Enhancement of short-circuit current density in Cu2O/ZnO heterojunction solar cells

Dung Ching Perng, Min Hao Hong, Kuan Hung Chen, Kuan Hua Chen

研究成果: Article

22 引文 (Scopus)

摘要

This study reports the achievement of a high short-circuit current density (Jsc) of 9.53 mA/cm2for low-cost electrodeposited (ED) semi-transparent Cu2O/ZnO nanorod (NR) solar cells. High-quality chemical-bath-deposited ZnO NRs that align with the carrier collection path were used to replace the traditional sputtered ZnO film. An almost four-fold increase (from 1.63 to 6.41 mA/cm2) in Jscwas obtained with the NRs compared to the level obtained with a sputtered ZnO thin film cell. Decreased the ED Cu2O absorber film thickness is able to compensate for the recombination loss that results from Cu2O's short minority carrier drift and diffusion length (both on the order of 100 nm), further boosting Jscto 7.77 mA/cm2. Additional photo-generated carriers were created for the semi-transparent solar cells when a silver mirror was deposited on the backside of the glass; this further enhanced absorption and improved Jscto 9.53 mA/cm2. This is the highest Jscvalue reported to date for a low-cost ED Cu2O/ZnO solar cell.

原文English
頁(從 - 到)549-554
頁數6
期刊Journal of Alloys and Compounds
695
DOIs
出版狀態Published - 2017 一月 1

指紋

Short circuit currents
Heterojunctions
Solar cells
Current density
Nanorods
Silver
Film thickness
Costs
Mirrors
Glass
Thin films

All Science Journal Classification (ASJC) codes

  • Mechanics of Materials
  • Mechanical Engineering
  • Metals and Alloys
  • Materials Chemistry

引用此文

Perng, Dung Ching ; Hong, Min Hao ; Chen, Kuan Hung ; Chen, Kuan Hua. / Enhancement of short-circuit current density in Cu2O/ZnO heterojunction solar cells. 於: Journal of Alloys and Compounds. 2017 ; 卷 695. 頁 549-554.
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Enhancement of short-circuit current density in Cu2O/ZnO heterojunction solar cells. / Perng, Dung Ching; Hong, Min Hao; Chen, Kuan Hung; Chen, Kuan Hua.

於: Journal of Alloys and Compounds, 卷 695, 01.01.2017, p. 549-554.

研究成果: Article

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