A 2D diffusion-reaction CdTe solar cell simulator that includes active defects and grain boundaries

R. Akis; D. Brinkman; D. Guo; Dragica Vasileska; Christian Ringhofer

doi:10.1109/PVSC.2017.8366484

A 2D diffusion-reaction CdTe solar cell simulator that includes active defects and grain boundaries

R. Akis, D. Brinkman, D. Guo, Dragica Vasileska, Christian Ringhofer

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

We have developed a 2D diffusion-reaction simulator suitable for modeling CdTe solar cells that contain active defects. It utilizes a self-consistent numerical scheme in which the device is mapped onto a finite element mesh. To demonstrate its versatility, we apply the simulator to the problems of defect migration during the annealing process and the extraction of current-voltage characteristics and quantum efficiencies. Our simulator also includes grain boundaries which are known to play an important role in CdTe devices as they strongly affect the migration of defects such as chlorine (Cl).

Original language	English (US)
Title of host publication	2017 IEEE 44th Photovoltaic Specialist Conference, PVSC 2017
Publisher	Institute of Electrical and Electronics Engineers Inc.
Pages	1-5
Number of pages	5
ISBN (Electronic)	9781509056057
DOIs	https://doi.org/10.1109/PVSC.2017.8366484
State	Published - May 25 2018
Event	44th IEEE Photovoltaic Specialist Conference, PVSC 2017 - Washington, United States Duration: Jun 25 2017 → Jun 30 2017

Other

Other	44th IEEE Photovoltaic Specialist Conference, PVSC 2017
Country	United States
City	Washington
Period	6/25/17 → 6/30/17

Keywords

CdTe
Chlorine
Grain boundaries
Impurity diffusion
Numerical simulation
Photovoltaic cells

ASJC Scopus subject areas

Renewable Energy, Sustainability and the Environment
Electrical and Electronic Engineering
Electronic, Optical and Magnetic Materials

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A 2D diffusion-reaction CdTe solar cell simulator that includes active defects and grain boundaries. / Akis, R.; Brinkman, D.; Guo, D.; Vasileska, Dragica ; Ringhofer, Christian.

2017 IEEE 44th Photovoltaic Specialist Conference, PVSC 2017. Institute of Electrical and Electronics Engineers Inc., 2018. p. 1-5.

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Akis, R, Brinkman, D, Guo, D, Vasileska, D & Ringhofer, C 2018, A 2D diffusion-reaction CdTe solar cell simulator that includes active defects and grain boundaries. in 2017 IEEE 44th Photovoltaic Specialist Conference, PVSC 2017. Institute of Electrical and Electronics Engineers Inc., pp. 1-5, 44th IEEE Photovoltaic Specialist Conference, PVSC 2017, Washington, United States, 6/25/17. https://doi.org/10.1109/PVSC.2017.8366484

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