A5100724537- Organic Electronics and Photovoltaics
- Conducting polymers and applications
- Perovskite Materials and Applications
- Molecular Junctions and Nanostructures
- Covalent Organic Framework Applications
- Advanced Condensed Matter Physics
- Advanced Memory and Neural Computing
- Semiconductor materials and interfaces
- Semiconductor materials and devices
- Quantum-Dot Cellular Automata
- Silicon and Solar Cell Technologies
- Liquid Crystal Research Advancements
- Optimism, Hope, and Well-being
- Quantum Dots Synthesis And Properties
- Force Microscopy Techniques and Applications
- Fullerene Chemistry and Applications
- Nanowire Synthesis and Applications
- Synthesis and Catalytic Reactions
- Additive Manufacturing and 3D Printing Technologies
- Multiferroics and related materials
- Polymer crystallization and properties
- Magnetic and transport properties of perovskites and related materials
- Evaluation Methods in Various Fields
- Synthetic Organic Chemistry Methods
- Evaluation and Optimization Models
Hangzhou Seventh Peoples Hospital
2025
Zhejiang University
2025
Zhejiang Lab
2025
Lanzhou University
2020-2025
State Key Laboratory of Applied Organic Chemistry
2020-2025
Lanzhou University Second Hospital
2023
Lanzhou City University
2021
Nankai University
2015-2019
Collaborative Innovation Center of Chemical Science and Engineering Tianjin
2015-2018
Academy of Arts
2018
Although organic photovoltaic (OPV) cells have many advantages, their performance still lags far behind that of other platforms. A fundamental reason for low is the charge mobility materials, leading to a limit on active-layer thickness and efficient light absorption. In this work, guided by semi-empirical model analysis using tandem cell strategy overcome such issues, taking advantage high diversity easily tunable band structure record certified 17.29% power conversion efficiency...
Abstract Organic solar cell optimization requires careful balancing of current–voltage output the materials system. Here, such using ultrafast spectroscopy as a tool to optimize material bandgap without altering photophysics is reported. A new acceptor–donor–acceptor (A–D–A)‐type small‐molecule acceptor NCBDT designed by modification D and units NFBDT. Compared NFBDT, exhibits upshifted highest occupied molecular orbital (HOMO) energy level mainly due additional octyl on unit downshifted...
Abstract Fabricating solar cells with tandem structure is an efficient way to broaden the photon response range without further increasing thermalization loss in system. In this work, a organic cell (TOSC) based on highly nonfullerene acceptors (NFAs) series connection type demonstrated. To meet different demands of front and rear sub‐cells, two NFAs named F‐M NOBDT whole absorption from 300 900 nm are designed, when blended wide bandgap polymer...
Abstract Three acceptor–donor–acceptor type nonfullerene acceptors (NFAs), namely, F–F, F–Cl, and F–Br, are designed synthesized through a halogenation strategy on one successful acceptor FDICTF (F–H). The three molecules show red‐shifted absorptions, increased crystallinities, higher charge mobilities compared with the F–H. After blending donor polymer PBDB‐T, F–F‐, F–Cl‐, F–Br‐based devices exhibit power conversion efficiencies (PCEs) of 10.85%, 11.47%, 12.05%, respectively, which than...
A series of solvents with different solubilities for DR3TBDTT and PC71 BM, boiling points, is used solvent vapor annealing (SVA) treatment to systematically investigate the solvent-morphology-performance relationship. The presence molecules inside bulk-heterojunction (BHJ) thin films promotes mobility both donor acceptor molecules, leading crystallization aggregation, which are important in modulating morphology.
Abstract A new acceptor–donor–acceptor (A–D–A) type nonfullerene acceptor, 3TT‐FIC , which has three fused thieno[3,2‐b]thiophene as the central core and difluoro substituted indanone end groups, is designed synthesized. exhibits broad strong absorption with extended onset to 995 nm a low optical bandgap of 1.25 eV. The binary device based on polymer PTB7‐Th power conversion efficiency (PCE) 12.21% high short circuit current density ( J sc ) 25.89 mA cm −2 . To fine‐tune morphology make full...
Magnetic molecular materials with a chiral configuration are attractive candidates for sensing, information storage, and spintronics. Herein, we report the first example of two-dimensional hybrid perovskite ferromagnets, (R-MPEA)2CuCl4 (S-MPEA)2CuCl4. These two compounds exhibit strong oppositely signed circular dichroism signals clear ferromagnetic behaviors. measurements revealed high saturation magnetization up to 12.5 emu g–1. The coexistence chirality ferromagnetism enabled successful...
A small molecule named DICTF was synthesized and an organic solar cell based on PTB7-Th:DICTF exhibited a high PCE of 7.93%.
Abstract Two new nonfullerene small molecule acceptors (NF‐SMAs) AT‐NC and AT‐4Cl based on heptacyclic anthracene(cyclopentadithiophene) (AT) core different electron‐withdrawing end groups are designed synthesized. Although the two acceptor molecules use groups, naphthyl‐fused indanone (NINCN) chlorinated INCN (INCN‐2Cl) demonstrate similar light absorption. with as shifted significantly due to strong ability of chlorine atoms. Thus, desirable V oc photovoltaic performance expected be...
