Expensive noble metals often play a vital role in illuminating screens or converting solar energy into fuels. Now, chemists at the University of Basel have succeeded in replacing these rare elements with a significantly cheaper metal. In terms of their properties, the new materials are very similar
We’re familiar with chromium from everyday applications such as chromium steel in the kitchen or chrome-plated motorcycles. Soon, however, the element may also be found in the screens of ubiquitous mobile phones or used to convert solar energy.
Chromium is a lustrous, hard, steel-gray metal with the atomic number 24 on the periodic table. It is renowned for its ability to resist tarnishing and corrosion, and is primarily used in the production of stainless steel and as a coating to produce chrome-plated finishes. Additionally, certain chromium compounds are used in dyes, pigments, and tanning processes.
Encased in its rigid organic framework, chromium proves to be much more reactive than noble metals when exposed to light. This paves the way for photochemical reactions that are otherwise difficult to initiate. A potential application could be in the production of active pharmaceutical ingredients.For a long time, the search for sustainable and cost-effective materials without noble metals focused primarily on iron and copper.
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