Imagine a crystal that changes color just by coming into contact with a pollutant, almost instantly revealing its presence. Scientists at Japan’s Shibaura Institute of Technology (SIT) have developed ...

(Nanowerk Spotlight) Structural colors – the vibrant hues that arise not from pigments but from the interaction of light with microscopic structures – are among nature’s most captivating phenomena.

Charge transfer, or the movement of electrons, can occur either within a molecule or between two molecules. Combining the two types of charge transfer is challenging. Now, scientists have developed a ...

Blue sharks possess a secret hidden in their skin: a sophisticated arrangement of microscopic crystals and pigments that create their brilliant blue appearance — and may allow them to change color.

A donor-acceptor pyrazinacene derivative with triphenylamine substituents selectively detects naphthalene via π-hole⋅⋅⋅π interactions, inducing a striking, reversible color change from greenish-blue ...