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具有改进性能的新型层状硫族化物型金属硫化物材料，用于太阳能燃料生产应用。

New Layered Chalcogenide-Type Metal Sulfide Materials with Improved Properties for Solar Fuel Production Applications.

作者信息

Silva-Gaspar Beatriz, Gonell Francisco, Martinez-Franco Raquel, Fécant Antoine, Díaz Urbano, Corma Avelino

机构信息

Instituto de Tecnología Química, Universitat Politècnica de València-Consejo Superior de Investigaciones Científicas, Avenida de los Naranjos s/n, Valencia, E-46022, Spain.

IFP Energies Nouvelles, Rond-point de l'echangeur de Solaize, Solaize, 69360, France.

出版信息

Small. 2025 Feb;21(5):e2408727. doi: 10.1002/smll.202408727. Epub 2024 Dec 17.

DOI:10.1002/smll.202408727
PMID:39686790
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC11798359/
Abstract

Novel lamellar chalcogenide materials, named as ITQ-75, are synthesized, focusing on the advancement and alteration of metal (tin and zinc) sulfide-based microstructured materials. These are achieved via hydro(solvo)thermal processes in the presence of N-heterocyclic aromatic structural directing agents. The comprehensive characterization of these materials included fine-tuning their electronic structure through a metal doping strategy and enhancing their accessibility by modifying the synthesis gel composition. This modification involved altering the gel's viscosity or incorporating mesoporogen agents such as saccharide moieties. The most promisingly modified ITQ-75-type materials demonstrated optical band gap values of ≈2.0 eV, falling within the optimal range for efficient solar fuel production processes. Furthermore, the photocatalytic performance of these optimized lamellar chalcogenides is assessed using the water-splitting reaction for hydrogen generation in the gas phase and without any sacrificial reagent. These new noble metal-free materials are revealed to be among the most efficient to date (up to 7 µmol h cm ). The results confirm the potential of these materials as promising photocatalysts for solar fuel production applications.

摘要

合成了名为ITQ - 75的新型层状硫族化物材料，重点关注基于金属（锡和锌）硫化物的微结构材料的进展和改变。这些材料是在N - 杂环芳香族结构导向剂存在下通过水（溶剂）热法制备的。这些材料的全面表征包括通过金属掺杂策略微调其电子结构，以及通过改变合成凝胶组成提高其可及性。这种改变涉及改变凝胶的粘度或加入介孔生成剂，如糖类部分。最有前景的改性ITQ - 75型材料显示出约2.0 eV的光学带隙值，落在高效太阳能燃料生产过程的最佳范围内。此外，使用气相水分解制氢反应且不使用任何牺牲试剂来评估这些优化的层状硫族化物的光催化性能。这些新型无贵金属材料被证明是迄今为止效率最高的材料之一（高达7 μmol h cm）。结果证实了这些材料作为太阳能燃料生产应用中有前景的光催化剂的潜力。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d49e/11798359/f1cc38a01fd2/SMLL-21-2408727-g004.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d49e/11798359/a9944a2d173d/SMLL-21-2408727-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d49e/11798359/57e0e6c4f9bb/SMLL-21-2408727-g012.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d49e/11798359/91f77d09d213/SMLL-21-2408727-g011.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d49e/11798359/b58a82c4a611/SMLL-21-2408727-g007.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d49e/11798359/5be851dd85ce/SMLL-21-2408727-g013.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d49e/11798359/d59f37ce145c/SMLL-21-2408727-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d49e/11798359/16703ae2cce3/SMLL-21-2408727-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d49e/11798359/f64d9bd61677/SMLL-21-2408727-g010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d49e/11798359/a0808497f309/SMLL-21-2408727-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d49e/11798359/b51efedc641a/SMLL-21-2408727-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d49e/11798359/a9944a2d173d/SMLL-21-2408727-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d49e/11798359/57e0e6c4f9bb/SMLL-21-2408727-g012.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d49e/11798359/91f77d09d213/SMLL-21-2408727-g011.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d49e/11798359/b58a82c4a611/SMLL-21-2408727-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d49e/11798359/0a5655338115/SMLL-21-2408727-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d49e/11798359/f597f9d537e6/SMLL-21-2408727-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d49e/11798359/f1cc38a01fd2/SMLL-21-2408727-g004.jpg

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