Organic semiconductor/perovskite heterojunction flexible wide-spectrum photosensitive field effect transistor and preparation method thereof

The invention discloses an organic semiconductor perovskite heterojunction flexible wide-spectrum photosensitive field effect transistor and a preparation method thereof, the organic semiconductor perovskite heterojunction flexible wide-spectrum photosensitive field effect transistor comprises a flexible substrate, a gate electrode, an insulated gate dielectric layer, an organic semiconductor channel layer, a perovskite photosensitive layer, a source electrode and a drain electrode, the flexible substrate, the gate electrode, the insulated gate dielectric layer, the organic semiconductor channel layer and the perovskite photosensitive layer are sequentially arranged from bottom to top, the source electrode and the drain electrode are arranged on the left side and the right side of the upper surface of the organic semiconductor channel layer, and the perovskite photosensitive layer is located between the source electrode and the drain electrode; or the source electrode and the drain electrode are respectively