公开(公告)号：US10347791B2

公开(公告)日：2019-07-09

申请号：US15744457

申请日：2016-07-13

Applicant: CRAYONANO AS ,  NORWEGIAN UNIVERSITY OF SCIENCE AND TECHNOLOGY (NTNU)

Inventor： Dong Chul Kim ,  Ida Marie E. Høiaas ,  Carl Philip J. Heimdal ,  Bjørn Ove M. Fimland ,  Helge Weman

IPC: H01L31/00 ,  H01L33/00 ,  H01L33/08 ,  H01L31/0352 ,  H01L33/18 ,  H01L33/24 ,  H01L33/44 ,  H01L33/06

Abstract: A composition of matter comprising: a graphitic substrate optionally carried on a support; a seed layer having a thickness of no more than 50 nm deposited directly on top of said substrate, opposite any support; and an oxide or nitride masking layer directly on top of said seed layer; wherein a plurality of holes are present through said seed layer and through said masking layer to said graphitic substrate; and wherein a plurality of nanowires or nanopyramids are grown from said substrate in said holes, said nanowires or nanopyramids comprising at least one semiconducting group III-V compound.

公开(公告)号：US20150194549A1

公开(公告)日：2015-07-09

申请号：US14409837

申请日：2013-06-21

Applicant: NORWEGIAN UNIVERSITY OF SCIENCE AND TECHNOLOGY (NTNU)

Inventor： Helge Weman ,  Bjørn-Ove Fimland ,  Dong Chul Kim

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

CPC classification number: H01L31/035227 ,  H01L31/022466 ,  H01L31/022475 ,  H01L31/022483 ,  H01L31/0304 ,  H01L31/035281 ,  H01L31/1804 ,  H01L31/1828 ,  H01L31/184 ,  H01L31/1852

Abstract: A composition of matter, in particular a photovoltaic cell, comprising: at least one core semiconductor nanowire on a graphitic substrate, said at least one core nanowire having been grown epitaxially on said substrate wherein said nanowire comprises at least one group III-V compound or at least one group II-VI compound or at least one group IV element; a semiconductor shell surrounding said core nanowire, said shell comprising at least one group III-V compound or at least one group II-VI compound or at least one group IV element such that said core nanowire and said shell form a n-type semiconductor and a p-type semiconductor respectively or vice versa; and an outer conducting coating surrounding said shell which forms an electrode contact.

Abstract translation: 物质的组合物，特别是光伏电池，包括：在石墨基底上的至少一个核半导体纳米线，所述至少一个核心纳米线已经在所述基底上外延生长，其中所述纳米线包含至少一种III-V族化合物或 至少一种II-VI族化合物或至少一种IV族元素; 围绕所述芯纳米线的半导体外壳，所述壳包含至少一种III-V族化合物或至少一种II-VI族化合物或至少一种IV族元素，使得所述核心纳米线和所述壳形成n型半导体， 分别为p型半导体，反之亦然; 以及围绕所述外壳的外导电涂层，其形成电极接触。