Scientists in the Republic of Korea have treated zinc oxide nanorods in piezoelectric nanogenerators (which use mechanical vibrations, such as body movement and air flow, to power electronic devices) to a thermal annealing process to improve their output voltage. The output was 25 times higher than nanorods that had not been treated, even under ultraviolet light.
Reliable operation of nanogenerator under ultraviolet light via engineering piezoelectric potential
Thanh Toan Pham, Keun Young Lee, Ju-Hyuck Lee, Kwon-Ho Kim, Kyung-Sik Shin, Manoj K. Gupta, Brijesh Kumar and Sang-Woo Kim
DOI: 10.1039/C2EE23980A
