Spray pyrolysis method- FTO glass(anode) emissive layer - cdse electro deposition method Sputtering - silver /aluminium (cathode ) This is the method i am following
Have you considered including a hole transport layer in your device? for example PEDOT:PSS to help transport in the transport of the holes to the emissive layer
If you going to do that, make sure you get an uniform organic layer without pin-hole or else.....u will get short . Also your cathode should be at least Al/silver rather than silver/Al. Expect the device performance to be terrible and easily get short.
FTO or ITO glass surface is often not uniform....so flattening it might help.
Data Enhancement of the work function of indium tin oxide by surf...