Oxley James D, Prozorov Tanya, Suslick Kenneth S
School of Chemical Science, University of Illinois at Urbana-Champaign, 600 S. Mathews Avenue, Urbana, Illinois 61801, USA.
J Am Chem Soc. 2003 Sep 17;125(37):11138-9. doi: 10.1021/ja029830y.
The sonication of ionic organic liquids leads to decomposition of the liquids. Multibubble sonoluminescence spectra and headgas analysis reveal a variety of decomposition products from the sonolysis of N,N'-dialkylimidazolium ionic liquids. The decomposition is a result of acoustic cavitation, which generates localized hot spots from the implosive collapse of bubbles in the ionic liquids. Despite the negligible vapor pressure of the ionic liquids, reaction still occurs in a heated shell of the bubbles or from microdroplets thrown into the collapsing bubbles.
离子有机液体的超声处理会导致液体分解。多泡声致发光光谱和顶空气体分析揭示了N，N'-二烷基咪唑鎓离子液体超声分解产生的多种分解产物。这种分解是声空化的结果，声空化会在离子液体中气泡的内爆塌陷产生局部热点。尽管离子液体的蒸气压可忽略不计，但反应仍会在气泡的加热壳层中或从抛入塌陷气泡的微滴中发生。
