Volume 89 Issue 49 | p. 35 | Concentrates
Issue Date: December 5, 2011

Glowing Ring Could Find Use In Electronics

Boron-rich “anti-porphyrin,” able to switch between electron-rich and electron-poor states, could be used in sensors, optoelectronics
Department: Science & Technology
News Channels: JACS In C&EN, Materials SCENE, Nano SCENE
Keywords: Macrocycle, boron, materials science, inorganic chemistry, fluorescent

Boron’s electron-poor qualities facilitate the kind of electronic communication that chemists are keen to capture for sensors and devices. But corralling boron in a common sensor framework, such as the large ring structures called macrocycles, hasn’t been fruitful because the syntheses strip boron of most of its electron-poor character. Frieder Jäkle and Pangkuan Chen of Rutgers University now report a way around this problem. By latching together relatively long boron-containing oligomers at . . .

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