Revolutionizing photocatalysis: Unveiling efficient alternatives to titanium (IV) oxide and zinc oxide for comprehensive environmental remediation

Etafo, Nelson Oshogwue; Bamidele, Muyideen Olaitan; Bamisaye, Abayomi; Alli, Yakubu Adekunle

doi:10.1016/j.jwpe.2024.105369

Journal of Water Process Engineering

2024

DOI: 10.1016/j.jwpe.2024.105369

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Revolutionizing photocatalysis: Unveiling efficient alternatives to titanium (IV) oxide and zinc oxide for comprehensive environmental remediation

Nelson Oshogwue Etafo,

Muyideen Olaitan Bamidele,

Abayomi Bamisaye

et al.

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Cited by 4 publications

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Nitrogen‐Rich Carbon Nanodot‐Sensitized TiO₂ with MWCNT Composites for Efficient Visible Light Photocatalysis

Ekanayake,

Mai,

Mahasivam

et al. 2024

Adv Materials Inter

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TiO2‐based composite photocatalysts are currently being explored to address concerns intrinsic to TiO2, specifically high charge carrier recombination and UV light activation. Among various materials utilized for composite formation, carbon nanomaterials stand out due to their high electron conductivity, charge storage, photosensitization, and surface properties. However, high carbon content in composites has been shown to reduce performance with potential toxicity concerns. To harness the diverse properties of carbon nanomaterials in a single composite while optimizing the carbon content below 1% by weight, multi‐walled carbon nanotubes (MWCNT)/TiO2 sensitized by carbon nanodots (CND) are synthesized. The heterojunction formed between MWCNTs and TiO2 in the binary composite reduced the charge carrier recombination rate compared to TiO2. The addition of CNDs to MWCNT/TiO2 induced visible light absorbance of the resulting ternary composite, due to the forbidden electron transitions undergone in CND aggregates. CND/MWCNT/TiO2 exhibited a fivefold and 1.6‐fold increase in photocatalytic degradation of acid orange 7 and tetracycline under visible light compared to TiO2. This enhancement is attributed to the photosensitizing property of CNDs working in synergy with the charge storage ability of MWCNTs. A plausible charge transfer pathway for the activity of CND/MWCNT/TiO2 is proposed.

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Nitrogen‐Rich Carbon Nanodot‐Sensitized TiO₂ with MWCNT Composites for Efficient Visible Light Photocatalysis

Ekanayake,

Mai,

Mahasivam

et al. 2024

Adv Materials Inter

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Exploring silver oxide-loaded yttrium vanadate nanocomposite for visible-light-driven photooxidation of ciprofloxacin antibiotic in water

Mohamed,

Shawky,

Zaki

2024

Ceramics International

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Unleashing the power of bio-adsorbents: Efficient heavy metal removal for sustainable water purification

Hussain,

Khatoon,

Nizami

et al. 2024

Journal of Water Process Engineering

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Revolutionizing photocatalysis: Unveiling efficient alternatives to titanium (IV) oxide and zinc oxide for comprehensive environmental remediation

Cited by 4 publications

References 203 publications

Nitrogen‐Rich Carbon Nanodot‐Sensitized TiO₂ with MWCNT Composites for Efficient Visible Light Photocatalysis

Nitrogen‐Rich Carbon Nanodot‐Sensitized TiO₂ with MWCNT Composites for Efficient Visible Light Photocatalysis

Exploring silver oxide-loaded yttrium vanadate nanocomposite for visible-light-driven photooxidation of ciprofloxacin antibiotic in water

Unleashing the power of bio-adsorbents: Efficient heavy metal removal for sustainable water purification

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Revolutionizing photocatalysis: Unveiling efficient alternatives to titanium (IV) oxide and zinc oxide for comprehensive environmental remediation

Cited by 4 publications

References 203 publications

Nitrogen‐Rich Carbon Nanodot‐Sensitized TiO2 with MWCNT Composites for Efficient Visible Light Photocatalysis

Nitrogen‐Rich Carbon Nanodot‐Sensitized TiO2 with MWCNT Composites for Efficient Visible Light Photocatalysis

Exploring silver oxide-loaded yttrium vanadate nanocomposite for visible-light-driven photooxidation of ciprofloxacin antibiotic in water

Unleashing the power of bio-adsorbents: Efficient heavy metal removal for sustainable water purification

Contact Info

Product

Resources

About

Nitrogen‐Rich Carbon Nanodot‐Sensitized TiO₂ with MWCNT Composites for Efficient Visible Light Photocatalysis

Nitrogen‐Rich Carbon Nanodot‐Sensitized TiO₂ with MWCNT Composites for Efficient Visible Light Photocatalysis