Sidechain Engineering Solar Cells
Narrow bandgap n-type molecular semiconductors are relevant as key materials components for the fabrication near-infrared organic solar cells (OSCs) and organic photodetectors (OPDs). We thus desig...
Side-Chain Engineering of Nonfullerene Acceptors for …
Narrow bandgap n-type molecular semiconductors are relevant as key materials components for the fabrication near-infrared organic solar cells (OSCs) and organic photodetectors (OPDs). We thus desig...
Non-fullerene acceptor with asymmetric structure and phenyl …
For organic solar cells (OSCs), bridging the gap with Shockley–Queisser limit necessitates simultaneously reducing the energy loss for a high open-circuit voltage, improving light utilization ...
Benzyl side-chain engineering of non-fullerene acceptors for …
Side-chain engineering is one of the most promising ways to develop non-fullerene acceptors (NFAs) for organic solar cells. In this work, we designed and synthesized a novel acceptor IT-BnC6-4F by introducing methylene group between the phenyl group and the sp 3 hybrid carbon atoms of central conjugated cores to form benzyl side chains. IT-BnC6-4F …
Side Chain Engineering on Medium Bandgap Copolymers to ...
Suppression of carrier recombination is critically important in realizing high-efficiency polymer solar cells. Herein, it is demonstrated difluoro-substitution of thiophene conjugated side chain on donor polymer can suppress triplet formation for reducing …
Silane or Siloxane‐Side‐Chain Engineering of Photovoltaic …
With the tactful material design, skillful device engineering, and in-depth understanding of morphology optimization, organic solar cells (OSCs) have achieved considerable success. Therefore, OSCs have reached high power conversion efficiencies (PCEs) exceeding ...
Low band gap conjugated polymers combining siloxane …
Alternating and random conjugated copolymers with a siloxane-terminated side chain for a repeating unit based on 5,6-difluoro[2,1,3]benzothiadiazole (FBT) and quarterthiophene (4T) were synthesized, among which side-chain random copolymers PFBT4T-C5Si-50% and PFBT4T-C5Si-25% with low contents of 50% and 25%
Enhancing performance of non-fullerene organic solar cells via …
Side chain engineering. Indacenodithiophene. 1. Introduction. Solar cells, as an exciting class of renewable energy technology, are a promising long-term solution for energy crisis and environmental problems caused by massive production and consumption of fossil fuels.
Side-Chain Engineering in ITIC Skeleton Enabling As-Cast Organic Solar ...
DOI: 10.1021/acsmaterialslett.4c00287 Corpus ID: 269452691 Side-Chain Engineering in ITIC Skeleton Enabling As-Cast Organic Solar Cells with Reduced Energy Loss and Improved Vertical Phase Distribution @article{Zhu2024SideChainEI, title={Side-Chain ...
High performance achieved via core engineering and side-chain ...
High performance achieved via core engineering and side-chain engineering in organic solar cells based on the penta-fused-ring acceptor F. Li, Y. Chen, X. Fan, C. Gao, X. Zhu and L. Yang, J. Mater. Chem. C, 2022, 10, 7724 DOI: 10.1039/D2TC00725H . To request permission to ...
Side‐chain symmetry‐breaking strategy on ...
Abstract Side-chain symmetry-breaking strategy plays an important role in developing photovoltaic materials for high-efficiency all-small-molecule organic solar cells (ASM OSCs). However, the power... Skip to Article Content; ... among side-chain engineering, ...
High performance achieved via core engineering and side-chain ...
We demonstrate that core engineering by replacing thiophene with pyrrole enables low-band gap NFAs and side chain engineering enables a more ideal phase separation in the active layer, …
Side-chain engineering of benzotriazole-based polymers as hole ...
Side-chain engineering of benzotriazole-based polymers as hole transport material enables high-efficiency CsPbI 2 Br single-junction and tandem perovskite solar cells Author links open overlay panel Yuanjia Ding a b 1, Chen Duan a b 1, Qiang Guo a, Yuhan Meng a b, Zongtao Wang a b, Zheng Dai a b, Erjun Zhou b
High performance achieved via core engineering and side-chain ...
High performance achieved via core engineering and side-chain engineering in organic solar cells based on the penta-fused-ring acceptor F. Li, Y. Chen, X. Fan, C. Gao, X. Zhu and L. Yang, J. Mater.
