Engineering

Engineers improve solar cell efficiency, stability

Purdue University researchers have created new, multifunctional ligands that improve the charge transfer, power conversion capability and long-term stability of perovskite solar cells.

Engineering

World's smallest wearable device monitors UV exposure

A Northwestern University professor, working in conjunction with the global beauty company L'Oréal, has developed the smallest wearable device in the world. The wafer-thin, feather-light sensor can fit on a fingernail and ...