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A monomolecular platform with varying gated photochromism

机译：具有不同门控光学变色的单分子平台

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In the development of modern high-performance photoelectric materials, the gated photochromic materials have attracted wide attention. However, the integration of varying signal regulations into gated photochromism to construct efficient photochromic materials is still an urgent necessity. Herein, we designed and synthesized a new gated photoswitching DTEP based on a Schiff base with a diarylethene core. The photochromic properties of compound DTEP can be regulated to different degrees by multiple stimuli, including UV/visible light, Cu ~(2+) and Ni ~(2+) . The compound DTEP showed different response abilities to Cu ~(2+) and Ni ~(2+) , due to the diverse complexation modes between DTEP and Cu ~(2+) as well as Ni ~(2+) . The photochromic properties of compound DTEP could be inhibited completely by the introduction of Cu ~(2+) to form a 1?:?1 complexation, while the weak gated photochromism could be found from the DTEP –Ni ~(2+) complex in a 1?:?2 stoichiometry. Relying on such varying degrees of gated photochromic properties, a new molecular logic circuit was constructed to undertake complicated logical operations.
机译：在现代高性能光电材料的开发中，门控光致变色材料引起了广泛的关注。然而，将不同的信号规则与构建有效光致变色材料的门控光致变色的集成仍然是一种迫切的必要性。在此，我们基于具有二芳基乙烯核心的席夫碱设计和合成了一种新的门控照片DTEP。复合DTEP的光致变色特性可以通过多种刺激调节到不同程度，包括UV /可见光，Cu〜（2+）和Ni〜（2+）。由于DTEP和Cu〜（2+）和Ni〜（2+）之间的不同络合模式以及Ni〜（2+），复合DTEP向Cu〜（2+）和Ni〜（2+）显示出不同的反应能力。通过引入Cu〜（2+）可以完全抑制复合DTEP的光致变色特性以形成1？：1络合，而可以从DTEP-NI〜（2+）复合物中发现弱门控光致铬化1？：2个化学计量。依赖于这种不同程度的门控光致变色特性，构建了一种新的分子逻辑电路以进行复杂的逻辑操作。

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