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    • 5. 发明申请
    • SACRIFICIAL ETCH PROTECTION LAYERS FOR REUSE OF WAFERS AFTER EPITAXIAL LIFT OFF
    • 外部提升关闭后的重复使用的防腐蚀层
    • US20130043214A1
    • 2013-02-21
    • US13536267
    • 2012-06-28
    • Stephen R. ForrestJeramy ZimmermanKyusang Lee
    • Stephen R. ForrestJeramy ZimmermanKyusang Lee
    • B32B15/04B44C1/22
    • H01L31/1896Y02E10/50Y10T428/31678
    • There is disclosed a growth structure comprising a growth substrate, a sacrificial layer, a buffer layer, at least three substrate protective layers, at least one epilayer, at least one contact, and a metal or alloy-coated host substrate. In one embodiment, the device further comprises at least three device structure protecting layers. The sacrificial layer may be positioned between the growth substrate and the at least one epilayer, wherein the at least three substrate protective layers are positioned between the growth substrate and the sacrificial layer, and the at least three device structure protecting layers are positioned between the sacrificial layer and the epilayer. There is also disclosed a method of preserving the integrity of a growth substrate by releasing the cell structure by etching the sacrificial layer and the protective layers.
    • 公开了一种生长结构,其包括生长衬底,牺牲层,缓冲层,至少三个衬底保护层,至少一个外延层,至少一个接触层,以及涂覆有金属或合金的主体衬底。 在一个实施例中,该装置还包括至少三个装置结构保护层。 牺牲层可以位于生长衬底和至少一个外延层之间,其中至少三个衬底保护层位于生长衬底和牺牲层之间,并且至少三个器件结构保护层位于牺牲层之间 层和外延层。 还公开了通过蚀刻牺牲层和保护层来释放细胞结构来保持生长基质的完整性的方法。
    • 6. 发明申请
    • ENHANCED TUNNEL JUNCTION FOR IMPROVED PERFORMANCE IN CASCADED SOLAR CELLS
    • 增强隧道结,改善了在太阳能电池中的性能
    • US20070227588A1
    • 2007-10-04
    • US11675269
    • 2007-02-15
    • Arthur GossardJoshua ZideJeramy Zimmerman
    • Arthur GossardJoshua ZideJeramy Zimmerman
    • H01L31/00
    • H01L31/0687H01L31/0352H01L31/18Y02E10/544Y02P70/521
    • A method and device that incorporates metallic nanoparticles at the p+-n+ tunnel junction in a cascaded photovoltaic solar cell. The use of the nanoparticles enhances the tunneling current density through the tunnel junction. As such, the efficiency of the solar cell is increased. A method in accordance with the present invention comprises making a first solar cell having a first bandgap, making a tunnel junction coupled to the first solar cell, and making a second solar cell having a second bandgap, coupled to the tunnel junction opposite the first solar cell, wherein the tunnel junction comprises nanoparticles. Such a method further optionally includes the nanoparticles being a metal or a semi metal, specifically a semi-metal of erbium arsenide, the nanoparticles being deposited in an island structure within the tunnel junction, and the first solar cell being deposited on a flexible substrate. A device in accordance with the present invention comprises a tunnel junction, wherein the tunnel junction comprises nanoparticles between the n+ layer and the p+ layer of the tunnel junction. Such a device further optionally includes the device being a cascaded solar cell, the nanoparticles are a metal or semi-metal, specifically a semi-metal of erbium arsenide, and the device is fabricated on a flexible substrate.
    • 在级联的光伏太阳能电池中在p + + + + + + / - 隧道结处掺入金属纳米粒子的方法和装置。 纳米颗粒的使用通过隧道结增强隧穿电流密度。 因此,提高了太阳能电池的效率。 根据本发明的方法包括制造具有第一带隙的第一太阳能电池,使得耦合到第一太阳能电池的隧道结,以及制造具有第二带隙的第二太阳能电池,其耦合到与第一太阳能电池相对的隧道结 电池,其中所述隧道结包括纳米颗粒。 这种方法进一步可选地包括纳米颗粒是金属或半金属,特别是铒砷化物的半金属,纳米颗粒以隧道结内的岛结构沉积,第一太阳能电池沉积在柔性基底上。 根据本发明的装置包括隧道结,其中隧道结包括在隧道结的n +层和p +层之间的纳米颗粒。 这种装置进一步可选地包括该装置是级联的太阳能电池,纳米颗粒是金属或半金属,特别是砷化砷的半金属,并且该装置制造在柔性基板上。