质子
电导率
分子
超分子化学
结晶学
氢键
离子
水热合成
热液循环
材料科学
晶体结构
化学
质子输运
热传导
物理化学
化学工程
物理
有机化学
量子力学
复合材料
工程类
作者
Jia‐Peng Cao,Yuanhang Ren,Hongxin Ding,Jining Shang,Bin Yue,Heyong He
标识
DOI:10.1016/j.inoche.2023.111053
摘要
A new fully reduced Hourglass-type {(P4Mo6)2Zn}-based compound, [(H6P4MoV6O31)2Zn3]·3C10H10N2·8H2O (PMoZn-1), has been successfully synthesized under hydrothermal condition. Single crystal X-ray diffraction analysis indicates that PMoZn-1 contains an infinite two-dimensional layer connected by {(P4Mo6)2Zn} and Zn ions, which further constructs three-dimensional supramolecular structure by hydrogen bonds. The proton conduction (σ) and activation energy (Ea) of PMoZn-1 are 5.74 × 10−5 S cm−1 and 0.42 eV under 80 ℃ and 98% RH. [(H7P4MoV6O31)2Zn][Zn(C12H12N2)(H2O)]2[Zn(C12H12N2)(H2O)2]2·16H2O (PMoZn-2) was synthesized to compare the proton conductivity with PMoZn-1. Due to high proton mobility, free water molecules and coordinative unsaturated {PO4} in PMoZn-2, proton conductivity of PMoZn-2 is higher than PMoZn-1. The σ and Ea can reach 6.65 × 10−3 S cm−1 and 0.63 eV for PMoZn-2, which indicates that PMoZn-2 may be a potential proton conductive material.
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