Liquid Phase Exfoliation of Few-Layer Non-Van der Waals Chromium Sulfide

被引：3
|
作者：
Su, Wenjie [1 ]
Kuklin, Artem [2 ]
Jin, Ling Hua [1 ]
Engelgardt, Dana [3 ,4 ]
Zhang, Han [5 ]
Agren, Hans [2 ]
Zhang, Ye [1 ]
机构：
[1] Univ South China, Sch Chem & Chem Engn, Hengyang 421001, Peoples R China
[2] Uppsala Univ, Dept Phys & Astron, Box 516, SE-75120 Uppsala, Sweden
[3] Kyungpook Natl Univ, Coll Nat Sci, Dept Chem, 80 Daehakro, Daegu 41556, South Korea
[4] Siberian Fed Univ, Int Res Ctr Spect & Quantum Chem IRC SQC, 79 Svobodny Pr, Krasnoyarsk 660041, Russia
[5] Shenzhen Univ, Inst Microscale Optoelect, Collaborat Innovat Ctr Optoelect Sci & Technol, Int Collaborat Lab 2D Mat Optoelect Sci & Technol,, Shenzhen 518060, Peoples R China
来源：
ADVANCED SCIENCE | 2024年 / 11卷 / 31期
基金：
俄罗斯科学基金会; 瑞典研究理事会;
关键词：
antiferromagnetic behavior; DFT calculation; non-vdW material; photocatalytic activity; ultrathin Cr2S3 nanoplate; PHOTOANODE;
D O I：
10.1002/advs.202402875
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Exfoliation of 2D non-Van der Waals (non-vdW) semiconductor nanoplates (NPs) from inorganic analogs presents many challenges ahead for further exploring of their advanced applications on account of the strong bonding energies. In this study, the exfoliation of ultrathin 2D non-vdW chromium sulfide (2D Cr2S3) by means of a combined facile liquid-phase exfoliation (LPE) method is successfully demonstrated. The morphology and structure of the 2D Cr2S3 material are systematically examined. Magnetic studies show an obvious temperature-dependent uncompensated antiferromagnetic behavior of 2D Cr2S3. The material is further loaded on TiO2 nanorod arrays to form an S-scheme heterojunction. Experimental measurements and density functional theory (DFT) calculations confirm that the formed TiO2@Cr2S3 S-scheme heterojunction facilitates the separation and transmission of photo-induced electron/hole pairs, resulting in a significantly enhanced photocatalytic activity in the visible region.
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页数：10
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