| Application Number: | 200610073777.6 | Application date: | 2006.03.30 |
| name: | Solar cell and color adjustment method thereof | ||
| Public (announcement) number: | CN1841789 | Public (announcement) day: | 2006.10.04 |
| Main classification number: | H01L31/042 (2006.01)I | The original application number of the division: | |
| Classification number: | H01L31/042 (2006.01)I | ||
| Award day: | priority: | 2005.3.30 JP 2005-098071 | |
| Application (patent) person: | TDK Corporation; Semiconductor Energy Research Institute | ||
| address: | Tokyo, Japan | ||
| Invention (design) person: | Shigawa Katsuo; Echizen Takuya; Fujioka Yuichi; Takahashi Shahi; Xi Hefu | International application: | |
| International announcement: | Enter country date: | ||
| Patent agency: | China Patent Agent (Hong Kong) Co., Ltd. | agent: | Yang Kai; Liu Zongjie |
The present invention provides a solar cell capable of suppressing the red color to adjust the appearance color. When the photoelectric conversion layer (4) contains amorphous silicon, a light absorbing layer (3) is provided between the photoelectric conversion layer (4) and the reflective electrode layer (2). The photoelectric conversion layer (4) (amorphous silicon) mainly has selective light absorption characteristics for the short-medium band, and the light-absorbing layer (3) mainly has light absorption characteristics for the long wavelength band. The incident light (sunlight) (L) passing through the photoelectric conversion layer (4) passes through the light absorbing layer (3) and is then reflected on the reflective electrode layer (2), that is, in the incident light (L) in the photoelectric conversion layer (4) The residual light absorbed on the light absorbing layer (3) is reflected by the reflective electrode layer (2), and thus the light absorbing layer (3) is not provided between the photoelectric conversion layer (4) and the reflective electrode layer (2). In contrast, the red color of the reflected light (R) is suppressed.
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