Surface Nanostructure Optimization for GaAs Solar Cell Application

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概要

• 論文の詳細を見る

• Numerical simulation of optical absorption characteristics of gallium arsenide (GaAs) thin-film solar cells by the three-dimensional finite element method is presented, with emphasis on optimizing geometric parameters for nanowire and nanocone structures to maximize the ultimate photocurrent under AM1.5G illumination. The nanostructure-based GaAs thin-film solar cells have demonstrated a much higher photocurrent than the planar thin films owing to their much suppressed reflection and high light trapping capability. The nanowire structure achieves its highest ultimate photocurrent of 29.43 mA/cm2 with a periodicity (P) of 300 nm and a wire diameter of 180 nm. In contrast, the nanocone array structure offers the best performance with an ultimate photocurrent of 32.14 mA/cm2. The results obtained in this work provide useful guidelines for the design of high-efficiency nanostructure-based GaAs solar cells.

• 2012-10-25

著者

• Wang Hao

  School Of Chemical Engineering And Technol. China Univ. Of Mining And Technol.

• WANG Xincai

  Singapore Institute of Manufacturing Technology (SIMTECH)

• Hong Lei

  School of Electrical and Electronic Engineering, Nanyang Technological University, Singapore 639798

• Yu Hongyu

  School of Electrical and Electronic Engineering, Nanyang Technological University, Singapore 639798

• Zheng Hongyu

  Singapore Institute of Manufacturing Technology, ASTAR (Agency for Science, Technology and Research), 71 Nanyang Drive, Singapore 638075

• Wang Hao

  School of Electrical and Electronic Engineering, Nanyang Technological University, Singapore 639798

関連論文

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• Pulsed Laser Irradiation of Silicon-Germanium-on-Insulator (Si_Ge_OI) Substrates for Strain Relaxation and Defect Reduction
• Strain Relaxed High Quality Silicon–Germanium-on-Insulator Substrates Formed by Pulsed Laser Irradiation Technology
• Surface Nanostructure Optimization for GaAs Solar Cell Application
• スマートフォンセンシングにおけるインセンティブ付与による情報収集の効率化(無線分散ネットワーク,M2M(Machine-to-Machine),D2D(Device-to-Device),一般)

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