Indian Journal of Engineering & Materials Sciences

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A Unique pipe-like C3N4 with enhanced photocatalytic degradation of organic pollutant


Affiliations
1 Mechanical Engineering Department, Ho Technical University, P.O. Box HP 217, Ho, Volta Region, Ghana

Morphology tuning is one of the innovative techniques to overcome challenges of a pristine graphitic carbon nitride (g-C3N4) as a photocatalyst. In this study, a unique pipe-like C3N4 have been fabricated using a facile, environmentally friendly and scalable approach by treating dicyandiamide (DCDA) with ethylene glycol and nitric acid. The pipe-like C3N4 samples have been possessed unique structural morphology with enhanced visible light-harvesting ability, efficient charge separation and large surface area with more reactive sites. These enhanced properties of the pipe-like C3N4 have been exhibited superior complete photocatalytic degradation of methylene Blue (MB) within 30 min under visible light (λ > 420 nm) compared to the bulk C3N4. In addition, the pipe-like C3N4 have good photostability and efficiency (96%) and potential applications in other fields such as photoelectrochemistry, electrocatalysis, and optoelectronic devices.
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  • A Unique pipe-like C3N4 with enhanced photocatalytic degradation of organic pollutant

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Authors

Maxwell Selase Akple
Mechanical Engineering Department, Ho Technical University, P.O. Box HP 217, Ho, Volta Region, Ghana

Abstract


Morphology tuning is one of the innovative techniques to overcome challenges of a pristine graphitic carbon nitride (g-C3N4) as a photocatalyst. In this study, a unique pipe-like C3N4 have been fabricated using a facile, environmentally friendly and scalable approach by treating dicyandiamide (DCDA) with ethylene glycol and nitric acid. The pipe-like C3N4 samples have been possessed unique structural morphology with enhanced visible light-harvesting ability, efficient charge separation and large surface area with more reactive sites. These enhanced properties of the pipe-like C3N4 have been exhibited superior complete photocatalytic degradation of methylene Blue (MB) within 30 min under visible light (λ > 420 nm) compared to the bulk C3N4. In addition, the pipe-like C3N4 have good photostability and efficiency (96%) and potential applications in other fields such as photoelectrochemistry, electrocatalysis, and optoelectronic devices.