Abstract In most cases, to obtain high‐performance electrode materials for lithium‐ion batteries (LIBs), it is necessary optimize both their molecular structure and morphology. Normally, the of covalent organic frameworks (COFs) can be well engineered by chemical design, while morphology mainly optimized post‐processing. Herein, introducing a flexible building unit containing sp 3 N redox‐active centers, bipolar‐type TP‐TA COF assembled uniform 2D hexagonal nanosheets synthesized in one‐step...
Abstract It is a great challenge to simultaneously improve the two tangled parameters, open circuit voltage ( V oc ) and short current density J sc for organic solar cells (OSCs). Herein, such addressed by synergistic approach using fine‐tuning molecular backbone morphology control simple yet effective side chain modulation on of an acceptor–donor–acceptor (A–D–A)‐type acceptor. With this, terthieno[3,2‐b]thiophene (3TT) based A–D–A‐type acceptors, 3TT‐OCIC with 3TT‐CIC without modification,...
Abstract Developing efficient organic solar cells (OSCs) with relatively thick active layer compatible the roll to large area printing process is an inevitable requirement for commercialization of this field. However, typical laboratory OSCs generally exhibit layers optimized thickness around 100 nm and very low tolerance, which cannot be suitable process. In work, high performance thick‐film employing a nonfullerene acceptor F–2Cl polymer donor PM6 demonstrated. High power conversion...
The use of solid additives in organic solar cells has drawn great attention owing to its morphology-tuning ability. Here we review both and inorganic additives, which could provide useful guidance for the design additives.
Efficient cathode interfacial layers (CILs) are becoming essential elements for organic solar cells (OSCs). However, the absorption of commonly used materials (CIMs) is either too weak or overlaps much with that photoactive materials, hindering their contribution to light absorption. In this work, we demonstrate construction highly efficient CIMs based on 2,7-di-tert-butyl-4,5,9,10-pyrene diimide (t-PyDI) framework. By introducing amino, amino N-oxide and quaternary ammonium bromide as...
Abstract The tandem structure is an efficient way to simultaneously tackle absorption and thermalization losses of the single junction solar cells. In this work, a high‐performance organic cell (OSC) using two subcells with same donor poly[(2,6‐(4,8‐bis(5‐(2‐ethylhexyl)thiophen‐2‐yl)‐benzo[1,2‐b:4,5‐b′]dithiophene))‐ alt ‐(5,5‐(1′,3′‐di‐2‐thienyl‐5′,7′‐bis(2‐ethylhexyl)benzo[1′,2′‐c:4′,5′‐c′]dithiophene‐4,8‐dione))] (PBDB‐T) acceptors, F‐M 2,9‐bis(2‐methylene‐(3(1,1‐dicyanomethylene)benz[f...
Abstract Developing high‐quality electret layer is important for the fabrication of high‐performance nonvolatile organic field effect transistor memory devices (OFET‐NVMs). In this work, three representative aromatic diimide frameworks are employed comparative studies as n‐type doping materials layers in OFET‐NVMs, which naphthalene (NDI), perylene (PDI), and pyrene (PyDI). When blended with polystyrene (PS) to prepare layers, all containing dopants exhibited significantly improved...
With a cyclic “belt”, non-fused ring acceptor CSO4TIC shows more desirable performance compared to its counterpart with conventional linear side chains.
Abstract Fully non‐fused ring acceptor (FNFRA) are potentially important for boosting the performance and lowering material costs of organic solar cells (OSCs). Despite their potential, FNFRA‐based OSCs have not yet matched fused partial counterparts due to limited molecular engineering research. In this work, by incorporating a synergistic strategy tailoring β ‐side chain end‐group FNFRA with cyclic “belt” simultaneously, named C6FT‐2F2Cl is constructed. Compared other symmetric FNFRAs,...
Abstract Background Population-level preventive interventions are urgently needed and may be effective for psychosis due to social determinants. We tested three syndemic models along pathways from childhood adversity (CA) psychotic spectrum disorder (PSD) their implications prevention. Methods Cross-sectional data 7461 British men surveyed in 5 population subgroups. interactions on both additive multiplicative scales a of violence/criminality (VC), sexual behavior (SH), substance misuse (SM)...
Organic phototransistors (OPTs) have garnered significant attention due to their potential in wearable and flexible electronics. However, achieving high carrier mobility broadband response organic semiconductors for OPTs remains a challenge. In this work, new fused diketopyrrolopyrrole (FDPP) derivative is reported, 2,9-bis(4-hexylphenyl)-7H,14H-thieno[3',2':7,8]indolizino[2,1-a]thieno[3,2-g]indolizine-7,14-dione (FDPP-p-C6), synthesized through N-cyclization of DPP with an adjacent...
Abstract Ferromagnetic semiconductors (FMS) enable simultaneous control of both charge and spin transport carriers, they have emerged as a class highly desirable but rare materials for applications in field‐effect transistors quantum computing. Organic–inorganic hybrid perovskites with high compositional adjustability structural versatility can offer unique benefits the design FMS has not been fully explored. Here, series molecular FMSs based on 2D organic–inorganic perovskite structure,...