Patent application number | Description | Published |
20120118384 | CIS-BASED THIN FILM SOLAR CELL - In order to provide a CIS-based thin film solar cell having high photoelectric conversion efficiency, this CIS-based thin film solar cell is laminated in order of a high distortion point glass substrate ( | 05-17-2012 |
20130074925 | THIN FILM SOLAR CELL - Disclosed is a thin-film solar cell which has a high photoelectric conversion efficiency and is provided with a substrate ( | 03-28-2013 |
20140109960 | CZTS THIN FILM SOLAR CELL AND MANUFACTURING METHOD THEREOF - A thin film solar cell comprises a metal rear surface electrode layer formed on a substrate, a p-type CZTS light-absorbing layer formed on the electrode layer, an n-type high-resistance buffer layer containing a zinc compound as a material and formed on the p-type CZTS light-absorbing layer, and an n-type transparent electroconductive film formed on the n-type high-resistance buffer layer. When the Cu—Zn—Sn composition ratio (atom ratio) of the p-type CZTS light-absorbing layer is represented by coordinates with the Cu/(Zn+Sn) ratio shown on the horizontal axis and the Zn/Sn ratio shown on the vertical axis, the ratio is within the region formed by connecting point A (0.825, 1.108), point B (1.004, 0.905), point C (1.004, 1.108), point E (0.75, 1.6), and point D (0.65, 1.5), and the Zn/Sn ratio of the p-type CZTS light-absorbing layer surface in the n-type high-resistance buffer layer is 1.11 or less. | 04-24-2014 |
20140216543 | THIN FILM SOLAR CELL AND MANUFACTURING METHOD THEREFOR - In the present invention, in order to achieve a point contact, a thin film solar cell has a thin film light absorbing layer ( | 08-07-2014 |
20140315348 | THIN FILM SOLAR CELL - A thin-film solar cell which uses an InS-based buffer layer is produced by forming a metal back electrode layer on a substrate, forming a p-type light absorption layer on the metal back electrode layer, oxidizing the p-type light absorption layer surface, forming an InS-based buffer layer as an n-type high resistance buffer layer on the oxidized p-type light absorption layer, and forming an n-type transparent conductive film on the InS-based buffer layer. | 10-23-2014 |
20140332070 | THIN-FILM SOLAR CELL MODULE AND METHOD FOR MANUFACTURING THE SAME - A method for manufacturing a thin-film solar cell module includes a rear surface electrode layer deposition step for depositing a rear surface electrode layer on a substrate, an alkali metal adding step for adding an alkali metal to the rear surface electrode layer, a light absorbing layer deposition step for depositing a light absorbing layer on the rear surface electrode layer, a division groove forming step for forming a division groove that divides the light absorbing layer and exposing a front surface of the rear surface electrode layer in the division groove, an alloying step for alloying the rear surface electrode layer and the alkali metal on the front surface of the rear surface electrode layer exposed in the division groove, and a transparent conductive film deposition step for depositing a transparent conductive film on the light absorbing layer and in the division groove. | 11-13-2014 |
20150059845 | CZTS-BASED THIN FILM SOLAR CELL AND METHOD OF PRODUCTION OF SAME - A CZTS-based thin film solar cell which has a high photovoltaic conversion efficiency which is provided with a substrate, a metal back electrode layer which is formed on the substrate, a p-type CZTS-based light absorption layer which is formed on the metal back electrode layer, and an n-type transparent conductive film which is formed on the p-type CZTS-based light absorption layer and which has a dispersed layer of ZnS-based fine particles at the interface between the p-type CZTS-based light absorption layer and the metal back electrode layer. | 03-05-2015 |