New C-84 derivative and its application in a bulk heterojunction solar cell

FB Kooistra; VD Mihailetchi; LM Popescu; D Kronholm; PWM Blom; JC Hummelen; Valentin D. Mihailetchi

doi:10.1021/cm052783z

New C-84 derivative and its application in a bulk heterojunction solar cell

FB Kooistra, VD Mihailetchi, LM Popescu, D Kronholm, PWM Blom, JC Hummelen^*, Valentin D. Mihailetchi

^*Corresponding author for this work

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

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Abstract

We report here the synthesis and characteristics of a new C-84 adduct ([84]PCBM), realized via a diazoalkane addition reaction. [84] PCBM was obtained as a mixture containing three major isomers. [84]PCBM was tested in a fullerene/poly(2-methoxy-5-(3',7'-dimethyloctyloxy)-p-phenylene vinylene) (MDMO-PPV) bulk heterojunction solar cell as the first C84 derivative to be applied in device fabrication. Spin coating the active layer blend from 1-chloronaphthalene ( the very best fullerene solvent) instead of ortho-dichlorobenzene was necessary to obtain the more efficient photovoltaic device. The PV results indicate that the hole mobility of MDMO-PPV may not be increased upon blending with [84] PCBM. This explains the relatively low I-SC of the device as due to the buildup of space charge. The V-OC of the device is similar to 500 mV lower than that of the one with [60] PCBM, while [ 84] PCBM has a 350 mV higher electron affinity than [60] PCBM. This loss surpasses the linear relation between the donor(HOMO)-acceptor(LUMO) energy gap and the VOC in this type of device. A maximum power conversion efficiency of 0.25% was reached for the MDMO-PPV:[84] PCBM cells.

Original language	English
Pages (from-to)	3068-3073
Number of pages	6
Journal	Chemistry of Materials
Volume	18
Issue number	13
DOIs	https://doi.org/10.1021/cm052783z
Publication status	Published - 27-Jun-2006

Keywords

OPEN-CIRCUIT VOLTAGE
NONLINEAR-OPTICAL RESPONSE
HIGHER FULLERENES
GROUND-STATE
STRUCTURAL-CHARACTERIZATION
CHIRAL FULLERENES
MINOR ISOMERS
C-76
C-60
C84

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@article{c276b68bfe1444ce952cb432428d02ee,

title = "New C-84 derivative and its application in a bulk heterojunction solar cell",

abstract = "We report here the synthesis and characteristics of a new C-84 adduct ([84]PCBM), realized via a diazoalkane addition reaction. [84] PCBM was obtained as a mixture containing three major isomers. [84]PCBM was tested in a fullerene/poly(2-methoxy-5-(3',7'-dimethyloctyloxy)-p-phenylene vinylene) (MDMO-PPV) bulk heterojunction solar cell as the first C84 derivative to be applied in device fabrication. Spin coating the active layer blend from 1-chloronaphthalene ( the very best fullerene solvent) instead of ortho-dichlorobenzene was necessary to obtain the more efficient photovoltaic device. The PV results indicate that the hole mobility of MDMO-PPV may not be increased upon blending with [84] PCBM. This explains the relatively low I-SC of the device as due to the buildup of space charge. The V-OC of the device is similar to 500 mV lower than that of the one with [60] PCBM, while [ 84] PCBM has a 350 mV higher electron affinity than [60] PCBM. This loss surpasses the linear relation between the donor(HOMO)-acceptor(LUMO) energy gap and the VOC in this type of device. A maximum power conversion efficiency of 0.25% was reached for the MDMO-PPV:[84] PCBM cells.",

keywords = "OPEN-CIRCUIT VOLTAGE, NONLINEAR-OPTICAL RESPONSE, HIGHER FULLERENES, GROUND-STATE, STRUCTURAL-CHARACTERIZATION, CHIRAL FULLERENES, MINOR ISOMERS, C-76, C-60, C84",

author = "FB Kooistra and VD Mihailetchi and LM Popescu and D Kronholm and PWM Blom and JC Hummelen and Mihailetchi, {Valentin D.}",

note = "Relation: http://www.rug.nl/scheikunde/ date_submitted:2006 Rights: University of Groningen. Stratingh Institute",

year = "2006",

month = jun,

day = "27",

doi = "10.1021/cm052783z",

language = "English",

volume = "18",

pages = "3068--3073",

journal = "Chemistry of Materials",

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T1 - New C-84 derivative and its application in a bulk heterojunction solar cell

