Patent ID: 11871648
Assignee: TAIYUAN UNIVERSITY OF TECHNOLOGY
Field: nan (nan)
Classification: CPC H  Y | IPC H

Claim 0:
1. A method for preparing an organic photomultiplication photodetector, the organic photomultiplication photodetector comprising:
an anode layer;
an anode modification layer;
an interfacial modification layer made of aluminum oxide (Al2O3);
an active layer; and
a cathode layer;
the method comprising:
(S1) preparing a solution of the active layer;
(S2) cleaning an indium tin oxide (ITO) glass substrate followed by processing with a plasma cleaner to be used as the anode layer; and applying a poly(3,4-ethylenedioxythiophene):poly(styrenesulfonate) (PEDOT:PSS) layer on the anode layer by spin-coating as the anode modification layer;
(S3) depositing Al2O3 on the anode modification layer by atomic layer deposition (ALD) to obtain an Al2O3 film as the interfacial modification layer;
(S4) applying a poly(3-hexylthiophene-2,5-diyl):[6,6]-phenyl-C70-butyric acid methyl ester (P3HT:PC70BM) layer on the interfacial modification layer by spin coating as the active layer; and
(S5) depositing a layer of aluminum, silver or gold on the active layer by thermal evaporation as the cathode layer.