Advances in organic photovoltaic cells: a comprehensive review of materials, technologies, and performance

RSC Advances, Год журнала: 2023, Номер 13(18), С. 12244 - 12269

Опубликована: Янв. 1, 2023

The paper analyzes the key features, performance, efficiency, and electrical characteristics of organic PV cells to highlight latest trends advancements by using comparative tables a comprehensive SWOT analysis.

Язык: Английский

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Dithienoquinoxalineimide‐Based Polymer Donor Enables All‐Polymer Solar Cells Over 19 % Efficiency

Angewandte Chemie International Edition, Год журнала: 2024, Номер 63(21)

Опубликована: Фев. 22, 2024

All-polymer solar cells (all-PSCs) have been regarded as one of the most promising candidates for commercial applications owing to their outstanding advantages such mechanical flexibility, light weight and stable film morphology. However, compared large amount new-emerging excellent polymer acceptors, development high-performance donor lags behind. Herein, a new D-π-A type donor, namely QQ1, was developed based on dithienoquinoxalineimide (DTQI) A unit, benzodithiophene with thiophene-conjugated side chains (BDTT) D alkyl-thiophene π-bridge, respectively. QQ1 not only possesses strong dipole moment, but also shows wide band gap 1.80 eV deep HOMO energy level -5.47 eV, even without halogen substituents that are commonly indispensable donors. When blended classic acceptor PY-IT, QQ1-based all-PSC delivers an PCE 18.81 %. After introduction F-BTA3 third component, record 19.20 % obtained, highest value reported so far all-PSCs. The impressive photovoltaic performance originates from broad absorption range, reduced loss, compact π-π stacking. These results provide insight in rational design novel nonhalogenated donors further

Язык: Английский

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End-cap modeling on the thienyl-substituted benzodithiophene trimer-based donor molecule for achieving higher photovoltaic performance

Journal of Molecular Graphics and Modelling, Год журнала: 2023, Номер 124, С. 108550 - 108550

Опубликована: Июнь 13, 2023

Язык: Английский

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Exploring the Electronic, Optical, and Charge Transfer Properties of A-D-A-Type IDTV-ThIC-Based Molecules To Enhance Photovoltaic Performance of Organic Solar Cells

ACS Omega, Год журнала: 2023, Номер 8(48), С. 45384 - 45404

Опубликована: Ноя. 22, 2023

Improving the charge mobility and optoelectronic properties of indacenodithiophene-based small molecule acceptors is a key challenge to improving overall efficiency. In this current research, seven newly designed molecules (DT1-DT7) comprising core are presented tune energy levels, enhance mobility, improve photovoltaic performance IDTV-ThIC via density functional theory. All were by end-capped modification substituting terminal with strong electron-withdrawing moieties. Among all examined structures, DT1 has proved itself superior in multiple aspects, including higher λmax chloroform (787 nm) gaseous phase (727 nm), narrow band gap (2.16 eV), electron affinity (3.31 least excitation (1.57 improved due low reorganization excited state lifetime (2.37 ns) when compared reference (IDTV-ThIC) other molecules. DT5 also showed remarkable improvement different parameters, such as lowest exciton binding (0.41 leading easier moveability. The open-circuit voltage DT4 makes them proficient exhibiting transfer phenomenon. enlightened outcomes these can pave new route develop efficient organic solar cell devices using molecules, especially DT1, DT4, DT5.

Язык: Английский

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Electrochemically Engineered Lanthanum Nickelate as a Promising Transparent Hole-Transport Layer for Bulk Heterojunction Polymer Solar Cells: An Experimental and DFT Study

