Progress in Stability of Organic Solar Cells

Advanced Science, Journal Year: 2020, Volume and Issue: 7(11)

Published: April 22, 2020

Abstract The organic solar cell (OSC) is a promising emerging low‐cost thin film photovoltaics technology. power conversion efficiency (PCE) of OSCs has overpassed 16% for single junction and 17% organic–organic tandem cells with the development low bandgap materials synthesis device processing main barrier commercial use poor stability devices. Herein, factors limiting are summarized. oxygen, water, irradiation, heating, metastable morphology, diffusion electrodes buffer layers materials, mechanical stress. recent progress in strategies to increase surveyed, such as material design, engineering active layers, employing inverted geometry, optimizing using stable encapsulation materials. International Summit on Organic Photovoltaic Stability guidelines also discussed. potential research achieve required highlighted, rendering possible pathways facilitate viable commercialization OSCs.

Language: Английский

---

Recent Progress and Challenges toward Highly Stable Nonfullerene Acceptor‐Based Organic Solar Cells

Advanced Energy Materials, Journal Year: 2020, Volume and Issue: 11(5)

Published: Dec. 27, 2020

Abstract Organic solar cells (OSCs) based on nonfullerene acceptors (NFAs) have made significant breakthrough in their device performance, now achieving a power conversion efficiency of ≈18% for single junction devices, driven by the rapid development molecular design and engineering recent years. However, long‐term stability remains major challenge to overcome commercialization, due large part current lack understanding degradation mechanisms as well rules enhancing stability. In this review, progress high performance NFA‐based OSCs is specific focus. First, an overview advances several classes various targeted applications provided, before presenting critical review different identified through photochemical‐, photo‐, morphological pathways. Potential strategies address these further enhancement, from design, interfacial engineering, morphology control perspectives, are also discussed. Finally, outlook given highlighting remaining key challenges toward NFA‐OSCs.

Language: Английский

---

Ternary organic solar cells based on non-fullerene acceptors: A review

Organic Electronics, Journal Year: 2021, Volume and Issue: 90, P. 106063 - 106063

Published: Jan. 13, 2021

Language: Английский

---

End-capped engineering of truxene core based acceptor materials for high performance organic solar cells: theoretical understanding and prediction

Optical and Quantum Electronics, Journal Year: 2021, Volume and Issue: 53(2)

Published: Feb. 1, 2021

Language: Английский

---

Progress in Semitransparent Organic Solar Cells

Solar RRL, Journal Year: 2021, Volume and Issue: 5(5)

Published: March 17, 2021

Opaque and semitransparent organic solar cells (ST‐OSCs) have made tremendous progress in recent years. Efficiencies over 18% 13% been demonstrated for opaque ST‐OSCs, respectively. OSCs do not contain unfavorable elements such as lead, which makes them available broader potential applications when compared with other lead‐contained thin‐film cells. There has also the extremely appealing promising emerging building‐integrated photovoltaics. Herein, a review field is presented helping researchers better understand ST‐OSCs further realize their potentials. Recent strategies based on three perspectives are summarized, including electrode engineering, active layer device engineering. A wide range of where can be used discussed challenges future developments pointed out. Finally, outlook research directions presented.

Language: Английский

---

Organic Photovoltaics’ New Renaissance: Advances Toward Roll‐to‐Roll Manufacturing of Non‐Fullerene Acceptor Organic Photovoltaics

Advanced Materials Technologies, Journal Year: 2022, Volume and Issue: 7(10)

Published: Feb. 26, 2022

Abstract Non‐fullerene acceptors (NFAs) have recently breathed new life into organic photovoltaic (OPVs), achieving breakthrough conversion efficiencies. Unlike conventional fullerene acceptors, they offer strong levels of tunability and solution‐processibility that allow them to be easily exploited in the roll‐to‐roll (R2R) fabrication process. This has enabled a renaissance for OPVs face other material candidates large‐scale, high‐throughput, cost‐effective manufacturing. In this review, current progress R2R manufacturing NFA‐OPVs applications by are summarized. The perspectives on their research, technological, future prospects industry scale‐up also presented.

