A5100677996- Organic Electronics and Photovoltaics
- Conducting polymers and applications
- Perovskite Materials and Applications
- Cerebrovascular and Carotid Artery Diseases
- Structural Integrity and Reliability Analysis
- Mesenchymal stem cell research
- Hydraulic Fracturing and Reservoir Analysis
- Geotechnical Engineering and Underground Structures
- Soil Carbon and Nitrogen Dynamics
- Cerebrovascular and genetic disorders
- Hydrocarbon exploration and reservoir analysis
- Engineering Structural Analysis Methods
- Land Use and Ecosystem Services
- Intracranial Aneurysms: Treatment and Complications
- Organic Light-Emitting Diodes Research
- Musculoskeletal pain and rehabilitation
- Spine and Intervertebral Disc Pathology
- Quantum Dots Synthesis And Properties
- Lung Cancer Treatments and Mutations
- Offshore Engineering and Technologies
- Acute Ischemic Stroke Management
- Nephrotoxicity and Medicinal Plants
- Thin-Film Transistor Technologies
- Traditional Chinese Medicine Analysis
- Chalcogenide Semiconductor Thin Films
Shanghai East Hospital
2021-2025
Chongqing University
2024-2025
RS Dynamics (Czechia)
2025
State Key Laboratory of Coal Mine Disaster Dynamics and Control
2025
Jilin University
2023-2025
Sichuan University
2025
West China Hospital of Sichuan University
2025
Chinese Academy of Sciences
2003-2024
Institute of Chemistry
2020-2024
Beijing National Laboratory for Molecular Sciences
2020-2024
Abstract All-polymer solar cells (all-PSCs) based on polymerized small molecular acceptors (PSMAs) have made significant progress recently. Here, we synthesize two A-DA’D-A molecule acceptor PSMAs of PS-Se with benzo[c][1,2,5]thiadiazole A’-core and PN-Se benzotriazole A’-core, for the studies effect structure photovoltaic performance PSMAs. The possess broad absorption showing more red-shifted than suitable electronic energy levels application as polymer in all-PSCs PBDB-T donor. Cryogenic...
Abstract Side‐chain engineering has been an effective strategy in tuning electronic energy levels, intermolecular interaction, and aggregation morphology of organic photovoltaic materials, which is very important for improving the power conversion efficiency (PCE) solar cells (OSCs). In this work, two D–A copolymers, PBQ5 PBQ6, are designed synthesized based on bithienyl‐benzodithiophene (BDTT) as donor (D) unit, difluoroquinoxaline (DFQ) with different side chains acceptor (A) thiophene...
Abstract Tandem organic solar cells are based on the device structure monolithically connecting two to broaden overall absorption spectrum and utilize photon energy more efficiently. Herein, we demonstrate a simple strategy of inserting double bond between central core end groups small molecule acceptor Y6 extend its conjugation length range. As result, new narrow bandgap BTPV-4F was synthesized with an optical 1.21 eV. The single-junction devices as achieved power conversion efficiency over...
Abstract Demonstrated in this work is a simple random ternary copolymerization strategy to synthesize series of polymer acceptors, PTPBT‐ET x , by polymerizing small‐molecule acceptor unit modified from Y6 with thiophene connecting and controlled amount an 3‐ethylesterthiophene (ET) unit. Compared PTPBT only Y6‐like units units, (where represents the molar ratio ET unit) incorporated copolymers show up‐shifted LUMO energy levels, increased electron mobilities, improved blend morphologies...
Two isomeric A–DA′D–A type SMAs o -TEH and m were designed synthesized, the PCE of OSC based on PBQ6: reached 18.51%.
Combining the high stability under UV light of wide bandgap (WBG) perovskite solar cells (pero-SCs) and broad near-infrared absorption spectra narrow (NBG) organic (OSCs), perovskite/organic tandem (TSCs) with WBG pero-SC as front cell NBG OSC rear have attracted attention . However, photovoltaic performance TSCs needs to be further improved. Herein, nonradiative charge recombination loss is reduced through bulk defect passivation in subcell broadening range cell. For pero-SCs, an cation...
The polymerized small-molecule acceptors have attracted great attention for application as polymer acceptor in all-polymer solar cells recently. modification of small molecule building block and the π-bridge linker is an effective strategy to improve photovoltaic performance acceptors. In this work, we synthesized a new PG-IT2F which representative PY-IT by replacing its upper linear alkyl side chains on with branched attaching difluorene substituents thiophene linker. Through synergistic...
High efficiency organic solar cells (OSCs) based on A-DA'D-A type small molecule acceptors (SMAs) were mostly fabricated by toxic halogenated solvent processing, and power conversion (PCE) of the non-halogenated processed OSCs is mainly restricted excessive aggregation SMAs. To address this issue, we developed two vinyl π-spacer linking-site isomerized giant (GMAs) with linking inner carbon (EV-i) or out (EV-o) benzene end group SMA longer alkyl side chains (ECOD) for capability...
Open AccessCCS ChemistryRESEARCH ARTICLE30 May 202218.55% Efficiency Polymer Solar Cells Based on a Small Molecule Acceptor with Alkylthienyl Outer Side Chains and Low-Cost Donor PTQ10 Xiaolei Kong, Jinyuan Zhang, Lei Meng, Chenkai Sun, Shucheng Qin, Can Zhu, Jianqi Jing Li, Zhixiang Wei Yongfang Li Kong Beijing National Laboratory for Molecular Sciences, CAS Key of Organic Solids, Institute Chemistry, Chinese Academy 100190 School Chemical Science, University 100049 , Zhang Meng...
