a new, simple, one-pot combustion synthesis technique for creating sulphur-based CuS/ZnS p-n heterojunction nanocomposite photocatalysts. This study examined the photocatalytic ...

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Browsing Engineering, Built Environment and Information Technology by Author "Ichipi, Emmanuel O."

Browsing Engineering, Built Environment and Information Technology by Author "Ichipi, Emmanuel O."

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