Perovskite solar cells with local semi-opening passivation contact structure and preparation method thereof

A preparation method of a perovskite solar cell with the local semi-opening passivation contact structure, wherein the perovskite solar cell with a local semi-opening passivation contact structure at least comprising a charge transport layer and a perovskite layer, wherein an insulating or low-conductivity material layer is provided between the charge transport layer and the perovskite layer, and the insulating or low-conductivity material layer is of a continuous or discontinuous island structure, wherein the preparation method comprises following steps:

• Step 1, preparing a hole transport layer or an electron transport layer on a clean transparent conductive oxide substrate;
• Step 2, preparing an insulating or low-conductivity material layer on the layer obtained in step 1);
• Step 3, depositing a perovskite layer on the layer obtained in step 2);
• Step 4, preparing an electron transport layer or a hole transport layer on the perovskite layer;
• Step 5, preparing a hole or electron blocking layer on the layer obtained in step 4);
• and
• Step 6 preparing a back electrode on the hole or electron blocking layer obtained in step 5).

A preparation method of a perovskite solar cell with the local semi-opening passivation contact structure, wherein the perovskite solar cell with a local semi-opening passivation contact structure at least comprising a charge transport layer and a perovskite layer, wherein an insulating or low-conductivity material layer is provided between the charge transport layer and the perovskite layer, and the insulating or low-conductivity material layer is of a continuous or discontinuous island structure, wherein the preparation method comprises following steps:

• Step 1, preparing a hole transport layer or an electron transport layer on a clean transparent conductive oxide substrate;
• Step 2, preparing an insulating or low-conductivity material layer on the layer obtained in step 1);
• Step 3, depositing a perovskite layer on the layer obtained in step 2);
• Step 4, preparing an electron transport layer or a hole transport layer on the perovskite layer;
• Step 5, preparing a dense layer on the layer obtained in step 4);
• Step 6, preparing a tunneling recombination layer on the dense layer obtained in step 5);
• Step 7, preparing a hole transport layer or an electron transport layer on the tunneling recombination layer obtained in step 6);
• Step 8, preparing an insulating or low-conductivity material layer on the layer obtained in step 7);
• Step 9, depositing a perovskite layer on the layer obtained in step 8);
• Step 10, preparing an electron transport layer or a hole transport layer on the layer obtained in step 9);
• and
• Step 11, preparing a back electrode on the layer obtained in step 10).