ACS Applied Energy Materials, Год журнала: 2024, Номер 7(4), С. 1647 - 1665

Опубликована: Фев. 8, 2024

Lanthanum nickelate (LNO) was grown on an FTO-coated glass slide by employing the chronoamperometry method and used as a hole transport layer (HTL) in bulk heterojunction polymer solar cells (BHJ PSCs). The electrodeposition parameters, including deposition time, potential magnitude, electrolyte conditions, were changed to obtain LNO thin films, providing appropriate energy levels HTL. electrochemical, morphological, optical, structural characteristics of electrochemically produced samples compared those sample prepared via sol–gel procedure. applying −1.18 V while stirring exhibited significantly better electrochemical optical properties. fabricated PSC using this provided considerably higher (45.3%) power conversion efficiency (PCE) than based film acquired method. superior performance BHJ ascribed increased electroactive surface area (1.341 cm2), improved charge mobility (2.30 × 10–6 cm2 V–1 s–1), reduced recombination probabilities. A short circuit current 13.24 mA cm2, open voltage approximately 0.64 V, fill factor 70%, external quantum 75.3%, PCE 5.9% demonstrated best PSC, surpassing reference device with PEDOT:PSS Moreover, remarkable ambient stability, maintaining 84% its initial after 450 h aging. agreement between DFT calculations experimental results confirmed that possesses elastic required improve stability PSCs

Язык: Английский

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Dithienoquinoxalineimide‐Based Polymer Donor Enables All‐Polymer Solar Cells Over 19 % Efficiency

Angewandte Chemie, Год журнала: 2024, Номер 136(21)

Опубликована: Фев. 22, 2024

Abstract All‐polymer solar cells (all‐PSCs) have been regarded as one of the most promising candidates for commercial applications owing to their outstanding advantages such mechanical flexibility, light weight and stable film morphology. However, compared large amount new‐emerging excellent polymer acceptors, development high‐performance donor lags behind. Herein, a new D‐π‐A type donor, namely QQ1, was developed based on dithienoquinoxalineimide (DTQI) A unit, benzodithiophene with thiophene‐conjugated side chains (BDTT) D alkyl‐thiophene π‐bridge, respectively. QQ1 not only possesses strong dipole moment, but also shows wide band gap 1.80 eV deep HOMO energy level −5.47 eV, even without halogen substituents that are commonly indispensable donors. When blended classic acceptor PY‐IT, QQ1‐based all‐PSC delivers an PCE 18.81 %. After introduction F‐BTA3 third component, record 19.20 % obtained, highest value reported so far all‐PSCs. The impressive photovoltaic performance originates from broad absorption range, reduced loss, compact π–π stacking. These results provide insight in rational design novel nonhalogenated donors further

Язык: Английский

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Shamrock-shaped non-fullerene acceptors enable high-efficiency and high-voltage organic photovoltaics

Energy & Environmental Science, Год журнала: 2024, Номер 17(11), С. 3868 - 3877

Опубликована: Янв. 1, 2024

We developed two shamrock-shaped NFAs, AQI2 and AQI4. D18:AQI2 achieved a PCE of 16.48% with V OC 1.00 V, D18:AQI4 higher 18.02% 0.95 due to decreased energy loss efficient photon utilization.

Язык: Английский

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Exploring the potential of end-capping acceptor engineering on indolo[3,2-b]indole-based small molecules for efficient organic and perovskite solar cells

RSC Advances, Год журнала: 2024, Номер 14(8), С. 5248 - 5263

Опубликована: Янв. 1, 2024

Photovoltaic (PV) materials, especially organic and perovskite solar cells are effective candidates for meeting the rising global energy demand.

Язык: Английский

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Multi‐component Copolymerized Donors enable Frozen Nano‐morphology and Superior Ductility for Efficient Binary Organic Solar Cells

Angewandte Chemie International Edition, Год журнала: 2024, Номер 63(31)

Опубликована: Май 18, 2024

Multi-component copolymerized donors (MCDs) have gained significant interest and been rapidly developed in flexible organic solar cells (f-OSCs) recent years. However, ensuring the power conversion efficiency (PCE) of f-OSCs while retaining ideal mechanical properties remains an enormous challenge. The fracture strain (FS) value typical high-efficiency blend films is generally less than 8 %, which far from application standards wearable photovoltaic devices. Therefore, we a series novel MCDs after meticulous molecular design. Among them, consistent MCD backbone end-capped functional group formed highly conjugated plane, solubilization were effectively optimized by modifying proportion solubilized alkyl chains. Consequently, due to formation entangled structures with frozen film morphology considerably improved high ductility active layer, P1

Язык: Английский

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Graphene-based thin wire K-shaped machine learning optimized solar thermal absorber design using Cr-SiO2-Ag materials

Ain Shams Engineering Journal, Год журнала: 2025, Номер 16(2), С. 103262 - 103262

Опубликована: Янв. 13, 2025

Язык: Английский

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