Role of a [6,6]-phenyl C61 butyric acid methyl ester homologue buffer layer for bulk-heterojunction solar cells

Jin Young Oh; Tae Il Lee; Woo Soon Jang; Soo Sang Chae; Jee Ho Park; Hyun Woo Lee; Jae Min Myoung; Kie Moon Song; Hong Koo Baik

doi:10.1016/j.apsusc.2013.05.136

Role of a [6,6]-phenyl C61 butyric acid methyl ester homologue buffer layer for bulk-heterojunction solar cells

Jin Young Oh, Tae Il Lee, Woo Soon Jang, Soo Sang Chae, Jee Ho Park, Hyun Woo Lee, Jae Min Myoung, Kie Moon Song, Hong Koo Baik

Department of Materials Science and Engineering

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

Abstract

The role of [6,6]-phenyl C61 butyric acid methyl ester (PCBM) as an n-type homologue buffer layer (HBL) was investigated in a bulk-heterojunction solar cell. The n-type HBL was inserted between the photoactive layer and the cathode. We found that the n-type HBL formed an ideal contact between the photoactive layer and the cathode, enhancing the rectifying ability of the device. In addition, the enlarged donor/acceptor interface between the bulk-heterojunction layer and the n-type HBL generated an additional photocurrent through an interdiffusion phenomenon. A device with the controlled n-type HBL (30 nm) had an enhanced power conversion efficiency of nearly 40% compared to the reference device.

Original language	English
Pages (from-to)	33-37
Number of pages	5
Journal	Applied Surface Science
Volume	283
DOIs	https://doi.org/10.1016/j.apsusc.2013.05.136
Publication status	Published - 2013 Oct 15

Bibliographical note

Funding Information:
This work is supported by a National Research Foundation of Korea (NRF) grant ( 2012-0008721 and 2011-0022765 ) funded by the government of Korea (MEST). T. I. Lee and J. M. Myoung were supported by the WCU (World Class University) program through the National Research Foundation of Korea funded by the Ministry of Education, Science and Technology ( R32-20031 ).

All Science Journal Classification (ASJC) codes

Chemistry(all)
Condensed Matter Physics
Physics and Astronomy(all)
Surfaces and Interfaces
Surfaces, Coatings and Films

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title = "Role of a [6,6]-phenyl C61 butyric acid methyl ester homologue buffer layer for bulk-heterojunction solar cells",

abstract = "The role of [6,6]-phenyl C61 butyric acid methyl ester (PCBM) as an n-type homologue buffer layer (HBL) was investigated in a bulk-heterojunction solar cell. The n-type HBL was inserted between the photoactive layer and the cathode. We found that the n-type HBL formed an ideal contact between the photoactive layer and the cathode, enhancing the rectifying ability of the device. In addition, the enlarged donor/acceptor interface between the bulk-heterojunction layer and the n-type HBL generated an additional photocurrent through an interdiffusion phenomenon. A device with the controlled n-type HBL (30 nm) had an enhanced power conversion efficiency of nearly 40% compared to the reference device.",

author = "Oh, {Jin Young} and Lee, {Tae Il} and Jang, {Woo Soon} and Chae, {Soo Sang} and Park, {Jee Ho} and Lee, {Hyun Woo} and Myoung, {Jae Min} and Song, {Kie Moon} and Baik, {Hong Koo}",

note = "Funding Information: This work is supported by a National Research Foundation of Korea (NRF) grant ( 2012-0008721 and 2011-0022765 ) funded by the government of Korea (MEST). T. I. Lee and J. M. Myoung were supported by the WCU (World Class University) program through the National Research Foundation of Korea funded by the Ministry of Education, Science and Technology ( R32-20031 ).",

year = "2013",

month = oct,

day = "15",

doi = "10.1016/j.apsusc.2013.05.136",

language = "English",

volume = "283",

pages = "33--37",

journal = "Applied Surface Science",

issn = "0169-4332",

publisher = "Elsevier",

}

Role of a [6,6]-phenyl C61 butyric acid methyl ester homologue buffer layer for bulk-heterojunction solar cells. / Oh, Jin Young; Lee, Tae Il; Jang, Woo Soon; Chae, Soo Sang; Park, Jee Ho; Lee, Hyun Woo; Myoung, Jae Min; Song, Kie Moon; Baik, Hong Koo.

In: Applied Surface Science, Vol. 283, 15.10.2013, p. 33-37.

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

TY - JOUR

T1 - Role of a [6,6]-phenyl C61 butyric acid methyl ester homologue buffer layer for bulk-heterojunction solar cells

AU - Oh, Jin Young

AU - Lee, Tae Il

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AU - Chae, Soo Sang

AU - Park, Jee Ho

AU - Lee, Hyun Woo

AU - Myoung, Jae Min

AU - Song, Kie Moon

AU - Baik, Hong Koo

N1 - Funding Information: This work is supported by a National Research Foundation of Korea (NRF) grant ( 2012-0008721 and 2011-0022765 ) funded by the government of Korea (MEST). T. I. Lee and J. M. Myoung were supported by the WCU (World Class University) program through the National Research Foundation of Korea funded by the Ministry of Education, Science and Technology ( R32-20031 ).

PY - 2013/10/15

Y1 - 2013/10/15

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AB - The role of [6,6]-phenyl C61 butyric acid methyl ester (PCBM) as an n-type homologue buffer layer (HBL) was investigated in a bulk-heterojunction solar cell. The n-type HBL was inserted between the photoactive layer and the cathode. We found that the n-type HBL formed an ideal contact between the photoactive layer and the cathode, enhancing the rectifying ability of the device. In addition, the enlarged donor/acceptor interface between the bulk-heterojunction layer and the n-type HBL generated an additional photocurrent through an interdiffusion phenomenon. A device with the controlled n-type HBL (30 nm) had an enhanced power conversion efficiency of nearly 40% compared to the reference device.

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JO - Applied Surface Science

JF - Applied Surface Science

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Role of a [6,6]-phenyl C61 butyric acid methyl ester homologue buffer layer for bulk-heterojunction solar cells

Abstract

Bibliographical note

All Science Journal Classification (ASJC) codes

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