Patent ID: 11903225
Assignee: NANOCO 2D MATERIALS LIMITED
Field: Measurement (Instruments)
Classification: CPC H  C  G  Y | IPC C  G  H

Claim 0:
1. A heterostructure photodetector comprising:
a first electrode;
a first photoabsorbing layer comprising a first photoabsorbing material;
an interlayer disposed between the first electrode and the first photoabsorbing layer, wherein
the interlayer is made of a metal oxide having zinc, titanium, vanadium or nickel, and
the interlayer has a thickness ranging from about 100 nm to about 1000 nm;
a second photoabsorbing layer disposed on the first photoabsorbing layer, the second photoabsorbing layer comprising a second photoabsorbing material; and
a second electrode disposed on the second photoabsorbing layer, wherein
the first photoabsorbing material is a plurality of two-dimensional (2D) nanosheets and the second photoabsorbing material is a plurality of 2D quantum dots (QDs), or
the first photoabsorbing material is a plurality of 2D QDs and the second photoabsorbing material is a plurality of 2D nanosheets.