Preparation and characterization of methanofullerenes for polymer-fullerene bulk heterojunction solar cells

Cheng Hsien Yang; Jia Y. Chang; Pei Hong Yeh; Tzung-Fang Guo

doi:10.1016/j.carbon.2007.09.050

Preparation and characterization of methanofullerenes for polymer-fullerene bulk heterojunction solar cells

Cheng Hsien Yang, Jia Y. Chang, Pei Hong Yeh, Tzung-Fang Guo

Department of Photonics

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

14 Citations (Scopus)

Abstract

A series of alkyl 4-benzoylbutyrate p-tosylhydrazones were synthesized and reacted with C₆₀ in the presence of sodium methoxide. Interestingly, n-butyl 4-benzoylbutyrate p-tosylhydrazone causes a high yield of the undesired compound-[6,6]-phenyl C₆₁-butyric acid methyl ester (PCBM). Photovoltaic cells with these derivatives as electron acceptors were fabricated. The surface morphology of poly(3-hexylthiophene)(P3HT)/C₆₀ derivatives was characterized by atomic force microscopy. The nano-scale phase separation was observed in P3HT/PCBM film through a slow-growth process. This phenomenon is indistinguishable in P3HT/PCBiB ([6,6]-phenyl C₆₁-butyric acid iso-butyl ester) film because of the higher solubility of PCBiB in P3HT. The power conversion efficiency of the device that was made of P3HT/PCBiB blend is 2.8%, which is lower than that of P3HT/PCBM-based device (4.0%).

Original language	English
Pages (from-to)	2951-2956
Number of pages	6
Journal	Carbon
Volume	45
Issue number	15
DOIs	https://doi.org/10.1016/j.carbon.2007.09.050
Publication status	Published - 2007 Dec 1

All Science Journal Classification (ASJC) codes

Materials Chemistry

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@article{cc5ee1b32a984164bd9ff0dbce80e452,

title = "Preparation and characterization of methanofullerenes for polymer-fullerene bulk heterojunction solar cells",

abstract = "A series of alkyl 4-benzoylbutyrate p-tosylhydrazones were synthesized and reacted with C60 in the presence of sodium methoxide. Interestingly, n-butyl 4-benzoylbutyrate p-tosylhydrazone causes a high yield of the undesired compound-[6,6]-phenyl C61-butyric acid methyl ester (PCBM). Photovoltaic cells with these derivatives as electron acceptors were fabricated. The surface morphology of poly(3-hexylthiophene)(P3HT)/C60 derivatives was characterized by atomic force microscopy. The nano-scale phase separation was observed in P3HT/PCBM film through a slow-growth process. This phenomenon is indistinguishable in P3HT/PCBiB ([6,6]-phenyl C61-butyric acid iso-butyl ester) film because of the higher solubility of PCBiB in P3HT. The power conversion efficiency of the device that was made of P3HT/PCBiB blend is 2.8%, which is lower than that of P3HT/PCBM-based device (4.0%).",

author = "Yang, {Cheng Hsien} and Chang, {Jia Y.} and Yeh, {Pei Hong} and Tzung-Fang Guo",

year = "2007",

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doi = "10.1016/j.carbon.2007.09.050",

language = "English",

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T1 - Preparation and characterization of methanofullerenes for polymer-fullerene bulk heterojunction solar cells

AU - Yang, Cheng Hsien

AU - Chang, Jia Y.

AU - Yeh, Pei Hong

AU - Guo, Tzung-Fang

PY - 2007/12/1

Y1 - 2007/12/1

N2 - A series of alkyl 4-benzoylbutyrate p-tosylhydrazones were synthesized and reacted with C60 in the presence of sodium methoxide. Interestingly, n-butyl 4-benzoylbutyrate p-tosylhydrazone causes a high yield of the undesired compound-[6,6]-phenyl C61-butyric acid methyl ester (PCBM). Photovoltaic cells with these derivatives as electron acceptors were fabricated. The surface morphology of poly(3-hexylthiophene)(P3HT)/C60 derivatives was characterized by atomic force microscopy. The nano-scale phase separation was observed in P3HT/PCBM film through a slow-growth process. This phenomenon is indistinguishable in P3HT/PCBiB ([6,6]-phenyl C61-butyric acid iso-butyl ester) film because of the higher solubility of PCBiB in P3HT. The power conversion efficiency of the device that was made of P3HT/PCBiB blend is 2.8%, which is lower than that of P3HT/PCBM-based device (4.0%).

AB - A series of alkyl 4-benzoylbutyrate p-tosylhydrazones were synthesized and reacted with C60 in the presence of sodium methoxide. Interestingly, n-butyl 4-benzoylbutyrate p-tosylhydrazone causes a high yield of the undesired compound-[6,6]-phenyl C61-butyric acid methyl ester (PCBM). Photovoltaic cells with these derivatives as electron acceptors were fabricated. The surface morphology of poly(3-hexylthiophene)(P3HT)/C60 derivatives was characterized by atomic force microscopy. The nano-scale phase separation was observed in P3HT/PCBM film through a slow-growth process. This phenomenon is indistinguishable in P3HT/PCBiB ([6,6]-phenyl C61-butyric acid iso-butyl ester) film because of the higher solubility of PCBiB in P3HT. The power conversion efficiency of the device that was made of P3HT/PCBiB blend is 2.8%, which is lower than that of P3HT/PCBM-based device (4.0%).

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