Researchers developed a new blue light emitting hybrid graphene oxide nanosheets. The team used surface functionalization to turn the cyan (491 nm) emitting sheets into 400 nm blue. The team fabricated the new material through the graphene oxide surface functionalization with aryl diazonium salts of 2-aminoanthracene.

The researchers say that these surface-functionalized graphene oxide hybrids has unique optical properties - and they may play an exciting role in opto-electronic devices.

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