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    • 141. 发明专利
    • Amorphous silicon solar cell
    • 非晶硅太阳能电池
    • JPS59163876A
    • 1984-09-14
    • JP3675283
    • 1983-03-08
    • Agency Of Ind Science & Technol
    • ICHIYANAGI HAJIMEIGARASHI TADASHIISHII MASAYUKIKOBAYASHI CHIYUUICHI
    • H01L31/04H01L31/0376H01L31/075
    • H01L31/075H01L31/03762Y02E10/548
    • PURPOSE:To improve conversion efficiency by making the concentration of boron, Al, etc. constituting a P type layer higher than that of the I type layer side on the electrode side and increasing conductivity in an amorphous silicon solar cell of P-I-N structure. CONSTITUTION:A transparent glass substrate 1, a transparent electrode film 2 and an electrode 9 are formed to an amorphous silicon layer consisting of each layer of P type conduction layer 4, I type one 5 and N type one 6. Carbon or nitrogen is added to the P type layer 4, and a P1 layer 7, to which a large amount of a IIIb group element, such as boron, Al, etc. are added, and a P2 layer 8, to which a small amount of the element is added, are formed to the layer 4. When carbon or nitrogen is added, forbidden band width can be widened, and optical absorption in the P type layer can be reduced. However, boron, Al or the like is added because the series resistance of a solar cell is generated by resistance formed on a junction surface between the P type layer and the electrode. The conductivity of the P1 layer is high and the layer is fitted to a joining with the electrode, and the forbidden band width of the P2 layer is wide and optical absorption to the P2 layer is little.
    • 目的:通过在P-I-N结构的非晶硅太阳能电池中使构成比电极侧的I型层侧的P型层的硼,Al等的浓度提高,导致非晶硅太阳能电池的电导率提高转换效率。 构成:将透明玻璃基板1,透明电极膜2和电极9形成为由各层P型导电层4,I型5和N型6构成的非晶硅层。添加碳或氮 向P型层4和添加了大量的诸如硼,Al等的IIIb族元素的P1层7和少量元素的P2层8 当添加碳或氮时,可以扩大禁带宽度,并且可以减少P型层中的光吸收。 然而,添加硼,铝等,因为太阳能电池的串联电阻是由在P型层和电极之间的接合面上形成的电阻产生的。 P1层的导电性高,层与电极接合,P2层的禁带宽度宽,P2层的光吸收少。
    • 142. 发明专利
    • Amorphous silicon solar cell
    • 非晶硅太阳能电池
    • JPS59163875A
    • 1984-09-14
    • JP3675183
    • 1983-03-08
    • Agency Of Ind Science & Technol
    • ICHIYANAGI HAJIMEIGARASHI TADASHIISHII MASAYUKIKOBAYASHI CHIYUUICHI
    • H01L31/04H01L31/0376H01L31/075
    • H01L31/03762H01L31/075Y02E10/548
    • PURPOSE:To reduce series resistance, and to improve sensitivity and efficiency by making the conductivity of an electrode side region in a P type layer higher than that on the I type layer side in an amorphous silicon solar cell of P-I-N structure in which the P type layer is arranged on the beam incident side. CONSTITUTION:A transparent glass substrate 1, a transparent conductive film 2 and a metallic electrode 9 are formed to an amorphous silicon layer 3 consisting of a P conduction type layer 4, an I conduction type layer 5 and an N conduction type layer 6. The P type layer is composed of a P1 layer 7 and a P2 layer, the quantities of carbon or nitrogen therein differ, and the quantity of carbon or nitrogen added to the P1 layer is made smaller than that to the P2 layer. The conductivity of the P1 layer is higher, and the layer is fitted to a joining with the electrode, and the forbidden band width of the P2 layer is wider, and the optical absorption of the P2 layer is little. Accordingly, the P2 layer increases conversion efficiency by a window effect, and the augmentation of series resistance is prevented by the P1 layer.
