A chemist accidentally created the first new inorganic blue pigment in two centuries
In short: For centuries, blue pigments were derived from sources as strange as crushed beetles or ground-up mummies. Then, in 2009, researcher Mas Subramanian stumbled upon a vibrant new blue while hunting for computer memory materials. It was a serendipitous discovery that changed the history of color forever.
The story of YInMn blue began not in an art studio, but in a chemistry lab at Oregon State University. Mas Subramanian, a professor specializing in new materials, was conducting experiments in 2009 with the goal of finding a substance suitable for advanced computer memory. His process involved mixing various elements from the periodic table and heating them to high temperatures, a method he describes as a complex game of guess and check.
During one of these trials, Subramanian instructed a graduate student to combine three specific components: yttrium oxide, indium oxide, and manganese oxide. While the individual powders were white, yellow, and black, the resulting mixture emerged from the furnace with an intense, shocking blue hue. This was entirely unexpected, as manganese-based materials typically manifest as gray or black. Subramanian, who has held patents for 60 different materials, immediately recognized that he had found something unique.
Although the material failed to provide the electronic properties he originally sought, Subramanian realized its potential as a pigment. He named the discovery YInMn blue, derived from the chemical symbols of its constituent elements. This breakthrough marked the first discovery of an inorganic blue pigment in over 200 years, with the previous innovation dating back to the era when Thomas Jefferson was president. Today, it stands as the newest permanent inorganic blue pigment available on the market, proving that even in rigorous scientific research, the most valuable discoveries can sometimes arrive entirely by accident.
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Sources
- Summary by Intellect · source: An Accidental Case of the Blues | Podcast | Overheard at National Geographic
- Also: Episode 7: An accidental case of the blues
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