文献类型：期刊文献

英文题名：Universal Strategies for in Situ Probing and Manipulating the Electrified Interfacial Water Adsorption Dynamics

作者：Chu, Tianshu[1,2,3]; Mao, Xinyuan[1,2,3]; Zhang, Bowei[1,2,3,4]; Xuan, Fu-Zhen[1,2,3]

机构：[1] Shanghai Key Laboratory of Intelligent Sensing and Detection Technology, East China University of Science and Technology, Shanghai, 200237, China; [2] School of Mechanical and Power Engineering, East China University of Science and Technology, Shanghai, 200237, China; [3] Key Laboratory of Pressure Systems and Safety of Ministry of Education, East China University of Science and Technology, Shanghai, 200237, China; [4] CPCIF Key Laboratory of Power Battery Systems and Safety, East China University of Science and Technology, Shanghai, 200237, China

年份：2022

外文期刊名：SSRN

收录：EI(收录号：20220307830)

语种：英文

外文关键词：Adsorption - Density functional theory - Fourier transform infrared spectroscopy - Humidity sensors - Molecules - Titanium carbide

摘要：Understanding and manipulating the ubiquitous electrified interfacial water adsorption dynamics are highly important in surface science, sensing, catalysis and energy storage. However, the interfacial water is extremely hard to probe due to the interference from bulk water and complex interfacial environments. Herein we report a strategy to explore the adsorption dynamics of electrified interfacial water through combing a dynamic humidity sensing system, the in situ diffuse reflectance infrared Fourier transform spectroscopy, and the density functional theory calculations. Moreover, by atomically engineering the Ti 3 C 2 T x with atomic Mo substitution of Ti, the water adsorption dynamics on the obtained Mo 2 TiC 2 T x were dramatically enhanced because the water molecules’ vibrations, adsorption energy, and adsorption sites were modulated. The Mo 2 TiC 2 T x was demonstrated as an excellent humidity-sensing material with an ultrahigh sensitivity of 1.75±0.06, fast response and hysteresis-free properties. This work provides universal strategies to in situ probe and manipulate the electrified interfacial water adsorption dynamics. ? 2022, The Authors. All rights reserved.