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Review

Hydrogen Production as a Clean Energy Carrier through Heterojunction Semiconductors for Environmental Remediation

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State Key Laboratory of Metal Matrix Composite, Shanghai Jiao Tong University, Shanghai 200240, China
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Faculty of Mechanical Engineering, National University of Singapore, Singapore 117574, Singapore
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Centre of Excellence for Advanced Materials Application, Slovak Academy of Sciences, Dubravska Cesta 9, 84511 Bratislava, Slovakia
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Department of Innovation Engineering, University of Salento, Via per Arnesano, 73100 Lecce, Italy
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Authors to whom correspondence should be addressed.
Academic Editor: Muhammad Aziz
Energies 2022, 15(9), 3222; https://doi.org/10.3390/en15093222
Received: 27 March 2022 / Revised: 23 April 2022 / Accepted: 24 April 2022 / Published: 28 April 2022
Today, as a result of the advancement of technology and increasing environmental problems, the need for clean energy has considerably increased. In this regard, hydrogen, which is a clean and sustainable energy carrier with high energy density, is among the well-regarded and effective means to deliver and store energy, and can also be used for environmental remediation purposes. Renewable hydrogen energy carriers can successfully substitute fossil fuels and decrease carbon dioxide (CO2) emissions and reduce the rate of global warming. Hydrogen generation from sustainable solar energy and water sources is an environmentally friendly resolution for growing global energy demands. Among various solar hydrogen production routes, semiconductor-based photocatalysis seems a promising scheme that is mainly performed using two kinds of homogeneous and heterogeneous methods, of which the latter is more advantageous. During semiconductor-based heterogeneous photocatalysis, a solid material is stimulated by exposure to light and generates an electron–hole pair that subsequently takes part in redox reactions leading to hydrogen production. This review paper tries to thoroughly introduce and discuss various semiconductor-based photocatalysis processes for environmental remediation with a specific focus on heterojunction semiconductors with the hope that it will pave the way for new designs with higher performance to protect the environment. View Full-Text
Keywords: semiconductors; photocatalysis; heterojunctions; environmental purification; composite photocatalysts semiconductors; photocatalysis; heterojunctions; environmental purification; composite photocatalysts
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MDPI and ACS Style

Bahadoran, A.; Liu, Q.; Ramakrishna, S.; Sadeghi, B.; De Castro, M.M.; Cavaliere, P.D. Hydrogen Production as a Clean Energy Carrier through Heterojunction Semiconductors for Environmental Remediation. Energies 2022, 15, 3222. https://doi.org/10.3390/en15093222

AMA Style

Bahadoran A, Liu Q, Ramakrishna S, Sadeghi B, De Castro MM, Cavaliere PD. Hydrogen Production as a Clean Energy Carrier through Heterojunction Semiconductors for Environmental Remediation. Energies. 2022; 15(9):3222. https://doi.org/10.3390/en15093222

Chicago/Turabian Style

Bahadoran, Ashkan, Qinglei Liu, Seeram Ramakrishna, Behzad Sadeghi, Moara Marques De Castro, and Pasquale Daniele Cavaliere. 2022. "Hydrogen Production as a Clean Energy Carrier through Heterojunction Semiconductors for Environmental Remediation" Energies 15, no. 9: 3222. https://doi.org/10.3390/en15093222

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