Journal Article Research Support, Non-U.S. Gov't aluminum glycinate conductive composites crystallization processes flexible and stretchable electronics high aspect ratio high efficiency high efficiency and stability interface‐driven energy losses inverted perovskite solar cells metal metal electroless deposition nanofabrication neural network hardware n‐type small molecules organic electrochemical synaptic transistors organic mixed ionic‐electronic conductors perovskite solar cells polymer brushes reservoir computing rewritable scanning probe lithography successive interactions three-dimensional networks wide and narrow bandgap