Chem. J. Chinese Universities ›› 2023, Vol. 44 ›› Issue (7): 20230148.doi: 10.7503/cjcu20230148
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ZHANG Zesheng, DENG Yuxin, KONG Lingchen, LUO Mei, WANG Xinkang, ZHANG Lianjie, CHEN Junwu
Received:
2023-03-29
Online:
2023-07-10
Published:
2023-05-23
Contact:
ZHANG Lianjie, CHEN Junwu
Supported by:
CLC Number:
TrendMD:
ZHANG Zesheng, DENG Yuxin, KONG Lingchen, LUO Mei, WANG Xinkang, ZHANG Lianjie, CHEN Junwu. Synthesis of Difluorodithienophenazine Based Conjugated Polymers and Their Organic Photovoltaic Performance[J]. Chem. J. Chinese Universities, 2023, 44(7): 20230148.
Polymer | Mn/(kg·mol-1) | PDI | E | λonset/nm | EHOMO/eV | ELUMO/eV | E |
---|---|---|---|---|---|---|---|
PB⁃DTPZ | 67.8 | 2.56 | 1.70 | 730 | -5.51 | -3.55 | 1.96 |
PFB⁃DTPZ | 58.9 | 2.33 | 1.68 | 738 | -5.68 | -3.55 | 2.13 |
Table 1 Basic properties of PB-DTPZ and PFB-DTPZ
Polymer | Mn/(kg·mol-1) | PDI | E | λonset/nm | EHOMO/eV | ELUMO/eV | E |
---|---|---|---|---|---|---|---|
PB⁃DTPZ | 67.8 | 2.56 | 1.70 | 730 | -5.51 | -3.55 | 1.96 |
PFB⁃DTPZ | 58.9 | 2.33 | 1.68 | 738 | -5.68 | -3.55 | 2.13 |
Active layer | VOC/V | JSC/(mA·cm-2) | J | FF(%) | PCE(%) |
---|---|---|---|---|---|
PB⁃DTPZ∶Y6 a | 0.83 | 23.70 | 22.86 | 60.94 | 12.13 |
PFB⁃DTPZ∶Y6 a | 0.88 | 20.70 | 19.61 | 57.09 | 10.40 |
PM6∶Y6 a | 0.83 | 25.60 | 24.28 | 74.86 | 15.72 |
PM6∶PB⁃DTPZ∶Y6 b | 0.84 | 26.01 | 25.08 | 78.17 | 17.08 |
PM6∶PFB⁃DTPZ∶Y6 b | 0.84 | 26.40 | 25.39 | 76.61 | 16.99 |
Table 2 Photovoltaic parameters of the PSCs
Active layer | VOC/V | JSC/(mA·cm-2) | J | FF(%) | PCE(%) |
---|---|---|---|---|---|
PB⁃DTPZ∶Y6 a | 0.83 | 23.70 | 22.86 | 60.94 | 12.13 |
PFB⁃DTPZ∶Y6 a | 0.88 | 20.70 | 19.61 | 57.09 | 10.40 |
PM6∶Y6 a | 0.83 | 25.60 | 24.28 | 74.86 | 15.72 |
PM6∶PB⁃DTPZ∶Y6 b | 0.84 | 26.01 | 25.08 | 78.17 | 17.08 |
PM6∶PFB⁃DTPZ∶Y6 b | 0.84 | 26.40 | 25.39 | 76.61 | 16.99 |
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