Side Chain Functional Molecule Additives for Efficient …
In the commercial development of perovskite solar cells, the main challenge lies in achieving efficient devices with high stability. Additive engineering in polycrystalline perovskites is ...
Side-Chain Engineering in ITIC Skeleton Enabling As-Cast Organic Solar ...
TY - JOUR T1 - Side-Chain Engineering in ITIC Skeleton Enabling As-Cast Organic Solar Cells with Reduced Energy Loss and Improved Vertical Phase Distribution AU - Zhu, Jintao AU - Lv, Li AU - Dai, Tingting AU - Pan, Run AU - Wang, Fan AU - Yang, Jiaqi
Unraveling the influence of non-fullerene acceptor molecular ...
Liu, T. et al. Optimized fibril network morphology by precise side-chain engineering to achieve high-performance bulk-heterojunction organic solar cells. Adv. Mater. 30, 1707353 (2018).
Subtle Side Chain Triggers Unexpected Two-Channel Charge …
To clearly show how important the impact of side chains on organic solar cells (OSCs) is, we designed three acceptors IDIC-CxPh (x = 4, 5, or 6) via subtle side-chain regulation. Despite this small change, significant distinctions were detected. IDIC-C4Ph devices achieve an optimal efficiency of 13.94% under thermal annealing, but thermal-assistant solvent …
Deciphering the Role of Side‐Chain Engineering and Solvent …
Deciphering the Role of Side-Chain Engineering and Solvent Vapor Annealing for Binary All-Small-Molecule Organic Solar Cells. Tongle Xu, ... Fibrous interpenetrating network structure morphology is extremely crucial for all-small-molecule organic solar cells (ASM-OSCs) in achieving high power conversion efficiency (PCE). Rational molecular ...
High-performance polymer solar cells with efficiency over 18
Side-chain engineering has been considered as one of the most promising strategies to optimize non-fullerene small-molecule acceptors (NFSMAs). Previous efforts were focused on the optimization of alkyl-chain length, shape, and branching sites. In this work, we propose that asymmetric side-chain engineering can effectively tune the properties of NFSMAs …
Side-chain engineering of high-efficiency conjugated polymer ...
In recent years, conjugated polymers have attracted great attention in the application as photovoltaic donor materials in polymer solar cells (PSCs). Broad absorption, lower-energy bandgap, higher hole mobility, relatively lower HOMO energy levels, and higher solubility are important for the conjugated polymer donor materials to achieve high photovoltaic …
Crystallinity modulation of donors by heteroatom side-chain engineering ...
All-small-molecule organic solar cells (ASM-OSCs) have attracted considerable attention owing to their excellent batch-to-batch reproducibility. Herein, two new small molecules with alkoxyphenyl- and alkthiophenyl-substituted benzodithiophene (BDT) as the central building block named BDT-O and BDT-S were suc
Heteroatom conjugated-shoulder side-chains-based non ...
In the field of organic solar cells (OSCs), shoulder side-chain engineering on Y-series non-fullerene acceptors (NFAs) has been the subject of great interest toward realizing high power conversion efficiencies (PCEs). Here, we report a procedure for post-attaching shoulder side chains on Y-series NFAs.
Side‐Chain Engineering on Dopant‐Free Hole‐Transporting …
Side-Chain Engineering on Dopant-Free Hole-Transporting Polymers toward Highly Efficient Perovskite Solar Cells (20.19%) ... Shenzhen Engineering Research and Development Center for Flexible Solar Cells, Southern University of Science and Technology, Shenzhen, Guangdong Province, 518055 China.
Side‐Chain Engineering on Y‐Series Acceptors with …
Chemical modifications of non-fullerene acceptors (NFAs) play vital roles in the development of high efficiency organic solar cells (OSCs). In this work, on the basis of the previously reported molecule named Y6-1O, …
Side chain engineering of polymer acceptors for all-polymer solar cells ...
The side chain engineering aims to fine-tune the polymer chain packing and thus optimize the film morphology. When applied in all-PSCs through additive-free processing, the PBTI2(50DT)-FT-based cells yield a promising PCE of 8.32% with the well-known PTB7-Th as the polymer donor, substantially higher than those of the two parent copolymers (6.82% for PBTI2(0DT)-FT and …
Alkyl side chain engineering for difluorinated ...
