公开(公告)号：US20150207020A1

公开(公告)日：2015-07-23

申请号：US14676572

申请日：2015-04-01

Applicant: Nthdegree Technologies Worldwide Inc.

Inventor： Tricia A. Youngbull ,  Theodore I. Kamins ,  Vera N. Lockett ,  Matthew P. Gess

IPC: H01L31/18 ,  H01L31/0224 ,  H01L31/0352

CPC classification number: H01L31/1804 ,  H01L31/02168 ,  H01L31/035281 ,  H01L31/055 ,  H01L31/068 ,  H01L31/075 ,  Y02E10/52 ,  Y02E10/547 ,  Y02E10/548 ,  Y02P70/521

Abstract: A PV panel is manufactured using a monolayer of small silicon sphere diodes (10-300 microns in diameter) connected in parallel. The spheres are embedded in an uncured aluminum-containing layer on an aluminum foil substrate in a roll-to-roll process, and the aluminum-containing layer is heated to anneal the aluminum-containing layer as well as p-dope the bottom surface of the spheres. The diffusion of the p-type dopants also creates a back surface field in the spheres to improve efficiency. A dielectric layer is formed, and a phosphorus-containing layer is deposited over the spheres to dope the top surface n-type, forming a pn junction. The phosphorus layer is then removed. A conductor is deposited to contact the top surface. Conformal, index-graded lenses are then formed over each of the spheres to form a thin and flexible PV panel.

Abstract translation: 使用并联连接的单层小硅球二极管（直径为10-300微米）制造PV面板。 将球体以卷对卷方式嵌入铝箔基板上的未固化的含铝层中，并且对含铝层进行加热以对含铝层进行退火，并且将 球体。 p型掺杂剂的扩散也在球体中产生后表面场以提高效率。 形成电介质层，并且在球体上沉积含磷层以掺杂顶表面n型，形成pn结。 然后除去磷层。 沉积导体以接触顶表面。 然后在每个球体上形成保形的折射率分级透镜，以形成薄且柔性的PV面板。