High performance perovskite solar cells based on β-NaYF4:Yb3+/Er3+/Sc3+@NaYF4 core-shell upconversion nanoparticles

Guo, Qiyao; Wu, Jihuai; Yang, Yuqian; Liu, Xuping; Jia, Jinbiao; Dong, Jia; Lin, Jianming; Huang, Miaoliang; Wei, Yuelin; Huang, Yunfang

doi:10.1016/j.jpowsour.2019.04.039

Cited by 75 publications

(45 citation statements)

References 53 publications

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“…SnO 2 scaffold layer contained different Ln 3+ /Sn 4+ molar ratios (0~4%) with thickness about 100~200 nm was covered by spin-coating the SnO 2 solution at 2000 rpm for 30 s and then annealed at 300°C for 1 h to remove the organic residue, named, respectively, as m-SNO and x %-SNOLn ( x = 1, 2, 3, 4). The cesium-containing triple cation perovskite was deposited by an antisolvent method according to the literatures [27, 60]. The perovskite precursor solution was spin-coated at 1000 rpm for 10 s and then at 6000 rpm for 20 s on the p-SNO and full SnO 2 as bl/mp layers substrates.…”

Section: Methodsmentioning

confidence: 99%

“…For clarity, PSC devices based on planar structure SnO 2 and mesoporous structure SnO 2 with different Ln 3+ /Sn 4+ molar ratios (0~4%) are denoted as p-SNO device, m-SNO device, and x %-SNOLn devices ( x = 1, 2, 3, 4). The PSCs with full TiO 2 as bl/mp layers named as m-TiO 2 were also fabricated as previously reported for comparative study [27].…”

Section: Methodsmentioning

confidence: 99%

“…However, TiO 2 shows a lower electron mobility of (0.1~1.0 cm 2 V –1 s –1 ), compared with conventional perovskite material (20~30 cm 2 V –1 s –1 ), which causes insufficient charge carrier separation at the TiO 2 /perovskite interface [23–25]. In addition, the UV instability of TiO 2 upon UV exposure triggers a rapid decrease in performance of PSCs via the degradation of the organic components in the PSC (especially for mesoporous TiO 2 -based PSCs) [26, 27]. Furthermore, high temperature processing (HTP) for TiO 2 electron transport layer (ETL) is also unfavorable for the fabrication of low-cost PSCs.…”

Section: Introductionmentioning

confidence: 99%

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High-Performance and Hysteresis-Free Perovskite Solar Cells Based on Rare-Earth-Doped SnO ₂ Mesoporous Scaffold

Guo

Yang

et al. 2019

Research

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Tin oxide (SnO2), as electron transport material to substitute titanium oxide (TiO2) in perovskite solar cells (PSCs), has aroused wide interests. However, the performance of the PSCs based on SnO2 is still hard to compete with the TiO2-based devices. Herein, a novel strategy is designed to enhance the photovoltaic performance and long-term stability of PSCs by integrating rare-earth ions Ln3+ (Sc3+, Y3+, La3+) with SnO2 nanospheres as mesoporous scaffold. The doping of Ln promotes the formation of dense and large-sized perovskite crystals, which facilitate interfacial contact of electron transport layer/perovskite layer and improve charge transport dynamics. Ln dopant optimizes the energy level of perovskite layer, reduces the charge transport resistance, and mitigates the trap state density. As a result, the optimized mesoporous PSC achieves a champion power conversion efficiency (PCE) of 20.63% without hysteresis, while the undoped PSC obtains an efficiency of 19.01%. The investigation demonstrates that the rare-earth doping is low-cost and effective method to improve the photovoltaic performance of SnO2-based PSCs.

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Section: Methodsmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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High-Performance and Hysteresis-Free Perovskite Solar Cells Based on Rare-Earth-Doped SnO ₂ Mesoporous Scaffold

Guo

Yang

et al. 2019

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“…One promising way to solve this problem is to use upconversion materials as spectral converters [3]. Guo and Roh have introduced upconversion materials to the TiO 2 mesoporous layer in a PSC device for NIR sunlight harvesting [9,10].…”

Section: Introductionmentioning

confidence: 99%

Yb3+/Er3+ concentration dependent microstructure evolution and green/red emissions of NaYF4:Yb/Er phosphors

