DURING the course of chromatographic studies on 1,4-dimethyl-1,4-diphenyl-2-tetrazene (I), C6H5 (CH3)N— N=N—N (CH3)C6H5, a new experimental anti-cancer agent1, there was noticed a blue colour ...

Solution processing is a scalable means of depositing large-area electronics for applications in displays, sensors, smart windows, and photovoltaics. However, solution routes typically yield films ...