Donor materials for solar cells
3 · By incorporating thiophene as a π-bridge into the small donor material, the J SC and FF of organic solar cells (OSCs) can be enhanced, resulting in a larger PCE. …
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Impact of Different π-Bridges on the Photovoltaic Performance of …
3 · By incorporating thiophene as a π-bridge into the small donor material, the J SC and FF of organic solar cells (OSCs) can be enhanced, resulting in a larger PCE. …
Triplet Homoleptic Iridium(III) Complex as a Potential Donor Material for Organic Solar Cells …
Triplet photovoltaic materials have been rarely investigated in organic solar cells (OSCs) because the role and mechanism of triplet excitons are still unclear. Cyclometalated heavy metal complexes with triplet features are expected to increase exciton diffusion lengths and improve exciton dissociation in OSCs, while the power conversion …
High-performance conjugated polymer donor materials for …
In the past few years, the emergence of nonfullerene (n-type organic semiconductor (n-OS)) acceptors combining with the rational design of conjugated polymer donor materials has …
Organic solar cell
Organic solar cell
Recent Advances of Benzodithiophene-Based Donor Materials for Organic Solar Cells
Notably, single-junction OSCs using BDT-based polymers as donor materials have completed a PCE of over 19%, indicating a dramatic potential for preparing high-performance large-scale OSCs. This paper reviews the recent progress of OSCs based on BDT polymer donor materials (PDMs).
Designing of novel organic semiconductors materials for organic solar cells…
The fabrication of high-performance organic solar cells (OSCs) devices was also suggested by using the ML models. ... Quantum chemical design of D–π–A-type donor materials for highly efficient, photostable, and vacuum-processed organic solar cells, …
Non-Equivalent Donor-Acceptor Type Polymers as …
Non-equivalent donor-acceptor polymers are particularly studied as dopant-free hole-transporting materials of perovskite solar cells (PVSCs) for the first time. Polymer F-15 with the appropriate D : A ratio …
Molecular Donor‐Acceptor Dyads for Single‐Material …
Introduction. Single material organic solar cells (SMOSC) currently undergo a "renaissance", because in recent time the photoactive molecules and materials and at once the control of the nanomorpholgy …
BODIPY derivatives as donor materials for bulk heterojunction solar cells …
BODIPY derivatives have been used as donor in solution-processed bulk heterojunction solar cells using PCBM as acceptor.Among the best known and investigated organoboron derivative compounds are ...
Benzodithiophenedione-based polymers: recent …
Except for two components (donor and acceptor) as optical-active materials, the ternary strategy in OPVs has been considered a very promising candidate for enhancing the photovoltaic...
DFT and TD-DFT studies of new triphenylamine-based (D–A–D) donor materials for high-efficiency organic solar cells
The DFT approach of Becke''s three-parameter compound (B3LYP) was employed in all studies of triphenylamine (TPA) molecules as a donor (D) for solar cell applications in this work. We created three donor molecules (D–A–D) with a strong donor moiety of triphenylamine (TPA) connected to three distinct acceptor
Effect of electron-withdrawing terminal group on BDT-based donor ...
Rational end group modification has been found as an effective strategy to improve power conversion efficiencies (PCEs) for photovoltaic materials. However, due to different electronic processes competition, various interaction factors must be taken into account to make materials design. Through density functional theory (DFT) and time …
Effect of donor–acceptor molecular orientation on charge ...
The relative orientation of an electron donor and electron acceptor, which significantly affects charge photogeneration in an organic solar cell, is investigated here. The effects of the molecular ...
Machine learning for accelerating the discovery of high ...
Machine learning for accelerating the discovery of high- ...
Recent advances in organic solar cells: materials, design, and …
Organic solar cells have emerged as promising alternatives to traditional inorganic solar cells due to their low cost, flexibility, and tunable properties. This mini review introduces a novel perspective on recent advancements in organic solar cells, providing an overview of the latest developments in materials, device architecture, and performance …
High-performance conjugated polymer donor materials for polymer solar cells with narrow-bandgap nonfullerene acceptors …
In the past few years, the emergence of nonfullerene (n-type organic semiconductor (n-OS)) acceptors combining with the rational design of conjugated polymer donor materials has dominated the rapid development of highly efficient polymer solar cells (PSCs). Relative to the traditional fullerene derivative ac
Increasing donor-acceptor spacing for reduced voltage loss in organic solar cells
The performance of donor-acceptor (DA) organic solar cells based on the bulk-heterojunction (BHJ) concept 1,2 has been improving rapidly 3,4,5,6,7,8,9,10, as a result of the development of high ...
Designing of novel organic semiconductors materials for organic solar ...
Easy and fast prediction of green solvents for small molecule donor-based organic solar cells through machine learning. Phys. Chem. Chem. Phys., 25 (2023), pp. 10417-10426. ... Theoretical understanding and role of guest π-bridges in triphenylamine-based donor materials for high-performance solar cells. Energy Fuels, 35 (2021), ...
