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| 1 | Reducing Energy Loss and Morphology Optimization Manipulated by Molecular Geometry Engineering for Hetero-junction Organic Solar Cells显示文摘of main observation and conclusion Molecular geometry engineering is an efective strategy to control the micromorphology and molecularenergy level in organic photovoltaics(OPVs).Two novel copolymers based on alkysilyl-and chloride-functionalied benzodithiophene(BDT)were designed and synthesized for wide bandgap copolymer donor materials in OPVs.It was found that the two copolymers exhited distinctly different proper-ties in active layer when blended with fulerene-fre acceptor T-4.The chloride-functionalited copolymer PBDTCI-TZ2 with deeper molecular energy leveland better coplanar structure induced more ordered aggregation in blend flm.Thus,the device based on PBDTC-TZ exhibits better energy alinmentwith IT-4F and smallr radiative recombination.furthermore,the non-radiative recombination of PBDTCI-TZ.T-4F based device is about 45 mV lowerthan the PBDTS-TZ/T-4F based device,contributing to a lower enery loss(Ein,and a higher open-cicut voltage(Vc).As a resut,the devices based onthe blend of PBDTC-TZ2.IT-4F exhibit a high power conversion efficiency(PCE)of up to 12.2%with a high Vvoe of 0.837 Vv,higher than that of PBDTSi-TZ:IT-4F,of which the PCE is 11.2%with a Voc of 0.781V. | Guodong Xu Huan Rao Xunfan Liao Youdi Zhang Yuming Wang Zhi Xing Ting Hu Licheng Tan Lie Chen Yiwang Chen | 2020 | Chinese Journal of Chemistry2020，38，12： | 4 |
| 2 | A non-wetting and conductive polyethylene dioxothiophene hole transport layer for scalable and flexible perovskite solar cells显示文摘The regulated crystallization of perovskite and highly repeatable preparation are decisive challenges for large-scale flexible perovskite solar cells(PSCs).Herein,we synthesize an oil-soluble poly(3,4-ethylenedioxythiophene)(Oil-PEDOT)as a hole transport layer(HTL).The non-wetting Oil-PEDOT HTL can promote the quality of large-area flexible perovskite films because of its optimized crystallinity and printability.The Oil-PEDOT layer also delivers desirable conductivity and charge transport without a complex doping.Consequently,the flexible PSCs with Oil-PEDOT HTL achieve an efficiency of 19.51%and 16.70%based on 1.05 and 22.50 cm^(2),respectively.Moreover,these large-scale flexible PSCs demonstrate remarkable mechanical robustness,and the efficiency exhibits 93%retention after 7,000 bending cycles.These results show that the Oil-PEDOT is a potentially efficient HTL for fabricating efficient large-scale flexible PSCs. | Chenxiang Gong Lin Zhang Xiangchuan Meng Zhi Xing Li Rao Hongyu Wang Zengqi Huang Licheng Tan Ting Hu Xiaotian Hu Yiwang Chen | 2021 | Science China Chemistry2021，64，5： | 1 |
| 3 | Effects of rolling on characteristics of single-phase water flow in narrow rectangular ducts显示文摘 | XING Dianchuan YAN Changqi SUN Licheng | 2012 | Nuclear Engineering Design2012，247，： | 1 |
| 4 | Effects of rolling on characteristics of sin-gle-phase water flow in narrow rectangular ducts显示文摘 | XING Dianchuan YAN Changqi SUN Licheng? | 2012 | Nucl Eng Des2012，247，： | 1 |
| 5 | Milk-derived exosomes as a promising vehicle for oral delivery of hydrophilic biomacromolecule drugs显示文摘Exosomes,as promising vehicles,have been widely used in the research of oral drug delivery,but the generally low drug loading efficiency of exosomes seriously limits its application and transformation.In this study,we systematically investigated the effects of drug loading methods and physicochemical properties(lipophilicity and molecular weight)on drug loading efficiency of milk-derived exosomes to explore the most appropriate loading conditions.Our finding revealed that the drug loading efficiency of exosomes was closely related to the drug loading method,drug lipophilicity,drug molecular weight and exosome/drug proportions.Of note,we demonstrated the universality that hydrophilic biomacromolecule drugs were the most appropriate loading drugs for milk-derived exosomes,which was attributed to the efficient loading capacity and sustained release behavior.Furthermore,milk-derived exosomes could significantly improve the transepithelial transport and oral bioavailability of model hydrophilic biomacromolecule drugs(octreotide,exendin-4 and salmon calcitonin).Collectively,our results suggested that the encapsulation of hydrophilic biomacromolecule drugs might be the most promising direction for milk exosomes as oral drug delivery vehicles. | Yuting Li Liyun Xing Lingling Wang Xi Liu Licheng Wu Mingjie Ni Zhou Zhou Lian Li Xiuxiu Liu Yuan Huang | 2023 | Asian Journal of Pharmaceutical Sciences2023，18，2： | 1 |
| 6 | Study on Influence of Initial Rolling Temperature for Rolling Process Based on Numerical Simulation显示文摘Wire rolling is a typical large deformation process and its principle is very complex,which includes material non- linearity,geometry non-linearity and boundary non-linearity.It is difficult to obtain theory analytical results by trying to roll or physical experiment because they will induce many problems such as high cost,waste time and venture.With the rapid advance- ment of computing technology and numerical method,the finite element method is regarded as the best one,which can account for the large plastic deformation,thermo-mechanical coupling and complex boundary conditions of the rollers and the workpiece inter- actions in the rolling process.Under the different initial rolling temperature,the two-pass hot continuous rolling process of high- speed wire has been simulated accurately for the pre-finishing rolling section.The metal fluxion law and the deformation field have been obtained.Strain,temperature,rolling force and torque also have been simulated and discussed.The results of simulation are useful for practical manufacture and the optimization of process-parameters. | YANG Licheng LIU Bo XING Sufang ZHANG Runli (School of Mechanical Engineering,Hebei University of Technology,Tianjin 300130,China | 2006 | 武汉理工大学学报2006，28，S2： | 0 |
