Laser-doped Silicon Solar Cells by Laser Chemical Processing (LCP) exceeding 20% Efficiency

被引：0

作者：

Kray, D. ^{[1
]}

Aleman, M. ^{[1
]}

Fell, A. ^{[1
]}

Hopman, S. ^{[1
]}

Mayer, K. ^{[1
]}

Mesec, M. ^{[1
]}

Mueller, R. ^{[1
]}

Willeke, G. P. ^{[1
]}

Glunz, S. W. ^{[1
]}

Bitnar, B. ^{[2
]}

Neuhaus, D. -H. ^{[2
]}

Luedemann, R. ^{[2
]}

Schlenker, T. ^{[3
]}

Manz, D. ^{[3
]}

Bentzen, A. ^{[4
]}

Sauar, E. ^{[4
]}

Pauchard, A. ^{[5
]}

Richerzhagen, B. ^{[5
]}

机构：

[1] Fraunhofer Inst Solar Energy Syst, Heidenhofstr 2, D-79110 Freiburg, Germany

[2] Deutsche Cell GmbH,, D-09599 Freiberg, Germany

[3] Manz Automat AG, D-72768 Reutlingen, Germany

[4] REC ASA, Sandvika, Norway

[5] Synova SA, Lausanne, Switzerland

来源：

PVSC: 2008 33RD IEEE PHOTOVOLTAIC SPECIALISTS CONFERENCE, VOLS 1-4 | 2008年

关键词：

D O I：

暂无

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

0807 ; 0820 ;

摘要：

The introduction of selective emitters underneath the front contacts of solar cells can considerably increase the cell efficiency. Thus, cost-effective fabrication methods for this process step would help to reduce the cost per W-p of silicon solar cells. Laser Chemical Processing (LCP) is based on the waterjet-guided laser (LaserMicroJet (R)) developed and commercialized by Synova S.A., but uses a chemical jet. This technology is able to perform local diffusions at high speed and accuracy without the need of masking or any high-temperature step of the entire wafer. We present experimental investigations on simple device structures to choose optimal laser parameters for selective emitter formation. These parameters are used to fabricate high-efficiency oxide-passivated LFC solar cells that exceed 20% efficiency.

引用

页码：2025 / +

页数：2

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