High-performance all-polymer solar cells (all-PSCs) deeply rely on the joint contributions of desirable optical absorption, adaptive energy levels, and appropriate morphology. Herein, two structural analogous polymerized small-molecule acceptors (PSMAs), PYFCl-T PYF&PYCl-T, are synthesized, then incorporated into PM6:PY-IT binary blends to construct ternary all-PSCs. Due superior compatibility PY-IT PYFCl-T, all-PSC based PM6:PY-IT:PYFCl-T with 10 wt% presents higher more balanced charge...
A new A-DA′D-A structured narrow bandgap small molecular acceptor (SMA) Se46 was designed and synthesized by using benzoselenadiazole as the A′ unit branched 2-butyloctyl upper side chains in its DA′D central fused ring. It found that shows red-shifted absorption compared to of L8-BO with a benzothiadiazole an up-shifted lowest unoccupied orbital energy level Y6 linear n-C11H23 chains. The organic solar cells (OSCs) based on PM6:Se46 demonstrate high power conversion efficiency over 18%...
Series of giant molecule acceptors DY, TY and QY with two, three four small acceptor subunits are synthesized by a stepwise synthetic method used for systematically investigating the influence subunit numbers on structure-property relationship from YDT to polymerized PY-IT. Among these acceptors-based devices, TY-based film shows proper donor/acceptor phase separation, higher charge transfer state yield longer lifetime. Combining highest electron mobility, more efficient exciton dissociation...
Abstract Perovskite solar cell (pero‐SC) has attracted extensive studies as a promising photovoltaic technology, wherein the electron extraction and transfer exhibit pivotal effect to device performance. The planar SnO 2 transport layer (ETL) contributed recent record power conversion efficiency (PCE) of pero‐SCs, yet still suffers from surface defects nanoparticles which brings energy loss phase instability. Herein, we report localized oxidation embellishing (LOE) strategy by applying (NH 4...
The scattering of reinforcement plays a crucial role in the microstructure and properties metal matrix composites. In this study, an aluminum composite (AMC) was reinforced by 10 wt% TiO2 (Al-10TiO2), with average particle size submicron, combined different content graphitic carbon nitride (g-C3N4), which fabricated shift-speed ball milling (SSBM) multi-pass friction stir processing (FSP). addition to high hardness TiO2, g-C3N4 has functional groups promote situ reactions. SSBM improves...
This was the first multicenter, cross-sectional survey to assess prevalence of anemia, patient awareness, and treatment status in China. Data patients with chronic kidney disease (CKD; age, 18–75 years; both out- inpatients) from 25 hospitals Shanghai, seeking medical at nephrology department, were collected between July 1, 2012 August 31, 2012. The prevalence, anemia nondialysis CKD (ND-CKD) assessed. Anemia defined as serum hemoglobin (Hb) levels ·12 g/dL women ·13 men. A total 2420 ND-CKD...
Abstract Recently, a random ternary copolymerization strategy has become promising and efficient approach to develop high‐performance polymer donors for solar cells (PSCs). In this study, low‐cost electron‐withdrawing unit, 2,5‐bis(4‐(2‐ethylhexyl)thiophen‐2‐yl)pyrazine (PZ‐T), is incorporated into the backbone of PM6 as third component, three D‐A 1 ‐D‐A 2 type terpolymers PMZ‐10, PMZ‐20, PMZ‐30 are synthesized by strategy, with PZ‐T proportion 10%, 20%, 30%, respectively. The exhibit...
Abstract Continuous monitoring of intraocular pressure, particularly during sleep, remains a grand challenge in glaucoma care. Here we introduce class smart soft contact lenses, enabling the continuous 24-hour even sleep. Uniquely, lenses are built upon various commercial brands without altering their intrinsic properties such as lens power, biocompatibility, softness, transparency, wettability, oxygen transmissibility, and overnight wearability. We show that can seamlessly fit across...
Power conversion efficiency (PCE) of organic solar cells (OSCs) processed by nonhalogenated solvents is unsatisfactory due to the unfavorable morphology. Herein, two new small molecule acceptors (SMAs) Y6-Ph and L8-Ph are synthesized introducing a phenyl end group in inner side chains SMAs Y6 L8-BO, respectively, for overcoming excessive aggregation long-time film forming solvents. First, effect time on property photovoltaic performance Y6, Y6-Ph, studied using commonly used solvents:...
Abstract Achieving an ideal morphology to realize efficient charge generation and transport is imperative avenue improve the photovoltaic performance of all small‐molecule organic solar cells (SM‐OSCs). Here, ternary SM‐OSCs are fabricated based on a new small molecule donor, SM‐mB, alloyed blend acceptor Y6 its derivative, L8‐BO, desirable hierarchical with appropriate nanoscale phase separation successfully realized through adjusting thermal annealing treatment conditions compositions...
Abstract Side chain engineering plays a vital role in exploring high‐performance small molecule acceptors (SMAs) for organic solar cells (OSCs). In this work, we designed and synthesized series of A‐DA'D‐A type SMAs by introducing different N ‐substituted alkyl ester side chains on benzotriazole (BZ) central unit aimed to investigate the effect substitution positions photovoltaic performances. All new with groups exhibit lower lowest unoccupied molecular orbital (LUMO) energy levels more...