Tuning proton dissociation energy in proton carrier doped 2D covalent organic frameworks for anhydrous proton conduction at elevated temperature

doi:10.1039/d0ta04488a

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	Tuning proton dissociation energy in proton carrier doped 2D covalent organic frameworks for anhydrous proton conduction at elevated temperature
	S. H. Chen; Y. Wu; Y. Zhang; W. X. Zhang; Y. Fu; W. B. Huang; Y. Tong and H. P. Ma
	2020
发表期刊	Journal of Materials Chemistry A
ISSN	2050-7488
卷号	8 期号:27 页码:13702-13709
摘要	A theoretical and experimental study gives insights into the change of proton dissociation energy of anhydrous proton carriers (phosphoric acid and 1,2,4-triazole) doped in 2D covalent organic frameworks (COFs) with neutral, polar, Lewis base and positively charged sites in their 1D channels. The dielectric properties of proton carrier incorporated COFs were investigated to determine the formation of nanoscale ionic phases in COFs' channels. The proton carrier doped cationic COF exhibits a much higher dielectric constant in the frequency range of 10(3)Hz to 10(7)Hz than other doped COFs, which may arise from the formation of ethidium-biphosphate or ethidium-triazole ion-pairs in charged COF channels. The ion-pairs lined along cationic COFs' channels produce an enhanced proton dissociation degree coupled with a high dielectric response, leading to a new proton conductivity record (2.77 x 10(-2)S cm(-1)) set by the cationic COF among all reported porous materials under anhydrous conditions and elevated temperatures.
DOI	10.1039/d0ta04488a
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收录类别	SCI ; EI
语种	英语
引用统计
文献类型	期刊论文
条目标识符	http://ir.ciomp.ac.cn/handle/181722/64979
专题	中国科学院长春光学精密机械与物理研究所
推荐引用方式 GB/T 7714	S. H. Chen,Y. Wu,Y. Zhang,et al. Tuning proton dissociation energy in proton carrier doped 2D covalent organic frameworks for anhydrous proton conduction at elevated temperature[J]. Journal of Materials Chemistry A,2020,8(27):13702-13709.
APA	S. H. Chen.,Y. Wu.,Y. Zhang.,W. X. Zhang.,Y. Fu.,...&Y. Tong and H. P. Ma.(2020).Tuning proton dissociation energy in proton carrier doped 2D covalent organic frameworks for anhydrous proton conduction at elevated temperature.Journal of Materials Chemistry A,8(27),13702-13709.
MLA	S. H. Chen,et al."Tuning proton dissociation energy in proton carrier doped 2D covalent organic frameworks for anhydrous proton conduction at elevated temperature".Journal of Materials Chemistry A 8.27(2020):13702-13709.

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