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Carbon Nitrides in Photoelectrochemistry: State of the Art and Perspectives Beyond Water Splitting

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Author(s):
Blaskievicz, Sirlon F. ; Francisco, Juliana Lucca ; Marken, Frank ; Mascaro, Lucia Helena
Total Authors: 4
Document type: Journal article
Source: ACS APPLIED ENERGY MATERIALS; v. 7, n. 8, p. 18-pg., 2024-03-26.
Abstract

Photoelectrodes made from cost-effective materials are the most desired for practical photoelectrochemical (PEC) applications, aiming to help in the imminent environmental crisis that urges an energetic transition. A prominent class of semiconductors are the polymeric carbon nitrides (PCN), which appear to be an eco-friendly solution particularly for green hydrogen production through water splitting, value-added organic compounds obtention from biomass upgrading, or CO2 reduction; even green ammonia can be obtained by PEC reduction of N2. In this sense, monitoring dangerous environmental species or converting them into less toxic ones can also be performed through PEC using carbon nitride-based electrodes. In this review, we provide an overview of the basics of PCN applications in PEC, including commonly employed strategies to enhance their performance. Additionally, we discuss the current state-of-the-art for PCN in PEC water splitting as well as lesser-explored areas such as biomass upgrading, environmental remediation, photoelectroanalytical sensing, and light-driven CO2 and N2 reduction reactions. Finally, we present an overview of prospects for PCN material in PEC. (AU)

FAPESP's process: 23/11554-9 - Synthesis and modification of carbon materials with transition metal oxides for application in CO2 reduction assays
Grantee:Sirlon Francisco Blaskievicz
Support Opportunities: Scholarships in Brazil - Post-Doctoral
FAPESP's process: 13/07296-2 - CDMF - Center for the Development of Functional Materials
Grantee:Elson Longo da Silva
Support Opportunities: Research Grants - Research, Innovation and Dissemination Centers - RIDC
FAPESP's process: 18/16401-8 - Photocatalysts and photoelectrodes for obtaining renewable fuels
Grantee:Lucia Helena Mascaro Sales
Support Opportunities: Regular Research Grants
FAPESP's process: 17/11986-5 - Generation and storage of New Energy: bringing technological development for the country
Grantee:Ana Flávia Nogueira
Support Opportunities: Research Grants - Research Centers in Engineering Program