Superprotonic conductivity of MOFs confining zwitterionic sulfamic acid as proton source and conducting medium
A few metal–organic frameworks (MOFs), which typically use strong acids as proton sources,
display superprotonic conductivity (≈ 10− 1 S cm− 1); however, they are rare due to the
instability of MOFs in highly acidic conditions. For the first time, we report superprotonic
conductivity using a moderately acidic guest, zwitterionic sulfamic acid (HSA), which is
encapsulated in MOF‐808 and MIL‐101. HSA acts not only as a proton source but also as a
proton‐conducting medium due to its extensive hydrogen bonding ability and zwitterion …
display superprotonic conductivity (≈ 10− 1 S cm− 1); however, they are rare due to the
instability of MOFs in highly acidic conditions. For the first time, we report superprotonic
conductivity using a moderately acidic guest, zwitterionic sulfamic acid (HSA), which is
encapsulated in MOF‐808 and MIL‐101. HSA acts not only as a proton source but also as a
proton‐conducting medium due to its extensive hydrogen bonding ability and zwitterion …
Rücktitelbild: Superprotonic Conductivity of MOFs Confining Zwitterionic Sulfamic Acid as Proton Source and Conducting Medium (Angew. Chem. 29/2023)
A Sharma, J Lim, S Lee, S Han, J Seong… - Angewandte …, 2023 - Wiley Online Library
. Superprotonic conductivity……, utilizing MOFs embedded with a moderately acidic guest—
zwitterionic sulfamic acid (HSA)—was demonstrated by Myoung Soo Lah etal. in their
Research Article (e202302376). HSA not only acted as a proton source, but also as a proton-
conducting medium. The MOFs, which had been filled with high quantities of HSA using a
sustained concentration gradient method, exhibited impressive superprotonic conductivity,
in the order of 10À1 S cmÀ1. Furthermore, they maintained their stability for a period of 7 …
zwitterionic sulfamic acid (HSA)—was demonstrated by Myoung Soo Lah etal. in their
Research Article (e202302376). HSA not only acted as a proton source, but also as a proton-
conducting medium. The MOFs, which had been filled with high quantities of HSA using a
sustained concentration gradient method, exhibited impressive superprotonic conductivity,
in the order of 10À1 S cmÀ1. Furthermore, they maintained their stability for a period of 7 …
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