近日，我校材料科學(xué)與工程學(xué)院（文物保護(hù)科學(xué)與技術(shù)學(xué)院）碳基功能材料創(chuàng)新團(tuán)隊(duì)在光催化研究領(lǐng)域取得重要進(jìn)展，相關(guān)研究成果以“Photocatalytic H₂O₂ Generation Reaction with A Benchmark Rate at Air-Liquid-Solid Joint Interfaces”為題，發(fā)表于國際頂級期刊《Advanced Materials》（IF=29.4）上。我校為論文第一通訊單位，碩士研究生嚴(yán)仕偉（現(xiàn)為華南理工大學(xué)博士生）為第一作者，陜西科技大學(xué)李永副教授、昆士蘭科技大學(xué)許景三副教授和陜西科技大學(xué)宋浩杰教授分別為論文通訊作者。該工作的發(fā)表提高了我校在光催化材料領(lǐng)域的國際影響力。

電荷復(fù)合速度快、雙電子氧還原反應(yīng)選擇性低、O₂擴(kuò)散速率低等問題阻礙了光催化產(chǎn)H₂O₂的實(shí)際應(yīng)用?；诖耍竟ぷ鲃?chuàng)新性提出通過界面工程改善光催化過程中的傳質(zhì)障礙，構(gòu)建一種氣-液-固三相界面催化系統(tǒng)，用于從純水中高效光催化生成H₂O₂。其中，以三聚氰胺-三聚氰酸前體(MCP)和聚吡咯(PPy)超分子熱解合成花狀石墨相碳化氮（Cv-PCN）高選擇性的將O₂還原為H₂O₂。隨后將其負(fù)載的多孔材料表面并進(jìn)行界面潤濕性調(diào)控構(gòu)建氣-液-固三相界面光催化體系，該體系大大降低了O₂的傳質(zhì)阻力，有效地提高了界面O₂濃度，從而極大提高了光生電子與空穴的分離效率和 H₂O₂的反應(yīng)動力學(xué)。本研究為高效光催化生產(chǎn)H₂O₂催化體系的設(shè)計(jì)提供了新的思路。

附：團(tuán)隊(duì)近三年代表性論文：

[1] Photocatalytic H₂O₂ Generation Reaction with A Benchmark Rate at Air-Liquid-Solid Joint Interfaces, Advanced Materials, 2023, 2307967.

https://onlinelibrary.wiley.com/doi/10.1002/adma.202307967

[2] Insight into MoS₂-MoN Heterostructure to Accelerate Polysulfide Conversion toward High-Energy-Density Lithium-Sulfur Batteries. Advanced Energy Materials, 2021, 11: 2003314.

https://onlinelibrary.wiley.com/doi/10.1002/aenm.202003314

[3] Transition Metal Compounds Family for Li-S Batteries: The DFT-Guide for Suppressing Polysulfides Shuttle. Advanced Functional Materials, 2023, 33, 202300825

https://onlinelibrary.wiley.com/doi/10.1002/adfm.202300825

[4] Superelastic, Highly Conductive, Superhydrophobic, and Powerful Electromagnetic Shielding Hybrid Aerogels Built from Orthogonal Graphene and Boron Nitride Nanoribbons. ACS NANO, 2022, 16:17049

https://pubs.acs.org/doi/10.1021/acsnano.2c07187

[5] Integrated reduced graphene oxide/polypyrrole hybrid aerogels for simultaneous photocatalytic decontamination and water evaporation. Applide Catalysis B-Environmental. 2022, 301, 120820.

https://www.sciencedirect.com/science/article/pii/S0926337321009450?via%3Dihub

[6] Uncovering the origin of full-spectrum visible-light-responsive polypyrrole supramolecular photocatalysts. Applide Catalysis B-Environmental. 2021, 287, 119926.

https://www.sciencedirect.com/science/article/pii/S0926337321000527?via%3Dihub

[7] Immobilizing Polysulfide via Multiple Active Sites in W18O49 for Li-S batteries by Oxygen Vacancy Engineering. Energy Storage Materials, 2021, 43: 422.

https://www.sciencedirect.com/science/article/pii/S2405829721004426?via%3Dihub

[8] Synergistic regulating of dynamic trajectory and lithiophilic nucleation by Heusler alloy for dendrite-free Li deposition. Energy Storage Materials, 2022, 50: 505.

https://www.sciencedirect.com/science/article/pii/S2405829722002951?via%3Dihub

新聞小貼士：

碳基功能材料創(chuàng)新團(tuán)隊(duì)現(xiàn)有教授2人和副教授5人，其中3人入選“2023年度全球前2%頂尖科學(xué)家榜單”。主要從事新型碳基納米復(fù)合材料的制備與應(yīng)用研究。近年來，在Advanced Materials, Advanced Energy Materials, Advanced Functional Materials, Applied Catalysis B: Environmental, Energy Storage Materials, ACS Nano, Journal of Materials Chemistry A, Chemical Engineering Journal等國際期刊發(fā)表90余篇高水平論文。指導(dǎo)學(xué)生先后獲“挑戰(zhàn)杯”大學(xué)生課外學(xué)術(shù)科技作品競賽大賽國家級銅獎、“互聯(lián)網(wǎng)+”大學(xué)生創(chuàng)新創(chuàng)業(yè)大賽國家級銅獎、光威杯中國復(fù)合材料學(xué)會大學(xué)生科技創(chuàng)新競賽二等獎等10余項(xiàng)科技創(chuàng)新獎勵。團(tuán)隊(duì)具有良好的學(xué)術(shù)生態(tài)環(huán)境，始終秉承“開拓創(chuàng)新，合作共贏”的理念，并入選2023年陜西省高校青年創(chuàng)新團(tuán)隊(duì)。

（核稿：王卓 編輯：劉倩）