Recent Advances of Benzodithiophene‐Based Donor Materials …
This paper reviews the recent progress of OSCs based on BDT polymer donor materials (PDMs). The development of BDT-based OSCs is concisely …
Evaluation of bis-dicyanovinyl short-chain conjugated systems as donor ...
The first evaluation of the potentialities of these compounds as donor material in organic solar cells has been carried out on bilayer devices using vacuum deposited fullerene C 60 as an acceptor. The results show that the largest value of current is obtained with donors based on carbazole and dithienopyrrole donor blocks, suggesting …
Materials Science and Engineering: B
This present study focuses on designing five bithienothiophene (BTTI) central core-based small molecules (MPA-BTTI-A1-MPA-BTTI-A5) in exploring the optoelectronic properties to ensure their potentiality as donor candidates for organic solar cells (OSCs) and HTMs.MPA-BTTI-A1 and MPA-BTTI-A3 are tailored by the replacing …
Recent advances in polymeric and small molecule donor …
Asymmetric modification in small molecule donors of organic solar cells is essential to enhance performance for several key reasons, such as enabling the fine …
Charge-transfer electronic states in organic solar cells
In organic solar cells, the charge-transfer (CT) electronic states that form at the interface between the electron-donor (D) and electron-acceptor (A) materials have a crucial role in ...
Influence of end-capped engineering on 3-dimenional star-shaped ...
Influence of end-capped engineering on 3-dimenional star-shaped triphenylamine-based donor materials for efficient organic solar cells. Author links open overlay panel Muhammad Adnan a 1, Zobia ... based HTMs are the most attractive and widely used materials in the solar cells field. To date, the best performance HTM is the …
Accelerating the generation and discovery of high-performance donor ...
Organic solar cells are a potential solution for sustainable energy. However, it is time-consuming and costly to discover high-efficiency materials for organic solar cells. In this study, a deep learning-based framework (DeepDonor) has been developed to find high-performance donor materials. Specifically, a Journal of Materials …
Carbazole-based donor materials with enhanced photovoltaic parameters for organic solar cells and hole-transport materials …
To find the best use of our investigated molecules as donor in organic solar cells, we have chosen PC 16 BM acceptor for calculation of V oc. The HOMO value for PC 16 BM acceptor is − 6.1 eV and its LUMO value is − 3.7 eV ...
Theoretical design and evaluation of efficient small donor molecules for organic solar cells
Context The development of high-efficiency photovoltaic devices is the need of time with increasing demand for energy. Herein, we designed seven small molecule donors (SMDs) with A-π-D-π-A backbones containing various acceptor groups for high-efficiency organic solar cells (OSCs). Molecular engineering was performed by …
MXenes: promising donor and acceptor materials for high …
Constructing heterostructure solar cells using donor and acceptor semiconductors has attracted global interest owing to their high power conversion efficiency. In this paper, based on density functional theory calculations, we comprehensively evaluated 64 two-dimensional transition metal carbides (MXenes) to
Accelerating the generation and discovery of high-performance donor materials for organic solar cells by deep learning
Organic solar cells are a potential solution for sustainable energy. However, it is time-consuming and costly to discover high-efficiency materials for organic solar cells. In this study, a deep learning-based framework (DeepDonor) has been developed to find high-performance donor materials. Specifically, a
Environmentally compatible 3‐dimensional star‐shaped donor materials for efficient organic solar cells …
Small molecule (SM)-based star-shaped materials are getting tremendous attention to be employed as hole transport materials for organic/perovskite solar cells (OSCs) due to their tunable energy levels, intense absorption ability, and their three-dimensional (3D
[PDF] Evaluation of Electron Donor Materials for …
DOI: 10.1002/aenm.201700465 Corpus ID: 99821132; Evaluation of Electron Donor Materials for Solution‐Processed Organic Solar Cells via a Novel Figure of Merit @article{Min2017EvaluationOE, title={Evaluation of Electron Donor Materials for Solution‐Processed Organic Solar Cells via a Novel Figure of Merit}, author={Jie Min and …
Stability of organic solar cells with PCDTBT donor polymer: An ...
This work is part of the interlaboratory collaboration to study the stability of organic solar cells containing PCDTBT polymer as a donor material. The varieties of the OPV devices with different device architectures, electrode materials, encapsulation, and device dimensions were prepared by seven research laboratories. Sets of identical …
Accelerating the generation and discovery of high-performance …
Organic solar cells are a potential solution for sustainable energy. However, it is time-consuming and costly to discover high-efficiency materials for organic …
Performance comparison of fluorinated and chlorinated donor–acceptor copolymers for polymer solar cells
Fluorinated and chlorinated donor–acceptor alternating copolymers, F-PBTQT and Cl-PBTQT, were synthesized and used as donor materials for polymer solar cells. Among them, Cl-PBTQT exhibited much better device performance, and a single-junction efficiency of 8.16% was achieved, indicating that chlorination co
Buried Interface Strategies with Covalent Organic Frameworks for …
3 · Simultaneously controlling defects and film morphology at the buried interface is a promising approach to improve the power conversion efficiency (PCE) of inverted …