Molecular Design of Fully Nonfused Acceptors for Efficient Organic Photovoltaic Cells
The nonfused thiophene-benzene-thiophene (TBT) unit offers advantages in obtaining low-cost organic photovoltaic (OPV) materials due to its simple structure. However, OPV cells, including TBT-based acceptors, exhibit significantly lower energy conversion efficiencies. Here, we introduce a novel approach involving the design and synthesis of three TBT-based acceptors by substituting different position-branched side chains on the TBT unit. In comparison to TBT-10 and TBT-11, TBT-13, which exclusively incorporates α-position branched side chains with a large steric hindrance, demonstrates a more planar and stable conformation. When blended with the donor PBQx-TF, TBT-13-based blend film achieves favorable π-π stacking and aggregation characteristics, resulting in excellent charge transfer performance in the corresponding device. Due to the simultaneous enhancements in short-circuit current density and fill factor, the TBT-13-based OPV cell obtains an outstanding efficiency of 16.1%, marking the highest value for the cells based on fully nonfused acceptors. Our work provides a practical molecular design strategy for high-performance and low-cost OPV materials.
| Medienart: |
E-Artikel |
|---|
| Erscheinungsjahr: |
2024 |
|---|---|
| Erschienen: |
2024 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:146 |
|---|---|
| Enthalten in: |
Journal of the American Chemical Society - 146(2024), 13 vom: 03. Apr., Seite 9205-9215 |
| Sprache: |
Englisch |
|---|
| Beteiligte Personen: |
Yang, Ni [VerfasserIn] |
|---|
| Links: |
|---|
| Themen: |
|---|
| Anmerkungen: |
Date Revised 03.04.2024 published: Print-Electronic Citation Status PubMed-not-MEDLINE |
|---|
| doi: |
10.1021/jacs.4c00090 |
|---|
| funding: |
|
|---|---|
| Förderinstitution / Projekttitel: |
|
| PPN (Katalog-ID): |
NLM370128753 |
|---|
| LEADER | 01000caa a22002652 4500 | ||
|---|---|---|---|
| 001 | NLM370128753 | ||
| 003 | DE-627 | ||
| 005 | 20240403235759.0 | ||
| 007 | cr uuu---uuuuu | ||
| 008 | 240325s2024 xx |||||o 00| ||eng c | ||
| 024 | 7 | |a 10.1021/jacs.4c00090 |2 doi | |
| 028 | 5 | 2 | |a pubmed24n1363.xml |
| 035 | |a (DE-627)NLM370128753 | ||
| 035 | |a (NLM)38523309 | ||
| 040 | |a DE-627 |b ger |c DE-627 |e rakwb | ||
| 041 | |a eng | ||
| 100 | 1 | |a Yang, Ni |e verfasserin |4 aut | |
| 245 | 1 | 0 | |a Molecular Design of Fully Nonfused Acceptors for Efficient Organic Photovoltaic Cells |
| 264 | 1 | |c 2024 | |
| 336 | |a Text |b txt |2 rdacontent | ||
| 337 | |a ƒaComputermedien |b c |2 rdamedia | ||
| 338 | |a ƒa Online-Ressource |b cr |2 rdacarrier | ||
| 500 | |a Date Revised 03.04.2024 | ||
| 500 | |a published: Print-Electronic | ||
| 500 | |a Citation Status PubMed-not-MEDLINE | ||
| 520 | |a The nonfused thiophene-benzene-thiophene (TBT) unit offers advantages in obtaining low-cost organic photovoltaic (OPV) materials due to its simple structure. However, OPV cells, including TBT-based acceptors, exhibit significantly lower energy conversion efficiencies. Here, we introduce a novel approach involving the design and synthesis of three TBT-based acceptors by substituting different position-branched side chains on the TBT unit. In comparison to TBT-10 and TBT-11, TBT-13, which exclusively incorporates α-position branched side chains with a large steric hindrance, demonstrates a more planar and stable conformation. When blended with the donor PBQx-TF, TBT-13-based blend film achieves favorable π-π stacking and aggregation characteristics, resulting in excellent charge transfer performance in the corresponding device. Due to the simultaneous enhancements in short-circuit current density and fill factor, the TBT-13-based OPV cell obtains an outstanding efficiency of 16.1%, marking the highest value for the cells based on fully nonfused acceptors. Our work provides a practical molecular design strategy for high-performance and low-cost OPV materials | ||
| 650 | 4 | |a Journal Article | |
| 700 | 1 | |a Cui, Yong |e verfasserin |4 aut | |
| 700 | 1 | |a Zhang, Tao |e verfasserin |4 aut | |
| 700 | 1 | |a An, Cunbin |e verfasserin |4 aut | |
| 700 | 1 | |a Chen, Zhihao |e verfasserin |4 aut | |
| 700 | 1 | |a Xiao, Yang |e verfasserin |4 aut | |
| 700 | 1 | |a Yu, Yue |e verfasserin |4 aut | |
| 700 | 1 | |a Wang, Yafei |e verfasserin |4 aut | |
| 700 | 1 | |a Hao, Xiao-Tao |e verfasserin |4 aut | |
| 700 | 1 | |a Hou, Jianhui |e verfasserin |4 aut | |
| 773 | 0 | 8 | |i Enthalten in |t Journal of the American Chemical Society |d 1945 |g 146(2024), 13 vom: 03. Apr., Seite 9205-9215 |w (DE-627)NLM00000569X |x 1520-5126 |7 nnns |
| 773 | 1 | 8 | |g volume:146 |g year:2024 |g number:13 |g day:03 |g month:04 |g pages:9205-9215 |
| 856 | 4 | 0 | |u http://dx.doi.org/10.1021/jacs.4c00090 |3 Volltext |
| 912 | |a GBV_USEFLAG_A | ||
| 912 | |a GBV_NLM | ||
| 951 | |a AR | ||
| 952 | |d 146 |j 2024 |e 13 |b 03 |c 04 |h 9205-9215 | ||