Facile all-dip-coating deposition of highly efficient (CH3)3NPbI3−xClx perovskite materials from aqueous non-halide lead precursor

Adnan, Muhammad; Irshad, Zobia; Lee, Jae Kwan

doi:10.1039/d0ra06074g

Cited by 70 publications

(31 citation statements)

References 26 publications

(22 reference statements)

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“…The XRD patterns (Figure 3(c)) indicated typical MAPbI 3 crystalline structures with an intense peak of (100) at 2 θ = 14.2° 14 . Moreover, on the basis of these XRD patterns, the conversion ratio of MAPbI 3 ( C MAPbI3 ), which are qualitatively explained by using peak intensities of PbI 2 and MAPbI 3 at 2 θ = 12.7° and 14.2°, respectively, 20,21 are shown in Supporting Information Figure S2.

C_{MAPbI3} = I_{12.7 °} / ((), I_{12.7 °} + I_{14.2 °})

…”

Section: Resultsmentioning

confidence: 79%

“…Figure 3 shows the (a) UV–vis absorption and (b) PL spectra of MAPbI 3 perovskite films deposited over ITO substrate, PEDOT:PSS, MoO 3 , and PEDOT:PSS/MoO 3 bilayer, and (c) X‐ray diffraction (XRD) patterns for perovskite crystallinity. These films show typical MAPbI 3 absorption behavior, with an onset point near 790 nm (having specific optical band gap <1.5 eV) 14,20,21 …”

Section: Resultsmentioning

confidence: 99%

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Efficient Planar Heterojunction Inverted Perovskite Solar Cells with Perovskite Materials Deposited Using an Aqueous Non‐Halide Lead Precursor

Irshad

Adnan

Lee

2020

Bulletin Korean Chem Soc

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Efficient planar heterojunction inverted perovskite solar cells (PrSCs) were fabricated with MAPbI 3 perovskite layers prepared by using an aqueous Pb(NO 3) 2 as a facile, cost-effective, and an environmentally benign approach. Especially, the MAPbI 3 perovskite film fabricated from aqueous Pb(NO 3) 2 on the MoO 3 /PEDOT:PSS hole transporting material bilayer exhibited better crystallinity, morphology, and performance.

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C_{MAPbI3} = I_{12.7 °} / ((), I_{12.7 °} + I_{14.2 °})

…”

Section: Resultsmentioning

confidence: 79%

Section: Resultsmentioning

confidence: 99%

Efficient Planar Heterojunction Inverted Perovskite Solar Cells with Perovskite Materials Deposited Using an Aqueous Non‐Halide Lead Precursor

Irshad

Adnan

Lee

2020

Bulletin Korean Chem Soc

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“…Generally, low reorganization energies of electron and hole grantees high power conversion efficiency of a solar cell. There is an inverse relation between hole and electron mobility and value of reorganization is seen, that is, low reorganizational energies allow high hole and electron mobility 42–44 …”

Section: Resultsmentioning

confidence: 99%

Enhancement in the Photovoltaic Properties of Hole Transport Materials by End‐Capped Donor Modifications for Solar Cell Applications

Mehboob

Hussain

Irshad

et al. 2021

Bulletin Korean Chem Soc

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Efficient hole transport materials for solar cell applications are gained huge intension of every scientist. Hole transport materials play a dominant role in solar cells as they provide high power conversion efficiency along with low cost, less toxic, and easy synthesis routs. Motivates from valuable literature, here efforts are being made to designed new novel hole transport materials for solar cell applications. Five new and highly efficient hole transport molecules (BT1–BT5) are designed after end‐capped donor modifications of recently synthesized B3 (R) molecule. The photovoltaic, optoelectronic, and structural‐property relationship of all designed molecules are extensively studied while using density functional theory and time‐dependent density functional theory at MPW1PW91/6‐31G(d,p) basis set. Low reorganizational energy of hole is observed in all designed molecules as compared to reference molecule which suggested that designed molecules have high hole mobility as compared to R molecule. Red‐shifting in absorption spectrum of designed molecules (as compared to reference molecule) is also seen which offer high power conversion efficiency and high excited highest occupied molecular orbital to lowest unoccupied molecular orbital charge shifting. Low binding and excitation energies are observed in designed molecules. Molecular electrostatic potential, transition density matrix, hole–electron overlap as heat map, open circuit voltage, density of states, and complex study of BT5:PC61BM is also performed for all studied molecule. After all analysis, we believed that our theoretical designed molecules are superior to R molecule, thus we recommend these molecules to experimentalist for future development of highly‐efficient solar cells.

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“…Generally low values of binding energies allow high PCE and short current density ( J sc ) in organic solar cells. [ 34–36 ] Low binding energy also helps in maximum charge shifting between molecular orbitals. Binding energy ( E b ) is calculated with aid of principal excitation energy and bandgap according to equation

E_{normalb} = E_{H‐L} - E_{OPT}

…”

Section: Resultsmentioning

confidence: 99%

End‐Capped Molecular Engineering of S‐Shaped Hepta‐Ring‐Containing Fullerene‐Free Acceptor Molecules with Remarkable Photovoltaic Characteristics for Highly Efficient Organic Solar Cells

et al. 2021

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Nonfullerene acceptor materials are getting more and more attention from the scientific community because of their various applications in photovoltaic energy devices. Herein, a series of eight new S‐shaped nonfullerene acceptors (SY1–SY8) with end‐capped molecular modeling of IDTP‐4F (R) is designed. These designed materials are theoretically characterized along with the reference molecule R to investigate their structural‐property relationship, photophysical, and optoelectronic properties with density functional theory and time dependent calculations. Moreover, the geometric specifications such as alignments of frontier molecular orbitals, excitation and binding energy, hole‐electron overlap, density of states, overlap density of states, molecular electrostatic potential, open circuit voltage, transition density matrix, and reorganizational energy of electron and hole have also been investigated and compared with the experimentally synthesized reference molecule R. A highly red‐shifting behavior along, with a high charge mobility of electrons is realized after these end‐capped modifications in all designed molecules. Moreover, all designed molecules have lower binding and excitation energies as compared to reference molecule R. After these analyses, it is realized that the newly designed molecules (SY1‐SY8) are better than R, thus these molecules are recommended to experimentalists for the future development of highly efficient OSCs.

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Facile all-dip-coating deposition of highly efficient (CH₃)₃NPbI_3−xCl_x perovskite materials from aqueous non-halide lead precursor

Abstract: Sequential all-dip-coating processed perovskite materials was conducted in an aqueous non-halide lead precursor solution, which was followed by that in a mixed halide solution for high-efficiency perovskite solar cells.

Cited by 70 publications

References 26 publications

Efficient Planar Heterojunction Inverted Perovskite Solar Cells with Perovskite Materials Deposited Using an Aqueous Non‐Halide Lead Precursor

Efficient Planar Heterojunction Inverted Perovskite Solar Cells with Perovskite Materials Deposited Using an Aqueous Non‐Halide Lead Precursor

Enhancement in the Photovoltaic Properties of Hole Transport Materials by End‐Capped Donor Modifications for Solar Cell Applications

End‐Capped Molecular Engineering of S‐Shaped Hepta‐Ring‐Containing Fullerene‐Free Acceptor Molecules with Remarkable Photovoltaic Characteristics for Highly Efficient Organic Solar Cells

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