Jing An, Hui Zhao, Zhaojun Jia, Chaochao Zhao, Can Cui, Fanda Meng*, Liyuan Sheng*, Min Wen*, Yufeng Zheng and Tingfei Xi,
{"title":"Design and Engineering of Photocatalytic Graphitic Carbon Nitride for Environmental and Biological Disinfection","authors":"Jing An, Hui Zhao, Zhaojun Jia, Chaochao Zhao, Can Cui, Fanda Meng*, Liyuan Sheng*, Min Wen*, Yufeng Zheng and Tingfei Xi, ","doi":"10.1021/acsestengg.5c00352","DOIUrl":"https://doi.org/10.1021/acsestengg.5c00352","url":null,"abstract":"<p >Photocatalytic antibacterial technologies, leveraging light-driven generation of reactive oxygen species (ROS), offer a promising, antibiotic-free alternative to combat the growing challenge of antibiotic-resistant bacteria. Graphitic carbon nitride (g-C<sub>3</sub>N<sub>4</sub>), a nonmetallic photocatalyst, is particularly appealing due to its abundant availability, ease of synthesis, and stability. However, challenges such as limited light absorption, rapid electron–hole recombination, and low surface area restrict its efficiency. This review highlights the synthesis, design strategies, and mechanisms behind g-C<sub>3</sub>N<sub>4</sub>’s photocatalytic antibacterial activity, focusing on ROS-induced bacterial inactivation. We discuss key engineering strategies─morphological optimization, chemical doping, heterojunction formation, and carrier confinement domain engineering─that enhance its photocatalytic properties. The review also addresses recent advancements in g-C<sub>3</sub>N<sub>4</sub>-based photocatalysis for environmental remediation, including water purification, fouling/corrosion prevention, and biological applications such as wound healing and bone regeneration. This work aims to provide insights into the rational design of g-C<sub>3</sub>N<sub>4</sub> for sustainable, effective disinfection applications across various environmental and healthcare sectors.</p>","PeriodicalId":7008,"journal":{"name":"ACS ES&T engineering","volume":"5 9","pages":"2138–2169"},"PeriodicalIF":6.7,"publicationDate":"2025-08-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145036563","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Filippo Buttignol, Pierdomenico Biasi and Alberto Garbujo*,
{"title":"Mitigating Nitrogen Oxides, N2O, and NH3 Emissions in the Chemical Industry and Ammonia Combustion","authors":"Filippo Buttignol, Pierdomenico Biasi and Alberto Garbujo*, ","doi":"10.1021/acsestengg.5c00384","DOIUrl":"https://doi.org/10.1021/acsestengg.5c00384","url":null,"abstract":"<p >Anthropogenic air pollution is one of the major threats to planetary and human health. In this view, nitrogen oxides (NO<sub><i>x</i></sub>) and nitrous oxide (N<sub>2</sub>O) are among the key responsible by contributing to photochemical smog, acid rain, eutrophication, and a variety of health issues. Effective after-treatment abatement technologies like selective catalytic reduction and decomposition routes exist, but the simultaneous conversion of NO<sub><i>x</i></sub> and N<sub>2</sub>O remains under-explored. This perspective addresses the challenges and opportunities in optimizing catalytic technologies for individual and simultaneous NO<sub><i>x</i></sub>, N<sub>2</sub>O, and NH<sub>3</sub> conversion. The integration of advanced catalytic systems in both established industrial processes and emerging technologies relying on the use of NH<sub>3</sub> as a fuel is crucial for achieving sustainable and environmentally friendly solutions. Addressing these challenges can significantly reduce greenhouse gas emissions and ensure ammonia’s promise as a low-impact carbon-free fuel. This publication emphasizes the importance of continuous innovation in the field of catalytic conversion strategies to meet stringent environmental regulations and mitigate the impacts of NO<sub><i>x</i></sub> and N<sub>2</sub>O emissions. Developing cost-effective, high-performance catalysts under real industrial conditions is essential for the widespread adoption of these technologies and the transition to a more sustainable future.</p>","PeriodicalId":7008,"journal":{"name":"ACS ES&T engineering","volume":"5 9","pages":"2170–2180"},"PeriodicalIF":6.7,"publicationDate":"2025-08-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145036550","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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