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| 1 | To inhibit coffee ring effect in inkjet printing of light-emitting polymer films by decreasing capillary force显示文摘Polymer thin film with uniform thickness and flat surface profile is the key point for polymer light emitting diodes(PLEDs) by inkjet printing. However, the coffee ring effect is usually observed due to the mismatch between the evaporation of the solvent and the decrease of solution volume, which promotes the formation of radial flow from the interior of the drop to the edge. In this paper, coffee ring effects of inkjet printed poly(spirobifluorene) films were proposed to be restrained by decreasing capillary force by adding co-solvent with high boiling point and high viscosity to the main solvent. The low evaporation rate of the co-solvent can reduce the driving force of the radial flow; meanwhile the high viscosity of the co-solvent can increase the resistance of the radial flow. Thus, polymer films with improve uniformity can be obtained due to the suppression of the radial flow. The device performance was greatly improved under the condition of proper film thickness and film uniformity and the maximum luminous efficiency of devices with inkjet printed poly(spirobifluorene) can reach 80% of the spin-coated devices. | Xinhong Yu Rubo Xing Zhongxiang Peng Yangming Lin Zhonghui Du Junqiao Ding Lixiang Wang Yanchun Han | 2019 | Chinese Chemical Letters2019，30，1： | 4 |
| 2 | Effect of dendron generation on properties of self-host heteroleptic green light-emitting iridium dendrimers显示文摘 | CHEN Lingcheng MA Zhihua DING Junqiao | 2012 | Organic Electronics2012，13，10： | 1 |
| 3 | Solution proeessible rediridium dendrimers based on oligocarbazole host dendrons : synthesis, properties and their applications in organ- ic light-emitting diodes 显示文摘 | Junqiao Ding Jianhong Lu Yanxiang Cheng | 2008 | Adv Funet Mater2008，，18： | 1 |
| 4 | Self‐Host Blue‐Emitting Iridium Dendrimer with Carbazole Dendrons: Nondoped Phosphorescent Organic Light‐Emitting Diodes<link href='#nss'/>显示文摘 | Debin Xia Bin Wang Bo Chen Shumeng Wang Baohua Zhang Junqiao Ding Lixiang Wang Xiabin Jing Fosong Wang | 2014 | Angew Chem Int Ed2014，，4： | 1 |
| 5 | Self-host yellow iridium dendrimers based on carbazole dendrons: synthesis, characterization and application in solution-processed organic light-emitting diodes显示文摘On the basis of different generation carbazole dendrons, a series of self-host yellow Ir dendrimers(Y-G0, Y-G1 and Y-G2)have been successfully synthesized and characterized in detail. It is found that the peripheral dendrons can effectively reduce the intermolecular interactions between emissive Ir cores, as verified by the increased photoluminescence quantum yields and film lifetimes. Among these dendrimers, Y-G2 bearing the second generation dendrons shows the best non-doped device performance,revealing a peak luminous efficiency of 20.2 cd/A. The value is nearly twice that of Y-G0 without any dendrons,which could be further improved to 32.1 cd/A by dispersing Y-G2 into a host matrix. We believe that this work will shed light on the development of highly efficient yellow phosphorescent dendrimers with a self-host strategy. | Bin Wang Shiyang Shao Junqiao Ding Lixiang Wang Xiabin Jing Fosong Wang | 2016 | Science China Chemistry2016，59，12： | 0 |
| 6 | π-Extension and chlorination of non-fullerene acceptors enable more readily processable and sustainable high-performance organic solar cells显示文摘Organic solar cells(OSCs)processed without halogenated solvents and complex treatments are essential for future commercialization.Herein,we report three novel small molecule acceptors(NFAs)consisting of a Y6-like core but withπ-extended naphthalene with progressively more chlorinated end-capping groups and a longer branched chain on the Nitrogen atom.These NFAs exhibit good solubilities in nonchlorinated organic solvents,broad optical absorptions,closeπ-πstacking distances(3.63–3.84A),and high electron mobilities(~10^(-3)cm^(2)V^(-1)s^(-1)).The o-xylene processed and as-cast binary devices using PM6 as the donor polymer exhibit a PCE increasing upon progressive chlorination of the naphthalene end-capping group from 8.93%for YN to 14.38%for YN-Cl to 15.00%for YN-2Cl.Furthermore similarly processed ternary OSCs were fabricated by employing YN-Cl and YN-2Cl as the third component of PM6:CH1007 blends(PCE=15.75%).Compared to all binary devices,the ternary PM6:CH1007:YN-Cl(1:1:0.2)and PM6:CH1007:YN-2Cl(1:1:0.2)cells exhibit significantly improved PCEs of 16.49%and15.88%,respectively,which are among the highest values reported to date for non-halogenated solvent processed OSCs without using any additives and blend post-deposition treatments. | Ning Su Jianhua Chen Mengran Peng Guoping Li Robert M.Pankow Ding Zheng Junqiao Ding Antonio Facchetti Tobin J.Marks | 2023 | Journal of Energy Chemistry2023，，4： | 0 |
| 7 | Stretchable organic electrochemical transistors with micro-/nano-structures显示文摘Organic electrochemical transistors(OECTs)have attracted attention due to their unique function of converting ionic and biological signals into electronic signals,high transconductance,low energy consumption(below 1 V),stable operation in aqueous media,good biocompatibility[1,2].However,most OECTs are usually built on brittle and stiff substrates,and inappropriate to be adhered to or contacted with delicate human skin,thus impeding their use in wearable electronics.It is desirable to exploit stretchable OECTs to reduce the mechanical mismatch with soft tissues. | Jianhua Chen Yiming Sun Jie Sun Junqiao Ding Liming Ding | 2023 | Journal of Semiconductors2023，44，12： | 0 |
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