Opto-Electronic Advances, Volume. 2, Issue 7, 1(2019)
Enhanced organic solar cell performance: Multiple surface plasmon resonance and incorporation of silver nanodisks into a grating‐structure electrode
Figures & Tables(10)
Fig. 2. UV-visible absorption spectra of Ag NSs and AgNDs in solutions.
Fig. 3.
Fig. 4.
Fig. 5. SPR reflectivity curves of the solar cells with p-polarization at various incidence angles from 20° to 70° for a (a) flat Al electrode, (b) grating Al electrode, (c) PEDOT:PSS incorporated with Ag NDs, and (d) PEDOT:PSS incorporated with Ag NDs and the grating Al electrode.
Fig. 6. Nyquist plots of the devices: (a) incorporated with Ag NDs with different LSPR peaks and (b) incorporated with Ag NDs with different LSPR peaks and imprinted Al grating. Bode phase plots: (c) corresponding to (a), and (d) corresponding to (b).
Fig. 7. Schematic of the simulated structures (a) and electric-field intensity maps of OSCs with Ag NSs (diameter of 6 nm) and Ag NDs (diameter of 30, 40, 50, and 70 nm and a thickness of 15 nm) in the PEDOT:PSS layer at illumination wavelengths of (b) 400 nm, (c) 500 nm, (d) 600 nm, and (e) 700 nm.
Table 1. Photovoltaic performances of OSCs devices from
Figure 3 .View tableView in ArticleTable 1. Photovoltaic performances of OSCs devices from
Figure 3 .Devices J sc (mA/cm2)V oc (V)FF PCE (%) Improvement (%) Control 6.42 0.6 0.58 2.98 Grating 6.99 0.61 0.55 3.16 6.04 Au NPs 6.87 0.6 0.57 3.15 5.7 Au NPs + grating 7.44 0.61 0.55 3.36 12.75 Ag NDs-30 7.01 0.63 0.55 3.27 9.73 Ag NDs-30 + grating 7.32 0.63 0.56 3.42 14.76
Table 2. Photovoltaic performances of OSCs devices from
Figure 4 .View tableView in ArticleTable 2. Photovoltaic performances of OSCs devices from
Figure 4 .Devices LSPR peak wavelength (nm) Grating J sc (mA/cm2)V oc (V)FF PCE (%) Improvement (%) Control - - 6.42 0.6 0.58 2.98 - Grating - + 6.99 0.61 0.55 3.16 6.04 Ag NSs 410 - 6.88 0.6 0.58 3.22 8.05 Ag NSs 410 + 7.08 0.62 0.56 3.32 11.41 Ag NDs-30 510 - 7.1 0.63 0.55 3.27 9.73 Ag NDs-30 510 + 7.32 0.63 0.56 3.42 14.76 Ag NDs-40 535 - 7.05 0.64 0.55 3.29 10.4 Ag NDs-40 535 + 7.21 0.64 0.56 3.42 14.76 Ag NDs-50 570 - 7.05 0.64 0.56 3.33 11.74 Ag NDs-50 570 + 7.15 0.64 0.56 3.43 15.1 Ag NDs-70 660 - 6.97 0.62 0.59 3.37 13.09 Ag NDs-70 660 + 7.41 0.63 0.57 3.59 20.47
Table 3. Power conversion efficiency (PCE), short-circuit current density (
J sc), average electron lifetime (τ avg), maximum frequency (f max), contact resistance (R s), and charge-transfer resistance (R ct) of fabricated OSCs.View tableView in ArticleTable 3. Power conversion efficiency (PCE), short-circuit current density (
J sc), average electron lifetime (τ avg), maximum frequency (f max), contact resistance (R s), and charge-transfer resistance (R ct) of fabricated OSCs.Devices PCE (%) J sc (mA/cm2)τ avgf maxR sR ctControl 2.98 6.42 4.8 33.17 10.12 10.13 Grating 3.16 6.99 5 31.85 9.37 8.69 Ag NSs 3.22 6.88 4.6 34.62 8.45 10.77 Ag NSs + grating 3.32 7.08 4.6 34.62 8.45 7.73 Ag NDs-30 3.27 7.1 4.6 34.62 8.34 10.66 Ag NDs-30 + grating 3.42 7.32 4.8 33.17 8.34 7.65 Ag NDs-40 3.29 7.05 4.8 33.17 8.23 10.64 Ag NDs-40 + grating 3.42 7.21 4.6 34.62 8.23 7.63 Ag NDs-50 3.33 7.05 4.8 33.17 8.22 10.35 Ag NDs-50 + grating 3.43 7.15 4.8 33.17 8.22 7.3 Ag NDs-70 3.37 6.97 4.8 33.17 8.13 10.2 Ag NDs-70 + grating 3.59 7.41 5 31.85 8.13 6.8
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Thitirat Putnin, Chutiparn Lertvachirapaiboon, Ryousuke Ishikawa, Kazunari Shinbo, Keizo Kato, Sanong Ekgasit, Kontad Ounnunkad, Akira Baba. Enhanced organic solar cell performance: Multiple surface plasmon resonance and incorporation of silver nanodisks into a grating‐structure electrode[J]. Opto-Electronic Advances, 2019, 2(7): 1
Paper Information
Category: Original Article
Received: Mar. 28, 2019
Accepted: May. 20, 2019
Published Online: Aug. 7, 2019
The Author Email: Kontad Ounnunkad (ababa@eng.niigata-u.ac.jp)
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