Ding¹,

Yang²,

Yin³

et al. 2020

ScienceAsia

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Photon upconversion is promising for applications such as data storage, drug delivery and solar cells. β-NaYF 4 :Yb/Er samples were synthesized by a facile hydrothermal method. The effects of Yb/Er ratio on the microstructures, morphology evolution and luminescence properties were studied. The SEM results showed that the morphology of the samples evolved gradually from plate to prismatic structure with an increase in Yb 3+ concentration. This indicates that the growth rate along the c-axis crystal planes of NaYbF 4 lattices is more rapid than NaYF 4 lattices. Photoluminescence measurements demonstrate that the bright multicolored upconversion emissions can be fine-tuned from green to red by adjusting the codoped Yb/Er ratio under 980 nm laser excitation. The tunable emission is due to the energy back transfer from Yb 3+ to Er 3+ . Applying this material in perovskite solar cell, a current density of 4 µA cm −2 is obtained under 40 mW and 980 nm laser excitation.

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“…Địa chỉ email: lamnd2005@gmail.com https://doi.org/10.25073/2588-1140/vnunst.4965 electronic states of lanthanides [3]. The lanthanide -doped upconversion nanocrystals have been used in different areas such as solar cells [4], water treatment [4], lasers [5], sensors [6,7], bioimaping [8,9] because of its chemical stability, low toxicity, large anti-stock shift sharp, and emission bandwidths [10].…”

Section: Introductionmentioning

confidence: 99%

Influences of Growth Durations on Characteristics of NaYF4:(Yb,Tm) Upconversion Materials

