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    • 8. 发明申请
    • Photovoltaic Devices Employing Ternary Compound Nanoparticles
    • 使用三元复合纳米颗粒的光伏器件
    • US20110277838A1
    • 2011-11-17
    • US13046672
    • 2011-03-11
    • Wanli MaA. Paul Alivisatos
    • Wanli MaA. Paul Alivisatos
    • H01L31/0368C01B19/00B82Y40/00B82Y99/00
    • H01L31/035218B82Y30/00H01L31/0322Y02E10/541
    • The present invention provides a photovoltaic device. In an exemplary embodiment, the photovoltaic device includes a substrate having a thin film disposed thereon, where the thin film includes alloyed ternary nanocrystals. The present invention provides also provides a method of making ternary compound nanocrystals. In an exemplary embodiment, the method includes (1) degassing a solution of PbO, oleic acid and 1-octadecene (ODE) in a container, (2) heating the solution in the container, (3) injecting a first mixture of trioctylphosphine (TOP):Se solution, TMS2S, diphenylphosphine (DPP) and ODE into the heated solution, thereby forming a second mixture in the container, (4) adding ODE to the second mixture in the container, (5) growing the nanocrystals in the second mixture in a reaction in the container, and (6)_quenching the reaction, thereby resulting in precipitated nanocrystals in the container. In a further embodiment, the present invention further includes purifying the precipitated nanocrystals.
    • 本发明提供一种光电器件。 在一个示例性实施例中,光伏器件包括其上设置有薄膜的衬底,其中薄膜包括合金化的三元纳米晶体。 本发明还提供了制备三元化合物纳米晶体的方法。 在一个示例性实施方案中,该方法包括(1)将容器中的PbO,油酸和1-十八碳烯(ODE)的溶液脱气,(2)加热容器中的溶液,(3)注入三辛基膦 TOP):将Se溶液,TMS2S,二苯基膦(DPP)和ODE加入到加热的溶液中,从而在容器中形成第二混合物,(4)向容器中的第二混合物中加入ODE,(5)在第二混合物中生长纳米晶体 混合物在容器中反应,和(6)淬灭反应,从而在容器中产生沉淀的纳米晶体。 在另一个实施方案中,本发明还包括纯化沉淀的纳米晶体。