J. Mater. Sci. Technol. ›› 2020, Vol. 42: 38-45.DOI: 10.1016/j.jmst.2019.11.008
• Orginal Article • Previous Articles Next Articles
Noh Young Wook, Jin In Su, Park Sang Hyun, Jung Jae Woong*()
Received:
2019-10-21
Revised:
2019-11-16
Accepted:
2019-11-20
Published:
2020-04-01
Online:
2020-04-16
Contact:
Woong Jung Jae
Noh Young Wook, Jin In Su, Park Sang Hyun, Jung Jae Woong. Room-temperature synthesis of ZrSnO4 nanoparticles for electron transport layer in efficient planar hetrojunction perovskite solar cells[J]. J. Mater. Sci. Technol., 2020, 42: 38-45.
Fig. 1. Photographs for synthesis procedure of ZrSnO4 nanoparticles (a). HR-TEM images of ZrSnO4 nanoparticles synthesized at RT (b), 55?°C (c), and 75?°C (d). Binding energy spectra of ZrSnO4 nanoparticles for O 1s (e) and Zr 3d (f).
Fig. 2. UV-vis absorption and transmittance spectra (a), topographical (b-d), and conductive AFM images (e-g) for thin films of ZrSnO4 nanoparticles synthsized at RT (b, e), 55?°C (c, f), and 75?°C (d, g). Inset of Fig. 2(a) shows the photographs for thin films of ZrSnO4 nanoparticles synthesized at different temperatures.
Fig. 4. SEM images of perovskite layers on ZrSnO4 nanoparticles synthesized at RT (a), 55?°C (b), and 75?°C (c). Steady state PL spectra (d) and time-resolved PL spectra (e) of the perovskite layer on ZrSnO4.
Fig. 5. (a) Cross-sectional SEM image of device employing ZrSnO4 nanoparticles, (b) J-V curves and (c) EQE spectra of the devices with regard to ZrSnO4 synthesis temperature.
Temperature* [oC] | VOC [V] | JSC [mA cm-2] | JSC** [mA cm-2] | FF | PCE [%] | ηcc*** [%] | Rs [103 Ω] | Rsh [Ω] | R1 [Ω] | R2 [Ω] | R3 [Ω] |
---|---|---|---|---|---|---|---|---|---|---|---|
RT | 1.00 | 24.75 | 23.37 | 0.67 | 16.76 | 93.0 | 8.13 | 429 | 43.2 | 117 | 29.6 |
55 | 0.93 | 25.00 | 23.76 | 0.64 | 14.80 | 87.9 | 11.6 | 321 | 43.9 | 143 | 3.11 |
75 | 0.97 | 24.40 | 22.39 | 0.62 | 14.50 | 87.4 | 7.90 | 128 | 30.9 | 178 | 24.8 |
Table 1 Photovoltaic parameters for the planar heterojunction PSCs based on NiOX with various Zn doping concentrations.
Temperature* [oC] | VOC [V] | JSC [mA cm-2] | JSC** [mA cm-2] | FF | PCE [%] | ηcc*** [%] | Rs [103 Ω] | Rsh [Ω] | R1 [Ω] | R2 [Ω] | R3 [Ω] |
---|---|---|---|---|---|---|---|---|---|---|---|
RT | 1.00 | 24.75 | 23.37 | 0.67 | 16.76 | 93.0 | 8.13 | 429 | 43.2 | 117 | 29.6 |
55 | 0.93 | 25.00 | 23.76 | 0.64 | 14.80 | 87.9 | 11.6 | 321 | 43.9 | 143 | 3.11 |
75 | 0.97 | 24.40 | 22.39 | 0.62 | 14.50 | 87.4 | 7.90 | 128 | 30.9 | 178 | 24.8 |
Fig. 6. (a) Intensity modulated photocurrent spectroscopy, (b) intensity modulated photovoltage spectroscopy, (c) electrochemical impedance spectroscopy, (d) J-V curves under dark,of ZrSnO4-based PSCs.
Fig. 7. Stability results of PSCs with different ZrSnO4-based PSCs under ambient condition (a-d) and under N2 atmosphere with continuous illumination (100?mW/cm2) (e-h).
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