| 7 | BP neural network model for material distribution prediction based on variable amplitude anti-blocking screening DEM simulations显示文摘The material feeding changing of combine harvester is easy to cause accumulation and blockage of the vibrating screen,which seriously affects the harvest operation.In order to alleviate such accumulation and blockages on the vibrating screen surface,the guide chute rotation angle of the improved variable amplitude screening mechanism was selected as the target variable,and EDEM-RecurDyn was employed to simulate the anti-blocking process of the variable amplitude under a changing feeding quantity(0.5 kg/s abnormal,0.2 kg/s normal)of materials(rice grain and stem mixture).A BP(an error back propagation algorithm)neural network was designed and the prediction model of the material distribution was subsequently constructed on the variable screening surface under different chute angles during abnormal feeding.The results revealed a continuous decrease in the quality and time of the material blockage at the front end of the screen surface with the increasing guide chute angle.At the guide chute angle of 20°-45°and adjustment time of 3-6 s,the blocked and accumulated materials at the front-end screen surface was be moved back to Grid 6 for screening.However,overtime,the screen surface materials continued to move back under the chute angle of 40°-45°,which had a great impact on the screening performance.At the guide chute angle of 30°-35°and adjustment time of 4 s,the materials on the screen surface were evenly distributed in Grid 1-6.This was able to alleviate the accumulation and blockage of the screen surface materials.The R of the material distribution prediction model(BP neural network)on the screen surface was determined as 0.97,indicating the high reliability and accuracy of the material distribution model on the screen surface based on the BP neural network.This work provides an important reference for the variable amplitude intelligent control of screen surface material anti-blocking. | Zheng Ma Yongle Zhu Zhiping Wu Souleymane Nfamoussa Traore Du Chen Licheng Xing | 2023 | International Journal of Agricultural and Biological Engineering2023，16，4： | 0 |
| 8 | Assessment of soil total phosphorus storage in a complex topography along China's southeast coast based on multiple mapping scales显示文摘Soil phosphorus (P) plays a vital role in both ecological and agricultural ecosystems, where total P (TP) in soil serves as a crucial indicator of soil fertility and quality. Most of the studies covered in the literature employ a single or narrow range of soil databases, which largely overlooks the impact of utilizing multiple mapping scales in estimating soil TP, especially in hilly topographies. In this study, Fujian Province, a subtropical hilly region along China’s southeast coast covered by a complex topographic environment, was taken as a case study. The influence of the mapping scale on soil TP storage (TPS)estimation was analyzed using six digital soil databases that were derived from 3 082 unique soil profiles at different mapping scales, i.e., 1:50 000 (S5),1:200 000 (S20), 1:500 000 (S50), 1:1 000 000 (S100), 1:4 000 000 (S400), and 1:10 000 000 (S1000). The regional TPS in the surface soil (0–20 cm) based on the S5, S20, S50, S100, S400, and S1000 soil maps was 20.72, 22.17, 23.06, 23.05, 22.04, and 23.48 Tg, respectively, and the corresponding TPS at0–100 cm soil depth was 80.98, 80.71, 85.00, 84.03, 82.96, and 86.72 Tg, respectively. By comparing soil TPS in the S20 to S1000 maps to that in the S5map, the relative deviations were 6.37%–13.32%for 0–20 cm and 0.33%–7.09%for 0–100 cm. Moreover, since the S20 map had the lowest relative deviation among different mapping scales as compared to S5, it could provide additional soil information and a richer soil environment than other smaller mapping scales. Our results also revealed that many uncertainties in soil TPS estimation originated from the lack of detailed soil information, i.e., representation and spatial variations among different soil types. From the time and labor perspectives, our work provides useful guidelines to identify the appropriate mapping scale for estimating regional soil TPS in areas like Fujian Province in subtropical China or other places with similar complex topographies. Moreover, it is of tremendous importance to accurately estimate soil TPS to ensure ecosystem stability and sustainable agricultural development, especially for regional decision-making and management of phosphate fertilizer application amounts. | Zhongxing CHEN Jing LI Kai HUANG Miaomiao WEN Qianlai ZHUANG Licheng LIU Peng ZHU Zhenong JIN Shihe XING Liming ZHANG | 2024 | Pedosphere2024，34，1： | 0 |
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