Crystalline-amorphous homojunction engineering in carbon nitride for solar-driven nitrate into ammonia conversion.

Yiyang Chen, Yuxiang Zhu, Xiang Zhong, Yuhang Liang, Qiufan Sun, Sai Xu, Jianfeng Yao

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Article in Chemical science, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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7 authors.

Yiyang ChenJiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, College of Chemical Engineering, Nanjing Forestry University Nanjing Jiangsu 210037 China yxzhu89@njfu.edu.cn jfyao@njfu.edu.cn.

Yuxiang ZhuJiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, College of Chemical Engineering, Nanjing Forestry University Nanjing Jiangsu 210037 China yxzhu89@njfu.edu.cn jfyao@njfu.edu.cn.

Xiang ZhongJiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, College of Chemical Engineering, Nanjing Forestry University Nanjing Jiangsu 210037 China yxzhu89@njfu.edu.cn jfyao@njfu.edu.cn.

Yuhang LiangCollege of Chemistry, Fuzhou University Fuzhou Fujian 350108 China.ORCID https://orcid.org/0000-0002-8256-8171

Qiufan SunJiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, College of Chemical Engineering, Nanjing Forestry University Nanjing Jiangsu 210037 China yxzhu89@njfu.edu.cn jfyao@njfu.edu.cn.

Sai XuJiangsu Key Laboratory of Chemical Pollution Control and Resources Reuse, School of Environmental and Biological Engineering, Nanjing University of Science and Technology Nanjing Jiangsu 210094 China.ORCID https://orcid.org/0000-0002-5395-4903

Jianfeng YaoJiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, College of Chemical Engineering, Nanjing Forestry University Nanjing Jiangsu 210037 China yxzhu89@njfu.edu.cn jfyao@njfu.edu.cn.ORCID https://orcid.org/0000-0002-3619-6741

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Photocatalytic nitrate to ammonia conversion offers a promising route to close the nitrogen cycle, yet is limited by inefficient charge separation and poor reaction selectivity. Here, crystalline-phase-engineered oxygen-doped carbon nitride homojunctions are constructed by integrating poly(heptazine-triazine) imides (PHTI), poly(heptazine imide) (PHI) and poly(triazine imide) (PTI) into oxygen-doped carbon nitride microspheres (OCNMs), forming S-scheme, type-II and type-I architectures. Among them, the urchin-like S-scheme PHTI/OCNMs homojunction achieves an ammonia formation rate of 893 µmol g

Identifiers

PMID42254482

DOI10.1039/d6sc01863g

PMCPMC13234772

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