AU - Kooistra, FB

AU - Mihailetchi, VD

AU - Popescu, LM

AU - Kronholm, D

AU - Blom, PWM

AU - Hummelen, JC

AU - Mihailetchi, Valentin D.

N1 - Relation: http://www.rug.nl/scheikunde/ date_submitted:2006 Rights: University of Groningen. Stratingh Institute

PY - 2006/6/27

Y1 - 2006/6/27

N2 - We report here the synthesis and characteristics of a new C-84 adduct ([84]PCBM), realized via a diazoalkane addition reaction. [84] PCBM was obtained as a mixture containing three major isomers. [84]PCBM was tested in a fullerene/poly(2-methoxy-5-(3',7'-dimethyloctyloxy)-p-phenylene vinylene) (MDMO-PPV) bulk heterojunction solar cell as the first C84 derivative to be applied in device fabrication. Spin coating the active layer blend from 1-chloronaphthalene ( the very best fullerene solvent) instead of ortho-dichlorobenzene was necessary to obtain the more efficient photovoltaic device. The PV results indicate that the hole mobility of MDMO-PPV may not be increased upon blending with [84] PCBM. This explains the relatively low I-SC of the device as due to the buildup of space charge. The V-OC of the device is similar to 500 mV lower than that of the one with [60] PCBM, while [ 84] PCBM has a 350 mV higher electron affinity than [60] PCBM. This loss surpasses the linear relation between the donor(HOMO)-acceptor(LUMO) energy gap and the VOC in this type of device. A maximum power conversion efficiency of 0.25% was reached for the MDMO-PPV:[84] PCBM cells.

AB - We report here the synthesis and characteristics of a new C-84 adduct ([84]PCBM), realized via a diazoalkane addition reaction. [84] PCBM was obtained as a mixture containing three major isomers. [84]PCBM was tested in a fullerene/poly(2-methoxy-5-(3',7'-dimethyloctyloxy)-p-phenylene vinylene) (MDMO-PPV) bulk heterojunction solar cell as the first C84 derivative to be applied in device fabrication. Spin coating the active layer blend from 1-chloronaphthalene ( the very best fullerene solvent) instead of ortho-dichlorobenzene was necessary to obtain the more efficient photovoltaic device. The PV results indicate that the hole mobility of MDMO-PPV may not be increased upon blending with [84] PCBM. This explains the relatively low I-SC of the device as due to the buildup of space charge. The V-OC of the device is similar to 500 mV lower than that of the one with [60] PCBM, while [ 84] PCBM has a 350 mV higher electron affinity than [60] PCBM. This loss surpasses the linear relation between the donor(HOMO)-acceptor(LUMO) energy gap and the VOC in this type of device. A maximum power conversion efficiency of 0.25% was reached for the MDMO-PPV:[84] PCBM cells.

KW - OPEN-CIRCUIT VOLTAGE

KW - NONLINEAR-OPTICAL RESPONSE

KW - HIGHER FULLERENES

KW - GROUND-STATE

KW - STRUCTURAL-CHARACTERIZATION

KW - CHIRAL FULLERENES

KW - MINOR ISOMERS

KW - C-76

KW - C-60

KW - C84

U2 - 10.1021/cm052783z

DO - 10.1021/cm052783z

M3 - Article

SN - 0897-4756

VL - 18

SP - 3068

EP - 3073

JO - Chemistry of Materials

JF - Chemistry of Materials

IS - 13

ER -

New C-84 derivative and its application in a bulk heterojunction solar cell

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Keywords

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