Efficient and hysteresis-free mixed-dimensional 2D/3D perovskite solar cells using ethyl lactate as a green additive to perovskite precursor solutions

Majeed, Sadeer M.; Mohammed, Mustafa K. A.; Ahmed, Duha S.

doi:10.1039/d2tc03313e

Cited by 33 publications

(13 citation statements)

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“…The solid state ESR spectra of complexes [Cu(L)]( 3 )and[Cu(L)(bpy)]( 7 ) (Figure a,b) were recorded in DMF at 298 K, and their “ g ” tensor values confirm that the complexes exhibit axial symmetry. The ground state of copper(II) complex unpaired electron lies in the d x 2 – y 2 molecular orbital, having 2 B 1(g) as the ground state with g || > g ⊥ > 2.0023 . The spin Hamiltonian parameters of the Cu(II) complex at g ⊥ and g || have the values 2.073 and 2.147, 2.178, and 2.25, respectively.…”

Section: Resultsmentioning

confidence: 99%

“…The FT-IR spectrometric method was used to obtain the IR spectrum of the synthesized complexes in the 400–4000 cm –1 range in ethanol. − The peak annotations of the present complexes are summarized in Table . The O-H stretching band was not detected at 3350 cm –1 , which proposes that phenolic O–H is deprotonated because of complex generation.…”

Section: Resultsmentioning

confidence: 99%

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Chemical, Pharmacological, and Theoretical Aspects of Some Transition Metal(II) Complexes Derived from Pyrrole Azine Schiff Base

Arulmozhi,

Sasikumar,

Subramani

et al. 2023

ACS Omega

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Some new transition metal complexes were prepared by reacting metal(II) salts with Schiff base azines, which were prepared via condensation of 5-(diethylamino) salicylaldehyde and hydrazine with pyrrole-2-carbaldehyde. Their structures were confirmed based on CHN, UV–visible, FT-IR, and EPR measurements. The complexes were also assessed for their antibacterial, antioxidant, and anticancer properties. Some of these chemicals were said to be extraordinarily effective in this respect. The antibacterial activities of the complexes in vitro demonstrated their potential, although the [Cu(L)(bpy] complex was suggested to exhibit moderate activity against pathogens compared to all other in this series. The cytotoxic activity of the prepared analogues showed better cell viability compared with standard cisplatin. Moreover, there is a good agreement between the experimental and theoretical findings from docking and theoretical investigations done using DFT at the B3LYP level.

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Section: Resultsmentioning

confidence: 99%

Section: Resultsmentioning

confidence: 99%

Chemical, Pharmacological, and Theoretical Aspects of Some Transition Metal(II) Complexes Derived from Pyrrole Azine Schiff Base

Arulmozhi,

Sasikumar,

Subramani

et al. 2023

ACS Omega

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“…With a record efficiency of 22.1 % in 2016, PSC effectiveness has increased. [9,10] In order to meet market demand, such devices should focus on cheap production costs, extended lives, light weight, semi-transparency, flexibility and high power conversion efficiency (PCE). [11][12][13][14] Thus, high power conversion efficiency (PCE) and long-term stability are the two main issues for OSCs.…”

Section: Introductionmentioning

confidence: 99%

Excitation Energy Transfer via Electron Transfer between a Semi‐Conducting Single Walled‐Carbon Nanotube and Encapsulated Zinc Porphyrin or Photovoltaic Application

El Fatimy,

Boutahir,

Lopez J

et al. 2024

ChemistrySelect

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In this paper, the encapsulating effect of single molecule of zinc porphyrin (Zn−P) inside semiconducting single walled carbon nanotubes (NT17) on the stability and optoelectronic properties of organic solar cells is investigated, assuming that this nano‐hybrid system will serve as the active layer in solar cell device. Making use of density functional theory (DFT), we looked at the optoelectronic characteristics of the isolated Zn−P molecules as well as two different configurations of the hybrid system that has a single Zn−P molecule inserted into NT17 (Zn−P@NT17 and Zn−P2@NT17). The addition of a zinc atom at the core of a porphyrin molecule results in the emergence of novel electronic and chemical characteristics, leading to distinct behavior compared to a free‐base porphyrin. These distinctions hold substantial implications for a range of applications, encompassing catalysis, sensing, and energy conversion processes. According to the study's outcomes, a charge transfer (CT) between the Zn−P molecules and the NT17 nanotube caused the structure to remain stable, and assuming to the electronic and optical computations the CT in Zn−P@NT17 hybrid nanosystems has been identified, along with its orientation. The results show that type II heterojunctions on filled semiconducting carbon nanotubes are likely to make them a viable choice for charge and light transport in the active layer, which can help create filled NT‐based OSCs that are extremely efficient.