Language: Английский

---

Role of donors in triggering second order non-linear optical properties of non-fullerene FCO-2FR1 based derivatives: A theoretical perspective

Heliyon, Journal Year: 2023, Volume and Issue: 9(2), P. e13033 - e13033

Published: Jan. 17, 2023

The organic compounds are known as an emerging class in the field of nonlinear optical (NLO) materials. In this paper, D-π-A configured oxygen containing chromophores (FD2-FD6) were designed by incorporating various donors chemical structure FCO-2FR1. This work is also inspired feasibility FCO-2FR1 efficient solar cell. Theoretical approach involving DFT functional i.e., B3LYP/6-311G(d,p) was utilized to achieve useful information regarding their electronic, structural, and photonic properties. structural modifications revealed significant electronic contribution designing HOMOs LUMOs for derivatives with lowered energy gaps. lowest HOMO-LUMO band gap obtained 1.223 eV FD2 compound comparison reference molecule (FCO-2FR1) 2.053 eV. Moreover, findings that end-capped substituents play a key role enhancing NLO response these push-pull chromophores. UV-Vis spectra tailored molecules larger λmax values than compound. Furthermore, strong intramolecular interactions showed highest stabilization (28.40 kcal mol-1) natural bond orbitals (NBOs) transitions, combined least binding (-0.432 eV). Successfully, results favorable same chromophore (FD2) which value dipole moment (μtot = 20.049 D) first hyper-polarizability (βtot 11.22 × 10-27 esu). Similarly, largest linear polarizability ⟨α⟩ 2.936 10-22 esu FD3 Overall, calculated greater compared current study may provoke researchers towards highly materials via using suitable linking species.

Language: Английский

---

Recent Progress in the Design of Fused-Ring Non-Fullerene Acceptors─Relations between Molecular Structure and Optical, Electronic, and Photovoltaic Properties

ACS Applied Energy Materials, Journal Year: 2021, Volume and Issue: 4(11), P. 11899 - 11981

Published: Oct. 26, 2021

Organic solar cells are on the dawn of next era. The change focus toward non-fullerene acceptors has introduced an enormous amount organic n-type materials and drastically increased power conversion efficiencies photovoltaics, now exceeding 18%, a value that was believed to be unreachable some years ago. In this Review, we summarize recent progress in design ladder-type fused-ring 2018–2020. We thereby concentrate single layer heterojunction omit tandem architectures as well ternary cells. By analyzing more than 700 structures, highlight basic principles their influence optical electrical structure acceptor molecules review photovoltaic performance obtained so far. This Review should give extensive overview plenitude motifs but will also help understand which structures strategies beneficial for designing highly efficient

Language: Английский

---

Photovoltaic pavement and solar road: A review and perspectives

Sustainable Energy Technologies and Assessments, Journal Year: 2022, Volume and Issue: 55, P. 102933 - 102933

Published: Dec. 19, 2022

Language: Английский

---

Self‐Healing of Proton‐Irradiated Organic Photodiodes and Photovoltaics

Advanced Energy Materials, Journal Year: 2023, Volume and Issue: 13(37)

Published: Aug. 6, 2023

Abstract In this study, a comprehensive quantitative analysis of the photodiode (PD) is conducted and photovoltaic (PV) characteristics organic non‐fullerene PCE10:ITIC‐4F devices before after exposure to 150 ns pulse 170 keV proton irradiation with fluence 2·10 12 p cm −2 that equivalent ≈6 years operation at low Earth orbit. While an expected initial performance reduction happened in modes, hitherto unknown self‐healing effect observed several days irradiation. The bulk‐heterojunction (BHJ) material properties multi‐mechanisms recombination processes during are investigated. This provides understanding changes occurring device physics points toward relevant aspects mechanism related dynamics proton‐induced traps bulk active layer. Ultimately, synergy record lightweight features newly discovered damage PDs solar cells highlights their great potential for applications rapidly emerging space technology.

Language: Английский

---