Chemistry

Observation of crystallisation dynamics by crystal-structure-sensitive room-temperature phosphorescence from Au(I) complexes

Y. Kuroda, M. Tamaru, et al.

This groundbreaking study delves into the fascinating world of room-temperature phosphorescence (RTP) in trinuclear Au(I) complexes. Conducted by a team of researchers from Ritsumeikan University, the findings reveal the intricate relationship between crystal structure and phosphorescence, with implications for new material properties at the nanoscale.

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Abstract

This study investigates the aggregation-induced room-temperature phosphorescence (RTP) of trinuclear Au(I) complexes. The RTP is highly sensitive to crystal structure, with variations in alkyl side chains affecting both crystal structure and RTP maximum. Reversible RTP color changes are observed in nanocrystals due to phase transitions between crystal polymorphs during growth or pulverization. The mechanism involves intermolecular interactions within the crystal structure. The findings enhance understanding of crystallization mechanisms and may lead to new material properties in nano- to micrometer-sized solids.

Publisher

Communications Chemistry

Published On

Oct 14, 2020

Authors

Yuki Kuroda, Masakazu Tamaru, Hitoya Nakasato, Kyosuke Nakamura, Manami Nakata, Kyohei Hisano, Kaori Fujisawa, Osamu Tsutsumi

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