Side chain engineering plays a vital role in fine tuning of non-fullerene acceptors for the contemporary organic solar cells. In this work, we compare central alkyl side chains in the modification of photophysical and photovoltaic properties of difluorinated benzothiadiazole flanked non-fullerene acceptors. With a hexyl side chain, the resulting non …
Unconjugated Side‐Chain Engineering Enables Small Molecular …
2D conjugated side‐chain engineering is an effective strategy that is widely utilized to construct benzodithiophene‐based polymers. ... Organic solar cells based on PBDB‐T:BTTIC‐TT achieve a power conversion efficiency (PCE) of 13.44%, which is higher than (12 ...
Outer sidechain engineering of selenophene and thiophene …
A series of selenium-containing non-fullerene acceptors with side chain engineering for organic solar cells
Silane or Siloxane‐Side‐Chain Engineering of ...
Jul 25, 2023, Qian Wang and others published Silane or Siloxane‐Side‐Chain Engineering of Photovoltaic Materials for Organic Solar Cells | Find, read and cite all the research you need on ...
Side-chain engineering for efficient non-fullerene polymer solar cells ...
Side-chain engineering for efficient non-fullerene polymer solar cells based on a wide-bandgap polymer donor ... (PCE) of 9.53% and a short-circuit current density (J sc) of 17.43 mA cm −2, the PSBZ:ITIC-based polymer solar cells yielded a higher PCE of 10.5% with a higher J sc of 19.0 mA cm −2. The results show that our design strategy is ...
Side-Chain Engineering of Donor-Acceptor Conjugated Small ...
Simultaneously improving efficiency and stability, which are particularly crucial factors for the commercialization of perovskite solar cells (PSCs), remains a major challenge. For high-efficiency normal PSCs, the development of stable dopant-free hole-transport materials (HTMs) seems imperative. He …
Side chain engineering of poly-thiophene and its impact on …
Hybrid solar cells comprising inorganic and organic semiconductors enable the fabrication of very cost effective photovoltaic devices due to the solution based processing capability of organic compounds. Power conversion efficiencies of η > 10% have already been reported for planar hybrid solar cells based on Si/poly(3-hexylthiophene) (P3HT) or Si/poly(3,4 …
(PDF) Side Chain Engineering on Medium Bandgap
Side Chain Engineering on Medium Bandgap Copolymers to Suppress Triplet Formation for High‐Efficiency Polymer Solar Cells August 2017 Advanced Materials 29(40)
Side-chain engineering of medium bandgap polymer donors for …
Polymer solar cells (PSCs), employing a p-type conjugated polymer as electron donor and an n-type organic semiconductor (n-OS) as electron acceptor, is considered to be a promising candidate for commercial applications as renewable photovoltaic technology because of its advantages of low cost solution processing, light weight and flexibility for wearable …
Side-chain engineering on triphenylamine derivative-based hole ...
Side-chain engineering on triphenylamine derivative-based hole-transport materials for perovskite solar cells: Theoretical simulation and experimental exploration Author links open overlay panel Ruiqin Wang a 1, Rui Wang a 1 …
Side-chain engineering of nonfullerene small-molecule …
Thanks to their broad absorption spectra, easily modifiable molecular energy levels and chemical structures, nonfullerene small-molecule acceptors (SMAs) have attracted significant attention in the recent decade. To …
Side‐Chain Engineering for Enhancing the Properties of Small …
Three small molecules with different substituents on bithienyl-benzo[1,2-b:4,5-b′]dithiophene (BDTT) units, BDTT-TR (meta-alkyl side chain), BDTT-O-TR (meta-alkoxy), and BDTT-S-TR (meta-alkylthio), are designed and synthesized for systematically elucidating their structure–property relationship in solution-processed bulk heterojunction organic solar cells.
Recent progress in side chain engineering of Y-series non …
Organic solar cells (OSCs) have drawn considerable attention in the last decade due to the great potential of light weight, flexibility, and low-cost solution processing. Particularly, Y-series non-fullerene acceptors (NFAs) including small molecular acceptors (SMAs) and polymerized small molecular acceptors (PSMAs) have become research hot spots due to …
Benzyl side-chain engineering of non-fullerene acceptors for …
Side-chain engineering is one of the most promising ways to develop non-fullerene acceptors (NFAs) for organic solar cells. In this work, we designed and synthesized a …
Side‐Chain Engineering for Enhancing the Thermal Stability of …
An effective strategy of engineering side chains is proposed for enhancing solar-cell-device thermal stability. As the conjugated length of the side chains increases, the morphological stability of the blend film is enhanced.