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“…Therefore, researchers started exploring non-Si-based thin-film PV cells owing to their potential in the PV market. Low-cost, high-efficiency, simple fabrication techniques, and device architecture are the primary requirements for large-scale PV applications. − However, inevitable charge carrier thermalization and nonabsorption photon losses are the main problems in single-junction devices. Therefore, to diminish these issues, tandem solar cells (TSCs) are employed in the PV industry to increase the efficiency by reducing the abovementioned losses, proving to be a promising approach. ,− In the TSC architecture, two or more solar cells are stacked one over the other to ensure efficient spectrum utilization to minimize thermalization and nonabsorbed photon losses simultaneously.…”

Section: Introductionmentioning

confidence: 99%

Perovskite-CIGS Monolithic Tandem Solar Cells with 29.7% Efficiency: A Numerical Study

et al. 2023

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Tandem solar cells have higher efficiency than single-junction devices owing to their wide photon absorption range. A wide band gap (Eg) absorber absorbs the higher-energy photons in the top cell. In contrast, a comparatively low band gap absorber material is utilized in the bottom cell to absorb the filtered low-energy photons. Consequently, thermalization and transparent energy losses are overshadowed by the top subcell (Topsc) and the bottom subcell (Bottomsc), respectively. However, to achieve the best efficiency from a tandem design, the choice of active material in the Topsc and the Bottomsc plays an important role. Therefore, in this proposed study, a tandem solar cell comprising a perovskite (Eg 1.68 eV)-based top cell and a copper indium gallium selenide (CIGS, Eg 1.1 eV)-based Bottomsc has been designed and analyzed. A state-of-the-art Me-4PACz ([4-(3,6-dimethyl-9H-carbazol-9-yl)butyl] phosphonic acid) hole transport layer (HTL) in the perovskite solar cell reported in the previous literature has been considered for the top cell, whereas a calibrated CIGS-based Bottomsc with 16.50% efficiency is designed. Both the Topsc and the Bottomsc are examined for the tandem configuration using filtered spectra and current-matching techniques. In perovskite/CIGS tandem design, an ideal tunnel recombination junction uses Me-4PACz and ITO layers. In a tandem configuration with matched current density at an absorber thickness of 347 nm for Topsc and 2.0 μm for Bottomsc, the device delivered an open-circuit voltage (V OC), current density (J SC), and fill factor (FF) of 1.92 V, 20.04 mA/cm2, and 77%, respectively, resulting in an overall power conversion efficiency (PCE) of 29.7%. The results reported in this work would be beneficial for the development of perovskite-CIGS-based monolithic tandem solar cells in the future.

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Efficient and hysteresis-free mixed-dimensional 2D/3D perovskite solar cells using ethyl lactate as a green additive to perovskite precursor solutions

Abstract: Due to their outstanding performance and ease of processing in low temperature solutions, organometal hybrid perovskite solar cells (HPSCs) have recently become a hot topic. Current solution processes extensively use...

Cited by 33 publications

References 74 publications

Chemical, Pharmacological, and Theoretical Aspects of Some Transition Metal(II) Complexes Derived from Pyrrole Azine Schiff Base

Chemical, Pharmacological, and Theoretical Aspects of Some Transition Metal(II) Complexes Derived from Pyrrole Azine Schiff Base

Excitation Energy Transfer via Electron Transfer between a Semi‐Conducting Single Walled‐Carbon Nanotube and Encapsulated Zinc Porphyrin or Photovoltaic Application

Perovskite-CIGS Monolithic Tandem Solar Cells with 29.7% Efficiency: A Numerical Study

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