2021
DOI: 10.1016/j.jechem.2020.12.003
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Novel photoelectric material of perovskite-like (CH3)3SPbI3 nanorod arrays with high stability

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Cited by 26 publications
(24 citation statements)
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“…In order to study the crystal phase of Me 3 SPbI 3 , we prepared a needle‐like 1D perovskite single crystal (SCs) by following the antisolvent method as reported in our previous work. [ 37 ] The well‐defined diffraction peaks (Figure 1f) suggested a good crystallinity of the obtained Me 3 SPbI 3 nanoarrays, which can be indexed as the hexagonal crystal structure with space group of P6 3mc (No.186) and lattice constants a = b = 9.615 Å, c = 7.950 Å, a = b = 90°, c = 120°. As shown in Figure 1g,h, the face‐shared [PbI 6 ] 4− octahedral form 1D chains along the c axis while the Me 3 S + cations occupy the interstitial sites between [PbI 6 ] 4− in the 1D chains, which are similar to the yellow and thermo‐dynamically stable δ‐FAPbI 3 phase.…”
Section: Resultsmentioning
confidence: 98%
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“…In order to study the crystal phase of Me 3 SPbI 3 , we prepared a needle‐like 1D perovskite single crystal (SCs) by following the antisolvent method as reported in our previous work. [ 37 ] The well‐defined diffraction peaks (Figure 1f) suggested a good crystallinity of the obtained Me 3 SPbI 3 nanoarrays, which can be indexed as the hexagonal crystal structure with space group of P6 3mc (No.186) and lattice constants a = b = 9.615 Å, c = 7.950 Å, a = b = 90°, c = 120°. As shown in Figure 1g,h, the face‐shared [PbI 6 ] 4− octahedral form 1D chains along the c axis while the Me 3 S + cations occupy the interstitial sites between [PbI 6 ] 4− in the 1D chains, which are similar to the yellow and thermo‐dynamically stable δ‐FAPbI 3 phase.…”
Section: Resultsmentioning
confidence: 98%
“…[9] However, low efficiency of Me 3 SPbI 3 based solar cell could be attributed to the rough and porous nature of the perovskite film and the relatively narrow absorption range up to around 530 nm compared with other typical 3D perovskite such as MAPbI 3 or FAPbI 3. [32,37] It was a challenge for the preparation of an uniform and homogeneous film due to the large tolerance factor in1D crystal structures [34,37] obtained via two-step solution process. Due to the poor solubility of Me 3 SI in the common solvents, such as DMF, DMSO, or γ-butyrolactone, the surface coverage of perovskite film is poor which results in lower PCE through one-step solution process method.…”
Section: Resultsmentioning
confidence: 99%
“…Crystal growth in precursors can be controlled by methods such as external doping, low-temperature growth, and antisolvent environment. [92][93][94][95][96][97][98][99][100][101] For instance, Zhu et al proved that potassium ions can assist the growth of (C 4 H 9 NH 3 ) 2 PbBr 4 into nanobelts. [98] For 2D perovskites, if anisotropic growth is further suppressed by certain ligands, the crystal will avoid growing into plates, but instead grows into wires (Figure 4c).…”
Section: Slow-crystallization Growthmentioning
confidence: 99%
“…For instance, Hu et al prepared a novel (CH 3 ) 3 SI powder to fabricate a vertical nanorod array for solar cells (Figure 10i). [97] The fabricated film had a bandgap of 2.32 eV. The large bandgap created a low PCE of 2.07%.…”
Section: Solar Cellsmentioning
confidence: 99%
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