    • 目的:为了降低串联电阻,并且通过使PIN型结构的非晶硅太阳能电池中的P型层中的电极侧区域的导电性高于I型层侧的电导率区域,提高灵敏度和效率,其中P型 层布置在梁入射侧。 构成:由P导电型层4,I导电型层5和N导电型层6构成的非晶硅层3形成透明玻璃基板1,透明导电膜2和金属电极9。 P型层由P1层7和P2层构成,碳或氮的量不同,添加到P1层的碳或氮的量比P2层小。 P1层的电导率较高,层与电极接合,P2层的禁带宽度较宽,P2层的光吸收少。 因此,P2层通过窗口效应提高转换效率,并且通过P1层防止串联电阻的增加。
    • 143. 发明专利
    • Semiconductor device
    • 半导体器件
    • JPS5935488A
    • 1984-02-27
    • JP14656182
    • 1982-08-24
    • Semiconductor Energy Lab Co Ltd
    • YAMAZAKI SHIYUNPEI
    • H01L31/04H01L31/0376H01L31/075
    • H01L31/075H01L31/03762Y02E10/548
    • PURPOSE:To contrive to enhance optoelectric conversion efficiency at the semiconductor device constructed of non-single crystal semiconductors having P-I-N junction by a method wherein oxygen and carbon mixed in a cluster type in the I-type layer are made to extremely low concentration. CONSTITUTION:A transparently conductive film 33, and the P type silicon carbide or the P type silicon semiconductor layer 34 are formed on a glass substrate 32. Then the I-type layer 31 is formed thereon according to refined silane, and the N type semiconductor layer 35 is formed thereon. After then, a metal electrode 36 is formed on the layer 35. At this case, oxygen of the I-type layer 31 is made to 5X10 cm or less, and moreover carbon mixed in the cluster type is made to 4X10 cm or less. Accordingly, the more the oxygen and carbon are reduced, the more the conversion efficiency as the optoelectric conversion device is enhanced, and moreover reliability is improved.
    • 目的:为了提高由具有P-I-N结的非单晶半导体构成的半导体器件的光电转换效率,其中以I型层中的簇型掺杂的氧和碳被制成极低的浓度。 构成:在玻璃基板32上形成透明导电膜33,P型碳化硅或P型硅半导体层34.然后,根据精制硅烷在其上形成I型层31,并且N型半导体 在其上形成层35。 之后,在层35上形成金属电极36.在这种情况下,I型层31的氧为5×10 18 cm -3以下,此外,以簇型混合的碳为 制成4×10 18 cm -3以下。 因此,氧和碳的还原越多,光电转换装置的转换效率越高,而且可靠性得到提高。
    • 144. 发明专利
    • Semiconductor device
    • 半导体器件
    • JPS599978A
    • 1984-01-19
    • JP12024382
    • 1982-07-08
    • Mitsubishi Electric Corp
    • SATOU KAZUHIKONAKAMURA GENSHIROUYAKUSHIJI HISAO
    • H01L31/04H01L21/331H01L29/73H01L31/0248H01L31/0312H01L31/0376
    • H01L31/0312H01L31/03765Y02E10/548
    • PURPOSE:To obtain a stable semiconductor device, which is used in behalf of amorphous Si and has excellent characteristics, by using amphous Si1-xGex, whose composition ratio is within a specified range. CONSTITUTION:In amorphous Si1-xGex which is formed by a glow discharge method, yield of distortion and degradation in photoconductivity are largely decreased with the increase in a composition ratio x. This is different from amorphous Si. Addition of a small amount of Ge gives sufficient effect. Thus the yield of the distortion and the degradation in the photoconductivity are improved by the addition of the Ge, and a band gap is also continuously changed between 1.85-1.1eV by the addition of the Ge. With the concentration of the Ge, the conductivity is increased, and the photoconductivity tends to be decreased. In the range of 0
    • 目的:通过使用组成比在规定范围内的两性Si1-xGex,获得用于代表非晶硅的稳定的半导体器件,具有优异的特性。 构成:在通过辉光放电法形成的非晶Si1-xGex中,随着组成比x的增加,光导率的变形和劣化的产率大大降低。 这与非晶硅不同。 添加少量Ge可以产生足够的效果。 因此,通过添加Ge,可以提高变形的产率和光电导性的劣化,并且通过添加Ge,带隙也在1.85-1.1eV之间连续变化。 随着Ge浓度的增加,电导率增加,光电导率下降。 然而,在0