Direct-Current Generator Based on Moving Van der Waals Schottky Diode

TL;DR

This paper introduces a novel moving van der Waals Schottky diode that converts mechanical energy into electrical energy with high voltage output, expanding the application scope of dynamic Schottky diodes.

Contribution

It presents the design and mechanism of a moving Schottky diode generator that operates dynamically, unlike traditional static diodes, and demonstrates its potential for efficient energy conversion.

Findings

Voltage output up to 0.6V achieved

Stable operation demonstrated with graphene/silicon diode

Potential for efficient mechanical-to-electrical energy conversion

Abstract

Traditionally, Schottky diodes are used statically in the electronic information industry but dynamic state Schottky diodes based applications have been rarely explored. Herein, a novel Schottky diode named moving Schottky diode generator has been designed, which can convert mechanical energy into electrical energy with voltage output as high as 0.6V, by means of lateral movement between graphene/metal film and semiconductor, where the semiconductor can be non-piezoelectric materials. The mechanism is based on the built-in electric field separation of drifting electrons in moving van der Waals Schottky diode. The power output can be further increased in future through optimizing the Schottky diode. The graphene film/silicon moving van der Waals Schottky diode based generator behaves better stability. This direct-current generator has the potential of converting mechanical efficiently and vibrational energy into electricity and enables many promising applications.