WAVELENGTH CONVERSION MATERIAL, BASE MATERIAL WITH WAVELENGTH CONVERSION FUNCTION, SOLAR CELL SEALING MATERIAL AND SOLAR CELL MODULE

• Main Authors: SUZUKI ISSEI, KOMATA TAKAHISA, KAWAI YOHEI, ARIMA YUTA
• Format: Patent
• Language: English; Japanese
• Published: 18.02.2016
• Subjects: ADHESIVES; BASIC ELECTRIC ELEMENTS; CHEMICAL PAINT OR INK REMOVERS; CHEMISTRY; COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS; CORRECTING FLUIDS; DYES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR; ELECTRICITY; FILLING PASTES; INKS; METALLURGY; MISCELLANEOUS APPLICATIONS OF MATERIALS; MISCELLANEOUS COMPOSITIONS; NATURAL RESINS; PAINTS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; POLISHES; PREPARATION OF CARBON BLACK; SEMICONDUCTOR DEVICES; TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS,TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES; USE OF MATERIALS THEREFOR; WOODSTAINS

PROBLEM TO BE SOLVED: To provide a wavelength conversion material that has a wider wavelength area permitting wavelength conversion on the long wavelength side as compared to ZnO:Zn, and also has superior chemical stability as compared to ZnSe, CdS and CdO, and further shows low toxicity; a base material with wavelength conversion function that has a film comprising the wavelength conversion material; a solar cell sealing material comprising the wavelength conversion material; and a solar cell module that has one or both of solar cell cover glass comprising the base material with wavelength conversion function and the solar cell sealing material.SOLUTION: A wavelength conversion material comprises a semiconductor material represented by composition formula (1-x) ZnO/x(ABO)and having a wurtzite structure or a wurtzite superstructure, where A and B are elements which can form ABOcomplex oxides, A is +1 valent element, B is +3 valent element, and x is a numeric value of 0.01-0.99.SELECTED DRAWING: Figure 4 【課題】ＺｎＯ：Ｚｎに比べ波長変換できる波長の領域が長波長側に広く、しかもＺｎＳｅ、ＣｄＳおよびＣｄＯに比べ化学的安定性に優れ、かつ毒性が低い波長変換材料；波長変換材料を含む膜を有する波長変換機能付き基材；波長変換材料を含む太陽電池用封止材；および波長変換機能付き基材からなる太陽電池用カバーガラスおよび太陽電池用封止材のいずれか一方または両方を備えた太陽電池モジュールを提供する。【解決手段】（１−ｘ）ＺｎＯ・ｘ（ＡＢＯ２）１／２の組成式で表され、かつウルツ鉱型構造またはウルツ鉱型超構造を有する半導体材料を含む波長変換材料。ただし、ＡおよびＢは、ＡＢＯ２型複合酸化物を構成し得る元素であり、Ａは、＋１価の元素であり、Ｂは、＋３価の元素であり、ｘは、０．０１〜０．９９の数値である。【選択図】図４