Highly Ambient-Stable 1T-MoS2 and 1T-WS2 by Hydrothermal Synthesis under High Magnetic Fields,ACS Nano

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Highly Ambient-Stable 1T-MoS2 and 1T-WS2 by Hydrothermal Synthesis under High Magnetic Fields
ACS Nano ( IF 15.8 ) Pub Date : 2019-01-16 00:00:00 , DOI: 10.1021/acsnano.8b07744
Wei Ding _{1,

2,

3} , Lin Hu ₄ , Jianming Dai ₁ , Xianwu Tang ₁ , Renhuai Wei ₁ , Zhigao Sheng _{4,

5} , Changhao Liang ₁ , Dingfu Shao ₆ , Wenhai Song ₁ , Qiannan Liu ₃ , Mingzhe Chen ₃ , Xiaoguang Zhu ₁ , Shulei Chou ₃ , Xuebin Zhu ₁ , Qianwang Chen _{2,

4} , Yuping Sun _{1,

4,

5} , Shi Xue Dou ₃

Affiliation

The phase-controlled synthesis of metallic and ambient-stable 2D MX₂ (M is Mo or W; X is S) with 1T octahedral coordination will endow these materials with superior performance compared with their semiconducting 2H coordination counterparts. We report a clean and facile route to prepare 1T-MoS₂ and 1T-WS₂ through hydrothermal processing under high magnetic fields. We reveal that the as-synthesized 1T-MoS₂ and 1T-WS₂ are ambient-stable for more than 1 year. Electrochemical measurements show that 1T-MoS₂ performs much better than 2H-MoS₂ as the anode for sodium ion batteries. These results can provide a clean and facile method to prepare ambient-stable 1T-phase MX₂.

中文翻译：

高磁场下水热合成的高环境稳定性1T-MoS ₂和1T-WS ₂

具有1T八面体配位的金属和环境稳定的2D MX ₂（M为Mo或W； X为S）的相控合成将使这些材料与半导体2H配位化合物相比具有更高的性能。我们报告了在高磁场下通过水热处理制备1T-MoS ₂和1T-WS ₂的清洁而便捷的路线。我们发现合成后的1T-MoS ₂和1T-WS ₂在环境中稳定超过1年。电化学测量表明1T-MoS ₂的性能比2H-MoS ₂好得多作为钠离子电池的阳极。这些结果可以提供一种干净且容易的方法来制备环境稳定的1T相MX ₂。

更新日期：2019-01-16

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