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First luminescent molecular system with a lower critical solution temperature

Depending on their solubility, solids can completely dissolve in liquids to form clear solutions, or form suspensions that still contain undissolved solid. Solutions of polymers often have a lower critical solution temperature; only below this temperature is the polymer completely soluble at all concentrations.

However, it is rare for non-polymeric mixtures to have a lower critical solution temperature because small molecules usually become more soluble as they are heated.

Osaka University researchers have now created a mixture of small organic and inorganic molecules that has a lower critical solution temperature. Their luminescent mixture is easily switched from a solution to a suspension and back again, simply by changing the temperature. The system, which has a different emission color depending on whether it is in the solution or suspension state, will be useful for the development of new thermo-responsive materials that change color when heated. The study was recently published in the journal Advanced Materials.

Read more.

What Is a quantum leap?

A quantum leap is an election jumping up an energy level. When the electron jumps up - it does not exist until it reaches the next energy level. When it falls back down an energy level - it releases the energy as light.

“We are analog beings living in a digital world, facing a quantum future.” Neil Turok

All bets are off on what might be the next costume…