Applications of machine learning in perovskite materials

Wang, Ziman; Yang, Ming; Xie, Xiao‐Bi; Yu, Chenyang; Jiang, Qinglong; Huang, Mina; Algadi, Hassan; Guo, Zhanhu; Zhang, Hang

doi:10.1007/s42114-022-00560-w

Cited by 64 publications

(22 citation statements)

References 64 publications

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“…The wide range of bandgap from 1.4 to 2.1 eV of Cs a FA b MA (1−a−b) Pb(Br y I (1− y ) ) 3 with composition variation. [ 30–39 ] …”

Section: Methodsmentioning

confidence: 99%

“…To show the continuous bandgap of the perovskite system, we took Pb-based Cs a FA b MA (1ÀaÀb) Pb(Br y I (1Ày) ) 3 composition and collected the experimental bandgap for its various compositions, as reported in the literature. [30][31][32][33][34][35][36][37][38][39] The plot in Figure 2 shows a continuum of bandgap values from 1.4 to 2.1 eV corresponding to Cs a FA b MA (1ÀaÀb) Pb(Br y I (1Ày) ) 3 . It could go even higher if we take chloride compositions.…”

Section: Bandgap Assessmentmentioning

confidence: 99%

“…The wide range of bandgap from 1.4 to 2.1 eV of Cs a FA b MA (1ÀaÀb) Pb(Br y I (1Ày) ) 3 with composition variation. [30][31][32][33][34][35][36][37][38][39] Figure 3. The energy levels (CB level and VB level with respect to vacuum level) of ABX 3 with A = MA, FA, Cs, Rb; B = Pb, Sn, Ge; X = I, Br, Cl.…”

Section: Bandgap Assessmentmentioning

confidence: 99%

See 2 more Smart Citations

Bandgap Assessment of Compositional Variation for Uncovering High‐Efficiency Improved Stable All‐Inorganic Lead‐Free Perovskite Solar Cells

Prabu

Malathi

Kumar

et al. 2023

Physica Status Solidi (a)

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The quest for suitable material technology becomes an imperative aspect of PV energy conversion applications. Pursuing ideal materials or designing efficient PV devices requires a keen understanding of underlying PV action and material properties. These include defect-free, chemically and mechanically stable, semiconductive, and absorption properties, which could be easily tuned, manipulated, and readily fabricated. The candidate for such a futuristic material could be a perovskite solar cell (PSC), which has a dramatically improved performance over the last decade. [4] Recent reports observed a steep rise in efficiency from %3% to %25.5% for Pb-based hybrid perovskites (a combination of MAPbI 3 and FAPbI 3 ). [5][6][7][8] These hybrid compositions of PSC are susceptible to long-term stability issues due to temperature, moisture exposure cycle, lead (Pb)based toxicity, and I-V hysteresis characteristics, which limit or question their practical use. [9][10][11] Therefore, the significant research gap is to find practical solutions to the Pb-toxicity and stability issue while preserving or improving the inherent performance and remarkable photophysical properties. Stability issues in hybrid organic-inorganic perovskite are severe limiting issues, mainly due to hygroscopicity, volatility, and thermal and chemical instability of organic cations. It is likely resolved by replacing the organic part with inorganic-based perovskite. [12] For addressing stability issue, organic cations such as CH 3 NH 3 þ (methylammonium, MA) and (HC(NH 2 ) 2 þ (formamidium, FA) are substituted with inorganic cations such as Cs and Rb. For addressing Pb toxicity issues, Pb is substituted with same group elements Sn and Ge. [13][14][15][16][17][18] The fully inorganic perovskite are continually explored to identify suitable replacements for Pb toxicity and MA stability issues while maintaining perovskite's superior optical properties. The inorganic absorberbased devices of CsPbI 3 have shown efficiency of 20%. [19] These inorganic absorbers perform comparatively with original hybrid organic-inorganic (MAPbI 3 , FAPbI 3 ) perovskites; however, it does not answer the lead presence issue. Sn-replaced Pb perovskites have shown high absorption and optical properties, optimal bandgap, and efficiency around 10% in FASnI 3 devices. This Sn substitution solves the Pb toxicity issues; however, Sn readily goes under oxidation from Sn þ2 to Sn þ4 , which rapidly degrades device performances and further aggravates the stability issues. Literature reports have shown that partial substitution

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“…The wide range of bandgap from 1.4 to 2.1 eV of Cs a FA b MA (1−a−b) Pb(Br y I (1− y ) ) 3 with composition variation. [ 30–39 ] …”

Section: Methodsmentioning

confidence: 99%

Section: Bandgap Assessmentmentioning

confidence: 99%

See 1 more Smart Citation

Bandgap Assessment of Compositional Variation for Uncovering High‐Efficiency Improved Stable All‐Inorganic Lead‐Free Perovskite Solar Cells

Prabu

Malathi

Kumar

et al. 2023

Physica Status Solidi (a)

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“…1 The development of new energy can effectively solve this problem. 2 Therefore, scientists have devoted themselves to the field of new energy, which is also a research hotspot today.…”

Section: Introductionmentioning

confidence: 99%

Progress of layered double hydroxide-based materials for supercapacitors

Ren

Sridhar³

et al. 2023

Mater. Chem. Front.

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“…Artificial photosynthesis harnessing Earth-abundant resources as reaction media to produce carbon-free and high-energy chemical products provides an attractive pathway to tackle the rising concern of energy issue and carbon emission. [1][2][3][4][5][6] Among various artificial photosynthesis processes, solar-driven water splitting for H 2 production has attracted most attention. 7,8 Yet, the practical application of H 2 is challenged by its storability and transportability.…”

Section: Introductionmentioning

confidence: 99%