Thermochromism and piezochromism of an atomically precise high-nuclearity silver sulfide nanocluster.

Authors :: Sun, Qiao-Qiao
Li, Qian
Li, Hai-Yang
Zhang, Miao-Miao
Sun, Meng-En
Li, Si
Quan, Zewei
Zang, Shuang-Quan
Source :: Chemical Communications; 3/7/2021, Vol. 57 Issue 19, p2372-2375, 4p
Publication Year :: 2021
Abstract: A novel high-nuclearity silver sulfide nanocluster [Ag<subscript>50</subscript>S<subscript>7</subscript>(SC<subscript>6</subscript>H<subscript>4</subscript>F)<subscript>36</subscript>(dppp)<subscript>6</subscript>]·4DMI, (hereafter abbreviated as 1⋅4DMI) was synthesised. Solvent-free crystals of 1 displayed a completely reversible narrowing and broadening of the optical band gap that was accompanied by visual thermochromism and piezochromism changeovers, when stimulated by varying temperatures between 113 and 413 K or by changing the pressure from 1 atm to 7.5 GPa. [ABSTRACT FROM AUTHOR]

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