Stimuli-responsive behavior of naphthyl acylhydrazone derivative and its application in information security protection
作者:Hongyang Qi、Binglian Bai、Haitao Wang、Mingang Zhang、Yilin Chen、Jue Wei、Min Li、Hong Xin
DOI:10.1016/j.saa.2020.118768
日期:2020.12
NTH-mB8 films fumed by trifluoroacetic acid (TFA)/triethylamine (TEA) (or standing at room temperature) vapors show reversible fluorescence on/off switching property. The cast film of NTH-mB8 exhibited almost no fluorescence. The NTH-mB8 film fumed by TFA vapor exhibited intensive cyan emission, which was quickly quenched by TEA vapor. The reversible remarkable fluorescence on/off switching properties
含有萘基的酰基hydr衍生物,即3,5-双辛氧基-苯甲酸萘-1-基亚甲基酰肼(NTH-mB8)和4-甲氧基苯甲酸萘-1-基亚甲基酰肼(NTH-P1)是合成的。在NTH-P1单晶中观察到萘基与-NH···O = C-的分子间氢键的π-π相互作用,其中-C = N-键表现出反式-异构体。NTH-MB8显示光响应行为,由于光诱导反式-顺-C = N-键的异构化。有趣的是,被三氟乙酸(TFA)/三乙胺(TEA)熏蒸(或在室温下放置)的NTH-mB8薄膜具有可逆的荧光开/关切换特性。NTH-mB8的流延膜几乎没有荧光。由TFA蒸气熏蒸的NTH-mB8膜表现出强烈的蓝绿色发射,并通过TEA蒸气快速淬灭。NTH-mB8的可逆显着的荧光开/关切换特性表明,NTH-mB8的有机溶液可以用作安全墨水,而无需在信息安全保护中使用覆盖剂。