Monitoring the 3D nanostructures of bulk heterojunction polymer solar cells using confocal lifetime imaging

Jen Hsien Huang; Fan Ching Chien; Pellin Chen; Kuo Chuan Ho; Chih Wei Chu

doi:10.1021/ac901992c

Monitoring the 3D nanostructures of bulk heterojunction polymer solar cells using confocal lifetime imaging

Jen Hsien Huang, Fan Ching Chien, Pellin Chen, Kuo Chuan Ho, Chih Wei Chu

Department of Optics and Photonics

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

38 Scopus citations

Abstract

In this study, the exciton lifetime images within the photoactive layers of poly(3-hexylthiophene) (P3HT) and [6,6]-phenyl-C61 -butyric acid methyl ester (PCBM) are revealed by confocal optical microscopy combined with the fluorescence module. The images reveal that the active layers during slow solvent evaporation provide 3D pathways for charge transport and the concentration gradient through the film which reflects the better cell performance. This technique offers a great help to investigate the 3D optical-physical property without destroying the blends.

Original language	English
Pages (from-to)	1669-1673
Number of pages	5
Journal	Analytical Chemistry
Volume	82
Issue number	5
DOIs	https://doi.org/10.1021/ac901992c
State	Published - 1 Mar 2010

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10.1021/ac901992c

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abstract = "In this study, the exciton lifetime images within the photoactive layers of poly(3-hexylthiophene) (P3HT) and [6,6]-phenyl-C61 -butyric acid methyl ester (PCBM) are revealed by confocal optical microscopy combined with the fluorescence module. The images reveal that the active layers during slow solvent evaporation provide 3D pathways for charge transport and the concentration gradient through the film which reflects the better cell performance. This technique offers a great help to investigate the 3D optical-physical property without destroying the blends.",

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AU - Chien, Fan Ching

AU - Chen, Pellin

AU - Ho, Kuo Chuan

AU - Chu, Chih Wei

PY - 2010/3/1

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N2 - In this study, the exciton lifetime images within the photoactive layers of poly(3-hexylthiophene) (P3HT) and [6,6]-phenyl-C61 -butyric acid methyl ester (PCBM) are revealed by confocal optical microscopy combined with the fluorescence module. The images reveal that the active layers during slow solvent evaporation provide 3D pathways for charge transport and the concentration gradient through the film which reflects the better cell performance. This technique offers a great help to investigate the 3D optical-physical property without destroying the blends.

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Monitoring the 3D nanostructures of bulk heterojunction polymer solar cells using confocal lifetime imaging

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