Kyoto University professor Hiroyuki Yano developed a new technology that produces transparent paper (cellulose nanofibers). This new material may be used as a substrate for transparent OLED panels, OPVs and other applications.

Cellulose nanofibers are very strong (eight times stronger than steel, in fact) but also very light. By adding resin to the nanofibers, they become transparent. Yano's transparent sheets are only 100 micrometer thick and feature a light transmittance of 87.8%.

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