Dung¹,

Thanh²,

Lâm³

2019

NST

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NaYF4:(Yb,Tm) upconversion materials were synthesized by the simple hydrothermal method. Growth duration was varied from 4h to 12h under a growth temperature of 150oC. The structural, optical and surface morphology characteristics of the NaYF4:(Yb,Tm) UC materials were investigated. The XRD and SEM results illustrated that the NaYF4:(Yb,Tm) materials were transformed from the multiple phases (hexagonal and cubic) to the single-phase (hexagonal prism) as growth duration being longer than 8h with the average diameter and length of these prisms being about 0.5 µm and 2 µm, respectively. Under 980 nm laser excitation, the NaYF4:(Yb,Tm) emits at peaks of 450 nm (1D2→ 3F4), 475 nm (1G4→3H6), 647 nm (1G4→3F4) and 697 nm (3F3→3H6), with the highest emission belonging to NaYF4:(Yb,Tm) grown for 8h. Keywords: NaYF4:(Yb,Tm), upconversion materials, photoluminescence, growth duration, hydrothermal method. References [1] L. Wang, R. Yan, Z. Huo, L. Wang, Fluorescence resonant energy transfer biosensor based on upconversion-luminescent nanoparticles, Angew. Chem. Int. Ed. Engl. 44 (2005) 6054-6057. https://doi.org/10.1002/anie.200501907.[2] S. N. Shan, X. Y. Wang, N.Q. Jia, Synthesis of NaYF4:Yb3+, Er3+ upconversion nanoparticles in normal microemulsions, Nanoscale Res. Lett. 6 (2011) 539-539. https://doi.org/10.1021/nl070235+.[3] T. Hinamoto, H. Takashima, H. Sugimoto, M. Fujii, Controlling Surface Plasmon Resonance of Metal Nanocap for Upconversion Enhancement, J. Phys. Chem. C 121 (2017) 8077-8083. https://doi.org/10.1021/acs.jpcc.7b01010.[4] Q. Guo, J. Wu, Y. Yang, X. Liu, J. Jia, J. Dong, Z. Lan, J. Lin, M. Huang, Y. Wei, Y. Huang, High performance perovskite solar cells based on β-NaYF4:Yb3+/Er3+/Sc3+@NaYF4 core-shell upconversion nanoparticles, J. Power Sources 426 (2019) 178-187. https://doi.org/10.1016/j. jpowsour.2019.04.039.[5] M.H. Huang, S. Mao, H. Feick, H. Yan, Y. Wiu, H. Kind, E. Weber, R. Russo, P. 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Wolfbeis, Upconverting luminescent nanoparticles for use in bioconjugation and bioimaging, Curr. Opin. Chem. Biol. 14 (2010) 582 596. https://doi. org/10.1016/j.cbpa.2010.08.014.[10] G. Yi, H. Lu, S. Zhao, Y. Ge, W. Yang, D. Chen, L. H. Guo, Synthesis Characterization and Biological Application of Size-Controlled Nanocrystalline NaYF4:Yb,Er Infrared-to-Visible Up-Conversion Phosphors, Nano. Letters 4 (2004) 2191-2196. https://doi.org/10.1021/ nl048680h.[11] F. Wang, J. Wang, X. Liu, Direct evidence of a surface quenching effect on size-dependent luminescence of upconversion nanoparticles, Angew. Chem. Int. Ed. Engl. 49 (2010) 7456-7460. https://doi.org/10.1002/anie.201003959.[12] M. Lin, M. Liu, M. Qui, Y. Dong, Z. Duan, Y. H. Li, B. P. Murphy, T. J. Lu, F. Xu, Synthesis of upconversion NaYF4:Yb3+,Er3+ particles with enhanced luminescent intensity through control of morphology and phase, J. Mater. Chem C 2 (2014) 3671-3676. https://doi.org/10.1039/c4tc 00129j.[13] K.W. Krämer, D. Biner, G. Frei, H. u. Gudel, M. P. Hehlen, S. R. Luthi, Hexagonal Sodium Yttrium Fluoride Based Green and Blue Emitting Upconversion Phosphors, Chem. Mater. 16 (2004) 1244-1251. https://doi.org/10.1021/cm 031124o.[14] G. Chen, T. Y. Ohulchanskyy, R. Kumar, H. Agren, P. N. Prasad, Ultrasmall monodisperse NaYF(4):Yb(3+)/Tm(3+) nanocrystals with enhanced near-infrared to near-infrared upconversion photoluminescence, A.C.S. nano 4 (2010) 3163-3168. https://doi.org/10.1021/nn 100457j.[15] S. Dühnen, T. Rinkel, M. Haase, Size, Control of Nearly Monodisperse β-NaGdF4 Particles Prepared from Small α-NaGdF4 Nanocrystals, Chem. Mater. 27 (2015) 4033-4039. https://doi.org/10.1021/acs.chemmater.5b01013.[16] T. Rinkel, J. Nordmann, A. N. Raj, M. Haase, Ostwald-ripening and particle size focussing of sub-10 nm NaYF(4) upconversion nanocrystals, Nanoscale 6 (2014) 14523-14530. https://doi.org/ 10.1039/C4NR03833A.[17] W. Huang, M. Dinh, H. Huang, C. Jiang, Y. Song, Y. Ni, C. Lu, Z. 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High performance perovskite solar cells based on β-NaYF4:Yb3+/Er3+/Sc3+@NaYF4 core-shell upconversion nanoparticles

Cited by 75 publications

References 53 publications

High-Performance and Hysteresis-Free Perovskite Solar Cells Based on Rare-Earth-Doped SnO ₂ Mesoporous Scaffold

High-Performance and Hysteresis-Free Perovskite Solar Cells Based on Rare-Earth-Doped SnO ₂ Mesoporous Scaffold

Yb3+/Er3+ concentration dependent microstructure evolution and green/red emissions of NaYF4:Yb/Er phosphors

Influences of Growth Durations on Characteristics of NaYF4:(Yb,Tm) Upconversion Materials

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High performance perovskite solar cells based on β-NaYF4:Yb3+/Er3+/Sc3+@NaYF4 core-shell upconversion nanoparticles

Cited by 75 publications

References 53 publications

High-Performance and Hysteresis-Free Perovskite Solar Cells Based on Rare-Earth-Doped SnO 2 Mesoporous Scaffold

High-Performance and Hysteresis-Free Perovskite Solar Cells Based on Rare-Earth-Doped SnO 2 Mesoporous Scaffold

Yb3+/Er3+ concentration dependent microstructure evolution and green/red emissions of NaYF4:Yb/Er phosphors

Influences of Growth Durations on Characteristics of NaYF4:(Yb,Tm) Upconversion Materials

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High-Performance and Hysteresis-Free Perovskite Solar Cells Based on Rare-Earth-Doped SnO ₂ Mesoporous Scaffold

High-Performance and Hysteresis-Free Perovskite Solar Cells Based on Rare-Earth-Doped SnO ₂ Mesoporous Scaffold