Innovative Dual Function nc-SiOx:H Layer Leading to a > 16% Efficient Multi-Junction Thin-Film Silicon Solar Cell

Baojie Yan; Guozhen Yue; Laura Sivec; Jeffrey Yang; Subhendu Guha; Chun Sheng Jiang

doi:10.1063/1.3638068

Innovative Dual Function nc-SiOx:H Layer Leading to a > 16% Efficient Multi-Junction Thin-Film Silicon Solar Cell

Baojie Yan, Guozhen Yue, Laura Sivec, Jeffrey Yang, Subhendu Guha, Chun Sheng Jiang

Materials Science

United Solar Ovonic, LLC

Research output: Contribution to journal › Article › peer-review

257 Scopus Citations

Abstract

We present our development of n-type nano-structured hydrogenated silicon oxide (nc-SiO_x:H) as a dual-function layer in multi-junction solar cells. We optimized nc-SiO_x:H and attained a conductivity suitable for a doped layer and optical property suitable for an inter-reflection layer. We tested the effectiveness of the dual-function nc-SiO_x:H layer by replacing the normal n layer between the middle and the bottom cells in an a-Si:H/a-SiGe:H/nc-Si:H triple-junction structure. A significant gain in the middle cell current density of ∼1.0 mA/cm² is achieved. We further optimized the component cells and the triple-junction structures and attained an initial active-area cell efficiency of 16.3.

Original language	American English
Article number	113512
Number of pages	3
Journal	Applied Physics Letters
Volume	99
Issue number	11
DOIs	https://doi.org/10.1063/1.3638068 https://doi.org/10.1063/1.3638068
State	Published - 12 Sep 2011

NREL Publication Number

NREL/JA-5200-53265

Keywords

multi-junction
nanostructure
silicon solar cell
thin-film

Access to Document

Cite this

@article{c9740096a29947c1a337e211fdb0142e,

title = "Innovative Dual Function nc-SiOx:H Layer Leading to a > 16% Efficient Multi-Junction Thin-Film Silicon Solar Cell",

abstract = "We present our development of n-type nano-structured hydrogenated silicon oxide (nc-SiOx:H) as a dual-function layer in multi-junction solar cells. We optimized nc-SiOx:H and attained a conductivity suitable for a doped layer and optical property suitable for an inter-reflection layer. We tested the effectiveness of the dual-function nc-SiOx:H layer by replacing the normal n layer between the middle and the bottom cells in an a-Si:H/a-SiGe:H/nc-Si:H triple-junction structure. A significant gain in the middle cell current density of ∼1.0 mA/cm2 is achieved. We further optimized the component cells and the triple-junction structures and attained an initial active-area cell efficiency of 16.3.",

keywords = "multi-junction, nanostructure, silicon solar cell, thin-film",

author = "Baojie Yan and Guozhen Yue and Laura Sivec and Jeffrey Yang and Subhendu Guha and Jiang, {Chun Sheng}",

year = "2011",

month = sep,

day = "12",

doi = "10.1063/1.3638068",

language = "American English",

volume = "99",

journal = "Applied Physics Letters",

issn = "0003-6951",

publisher = "American Institute of Physics",

number = "11",

}

TY - JOUR

T1 - Innovative Dual Function nc-SiOx:H Layer Leading to a > 16% Efficient Multi-Junction Thin-Film Silicon Solar Cell

AU - Yan, Baojie

AU - Yue, Guozhen

AU - Sivec, Laura

AU - Yang, Jeffrey

AU - Guha, Subhendu

AU - Jiang, Chun Sheng

PY - 2011/9/12

Y1 - 2011/9/12

N2 - We present our development of n-type nano-structured hydrogenated silicon oxide (nc-SiOx:H) as a dual-function layer in multi-junction solar cells. We optimized nc-SiOx:H and attained a conductivity suitable for a doped layer and optical property suitable for an inter-reflection layer. We tested the effectiveness of the dual-function nc-SiOx:H layer by replacing the normal n layer between the middle and the bottom cells in an a-Si:H/a-SiGe:H/nc-Si:H triple-junction structure. A significant gain in the middle cell current density of ∼1.0 mA/cm2 is achieved. We further optimized the component cells and the triple-junction structures and attained an initial active-area cell efficiency of 16.3.

AB - We present our development of n-type nano-structured hydrogenated silicon oxide (nc-SiOx:H) as a dual-function layer in multi-junction solar cells. We optimized nc-SiOx:H and attained a conductivity suitable for a doped layer and optical property suitable for an inter-reflection layer. We tested the effectiveness of the dual-function nc-SiOx:H layer by replacing the normal n layer between the middle and the bottom cells in an a-Si:H/a-SiGe:H/nc-Si:H triple-junction structure. A significant gain in the middle cell current density of ∼1.0 mA/cm2 is achieved. We further optimized the component cells and the triple-junction structures and attained an initial active-area cell efficiency of 16.3.

KW - multi-junction

KW - nanostructure

KW - silicon solar cell

KW - thin-film

UR - http://www.scopus.com/inward/record.url?scp=80053179201&partnerID=8YFLogxK

U2 - 10.1063/1.3638068

DO - 10.1063/1.3638068

M3 - Article

AN - SCOPUS:80053179201

SN - 0003-6951

VL - 99

JO - Applied Physics Letters

JF - Applied Physics Letters

IS - 11

M1 - 113512

ER -

Innovative Dual Function nc-SiOx:H Layer Leading to a > 16% Efficient Multi-Junction Thin-Film Silicon Solar Cell

Abstract

NREL Publication Number

Keywords

Access to Document

Other files and links

Fingerprint

Cite this