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Dalton Transactions

Spin–lattice relaxation of copper and vanadyl porphyrins in extended molecular framework materials

Yukina Suzuki, ORCID logo *a   Kazunobu Sato, ORCID logo b   Masanori Wakizaka, ORCID logo c   Ryota Sakamoto ORCID logo a  and  Masahiro Yamashita ORCID logo *ad  

* Corresponding authors

a Department of Chemistry, Graduate School of Science, Tohoku University, 6-3 Aramaki-Aza-Aoba, Aoba-Ku, Sendai 980-8578, Japan
E-mail: suzuki.yukina.s2@dc.tohoku.ac.jp, masahiro.yamashita.c5@tohoku.ac.jp

b Department of Chemistry, Graduate School of Science, Osaka Metropolitan University, 3-3-138 Sugimoto, Sumiyoshi-Ku, Osaka 558-8585, Japan

c Department of Applied Chemistry and Bioscience, Faculty of Science and Technology, Chitose Institute of Science and Technology, 758-65 Bibi, Chitose 066-8655, Japan

d School of Chemical Science and Engineering, Tongji University, Siping Road 1239, Shanghai 200092, P. R. China

Abstract

Spin–lattice relaxation times (T1) of Cu(II) and VO(IV) porphyrins in extended framework materials (covalent, hydrogen-bonded, and metal–organic frameworks) are investigated as prototypical molecular spin qubits. All framework materials studied here exhibit longer T1 values than the corresponding metal tetraphenylporphyrin (MTPP) crystals.

Graphical abstract: Spin–lattice relaxation of copper and vanadyl porphyrins in extended molecular framework materials

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Article information

DOI
https://doi.org/10.1039/D6DT00996D
Article type
Communication
Submitted
29 Apr 2026
Accepted
02 Jun 2026
First published
03 Jun 2026

Dalton Trans., 2026, Advance Article

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Spin–lattice relaxation of copper and vanadyl porphyrins in extended molecular framework materials

Y. Suzuki, K. Sato, M. Wakizaka, R. Sakamoto and M. Yamashita, Dalton Trans., 2026, Advance Article , DOI: 10.1039/D6DT00996D

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