Patent ID: 11860541
Assignee: BOE TECHNOLOGY GROUP CO., LTD.
Field: Semiconductors (Electrical engineering)
Classification: CPC G  H  B  C | IPC B  C  G  H

Claim 0:
1. A method for preparing a silicon-based nanowire, comprising:
forming catalyst particles, guide walls and retaining walls on a base substrate, wherein:
the guide walls extend in a first direction;
the retaining walls and the guide walls intersect and are located in a same layer; and
the catalyst particles are located in areas defined by the retaining walls and the guide walls, and have a eutectic point with silicon;

forming an amorphous silicon film covering the catalyst particles, the guide walls and the retaining walls; and
forming silicon-based nanowires by annealing the amorphous silicon film to a growth of amorphous silicon from the catalyst particles and along the first direction.