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Zinc Oxide Breakthrough Creates High Performing LEDs

[social_buttons]German scientists have discovered a method of hydrogen doping that allows the production of higher-performing LEDs and other semiconductors.

Check out this HOT story: Los Angeles Installing 140,000 New LED Streelights Starting June ’09

The scientists provided evidence that hydrogen disturbs the process of doping with zinc oxide (ZnO). But a controlled concentration of hydrogen atoms might be the key to making use of ZnO in semiconductor production.

Doping is necessary to activate semiconductors. It involves inserting foreign atoms into the crystal lattice of a solid. These foreign atoms either release an electron (n-doping), or absorb an electron, thus creating a “hole” in the solid (p-doping).

Scientists have really struggled with p-doping and hydrogen. hydrogen atoms always result in n-doping. And according to ScienceDaily, this disturbs the process greatly. Stupid hydrogen!

P-doping is necessary to create LEDs and transistors.

By the way, zinc oxide is everywhere – thousands of tons are produced all over the world every year! It is used in everything from food to sunscreen. Okay, that’s kinda gross.

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Source: ScienceDaily |  Photo: © Evgeniy Mitroshkin |

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Written By

is a web developer, part-time blogger, and a full-time environmentalist. His crusade for all things eco started twenty years ago when he ditched his meat-and-potatoes upbringing for something more vegetarian-shaped. His passions include cooking, green tech, eco politics, and smart green design. And while he doesn't own a car anymore, he loves to write about those too. Jerry studied at Cal Poly in San Luis Obispo, CA. During his time there he was a DJ at the campus station KCPR and he also wrote for the campus paper. Jerry currently resides in San Francisco, CA with his cat Lola. You can stalk him on Twitter @jerryjamesstone.


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