Chemoelectronics: Nanoparticle Diodes and Devices That Work When Wet

Chemoelectronics: Nanoparticle Diodes and Devices That Work When Wet

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Dexter Johnson has a writeup about flexible, water-loving logic circuits and sensors without the need of semiconductors.

They constructed the chemoelectronic devices by coating gold nanoparticles with any of four types of organic molecules called ligands. Each ligand produces a different, charge-related effect when put in water or a humid environment. One dissolved, releasing a postive ion and leaving the nanoparticle surrounded in negative charge. Another had the opposite effect, making the nanoparticle positive and releasing a negative ion.

Chemoelectronics: Nanoparticle Diodes and Devices That Work When Wet – [Link]

About mixos

Mike is the founder and editor of Electronics-Lab.com, an electronics engineering community/news and project sharing platform. He studied Electronics and Physics and enjoys everything that has moving electrons and fun. His interests lying on solar cells, microcontrollers and switchmode power supplies. Feel free to reach him for feedback, random tips or just to say hello :-)

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