Issue 32, 2021

Efficient capturing of hydrogen peroxide in dilute aqueous solution by co-crystallization with amino acids

Abstract

Hydrogen peroxide (H2O2) was efficiently captured by co-crystallization with enantiomeric and racemic amino acids such as L-phenylalanine, DL-phenylalanine, and DL-asparagine in a dilute aqueous solution of H2O2 (30%) to unveil the requisites for efficient capturing of H2O2. In further dilute solutions of H2O2 (0.5–20%), L-Phe provided certain amounts of co-crystals with H2O2; however, co-crystals with H2O2 were hardly obtained for DL-Phe and DL-Asn. The efficient H2O2 capturing with L-Phe can be ascribed to its layered motif involving water molecules. The results obtained here would contribute to the development of an adsorbent that can efficiently capture H2O2 produced in environment-friendly H2O2-production systems such as photocatalytic systems.

Graphical abstract: Efficient capturing of hydrogen peroxide in dilute aqueous solution by co-crystallization with amino acids

Supplementary files

Article information

Article type
Paper
Submitted
25 Maijs 2021
Accepted
03 Jūl. 2021
First published
06 Jūl. 2021

CrystEngComm, 2021,23, 5456-5462

Efficient capturing of hydrogen peroxide in dilute aqueous solution by co-crystallization with amino acids

R. Yamaguchi, R. Tanaka, M. Maetani, H. Tabe and Y. Yamada, CrystEngComm, 2021, 23, 5456 DOI: 10.1039/D1CE00688F

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