Search results for: Shurong Wang

Items from 1 to 20 out of 206 results

article

Defect Compensation and Lattice Stabilization Enables High Voltage Output in Tin Halide Perovskite Solar Cells

Shurong Wang, Cheng Wu, Huanhuan Yao, Lisha Xie, more

Small > 20 > 13 > n/a - n/a

Tin halide perovskite solar cells (PSCs) are regarded as the most promising lead‐free alternatives for photovoltaic applications. However, they still suffer from uncompetitive photovoltaic performance because of the facile Sn²⁺ oxidation and Sn‐related defects. Herein, a defect and carrier management strategy by using diaminopyridine (DP) and 4‐bromo‐2,6‐diaminopyridine (4BrDP) as multifunctional...

article

Stabilization of Perovskite Lattice and Suppression of Sn²⁺/Sn⁴⁺ Oxidation via Formamidine Acetate for High Efficiency Tin Perovskite Solar Cells

Shurong Wang, Huanhuan Yao, Weike Zhu, Cheng Wu, more

Advanced Functional Materials > 33 > 17 > n/a - n/a

Tin halide lead‐free perovskite solar cells (TPSCs) have received tremendous research interest recently due to their nearly ideal bandgap, broad light absorption, non‐toxicity, and environmental friendliness. However, the uncontrollable crystallization process and the facile oxidation of Sn²⁺ limit the further increase of power conversion efficiency (PCE). To solve these problems, a series of acetates...

article

Direct Visualization of Nanoconfinement Effect on Nanoreactor via Electrochemiluminescence Microscopy

Xuedong Huang, Binxiao Li, Yanwei Lu, Yixin Liu, more

Angewandte Chemie > 135 > 6 > n/a - n/a

Nanoconfinement in mesoporous nanoarchitectures could dramatically change molecular transport and reaction kinetics during electrochemical process. A molecular‐level understanding of nanoconfinement and mass transport is critical for the applications, but a proper route to study it is lacking. Herein, we develop a single nanoreactor electrochemiluminescence (SNECL) microscopy based on Ru(bpy)₃²⁺‐loaded...

article

Direct Visualization of Nanoconfinement Effect on Nanoreactor via Electrochemiluminescence Microscopy

Xuedong Huang, Binxiao Li, Yanwei Lu, Yixin Liu, more

Angewandte Chemie International Edition > 62 > 6 > n/a - n/a

article

Ion Migration in Organic–Inorganic Hybrid Perovskite Solar Cells: Current Understanding and Perspectives

Weike Zhu, Shurong Wang, Xin Zhang, Aili Wang, more

Small > 18 > 15 > n/a - n/a

Organic–inorganic hybrid perovskite (OIHPs) solar cells are the most promising alternatives to traditional silicon solar cells, with a certified power conversion efficiency beyond 25%. However, the poor stability of OHIPs is one of the thorniest obstacles that hinder its commercial development. Among all the factors affecting stability, ion migration is prominent because it is unavoidable and intrinsic...

article

The Voltage Loss in Tin Halide Perovskite Solar Cells: Origins and Perspectives

Xin Zhang, Shurong Wang, Weike Zhu, Zhiyuan Cao, more

Advanced Functional Materials > 32 > 8 > n/a - n/a

Exploring stable and efficient lead‐free perovskite solar cells (PSCs) is critical to solving the environmental concerns caused by lead. Recently, tin halide perovskites (THPs) have become a promising candidate due to its low toxicity and similar electronic configuration to lead counterparts. Currently, the power conversion efficiency of tin‐based PSCs (TPSCs) has been pushed over 14%. However, there...

article

Engineering Solid Electrolyte Interface at Nano‐Scale for High‐Performance Hard Carbon in Sodium‐Ion Batteries

Mengying Ma, Haoran Cai, Chenlu Xu, Renzhi Huang, more

Advanced Functional Materials > 31 > 25 > n/a - n/a

Engineering the structure and chemistry of solid electrolyte interface (SEI) on electrode materials is crucial for rechargeable batteries. Using hard carbon (HC) as a platform material, a correlation between Na⁺ storage performance, and the properties of SEI is comprehensively explored. It is found that a “good” SEI layer on HC may not be directly associated with certain kinds of SEI components, such...

article

Regulation of matrix metalloproteinases 2 and 9 in corneal neovascularization

Jiahao Zhang, Shurong Wang, Yuxi He, Boyuan Yao, more

Chemical Biology & Drug Design > 95 > 5 > 485 - 492

Corneal neovascularization (CNV), a pathological process of angiogenesis, can lead to serious consequences in the cornea. CNV is generally proved to associate with inflammation in the cornea closely, which is mainly elicited by the disruption of equilibrium between angiogenic and antiangiogenic factors. Angiogenic factors including vascular endothelial growth factors (VEGFs), basic fibroblast growth...

article

Spreading Shape and Area Regulate the Osteogenesis of Mesenchymal Stem Cells

Yang Zhao, Qing Sun, Shurong Wang, Bo Huo

Tissue Engineering and Regenerative Medicine > 2019 > 16 > 6 > 573-583

Background: Mesenchymal stem cells (MSCs) have strong self-renewal ability and multiple differentiation potential. Some studies confirmed that spreading shape and area of single MSCs influence cell differentiation, but few studies focused on the effect of the circularity of cell shape on the osteogenic differentiation of MSCs with a confined area during osteogenic process. Methods: In the present...

article

The impact of different Ag/(Ag + Cu) ratios on the properties of (Cu_1−xAg_x)₂ZnSnS₄ thin films

Shuai Yang, Shurong Wang, Hua Liao, Xin Xu, more

Journal of Materials Science: Materials in Electronics > 2019 > 30 > 12 > 11171- 11180

In this work, the effects of 0%, 3%, 6% and 10% Ag doped on the properties of Cu₂ZnSnS₄ (CZTS) thin films and solar cells are investigated by sputtering different Ag intermediate layer on Mo-coated soda lime glass substrate. The result shows that the partial substitution of Ag with Cu for (Cu_1−xAg_x)₂ZTS₄ (CAZTS) thin films not only can obtain the uniform and compact grains with larger size, but also...

article

Improvement of aromatics production from catalytic pyrolysis of cellulose over metal-modified hierarchical HZSM-5

Gongxin Dai, Shurong Wang, Qun Zou, Shuqiong Huang

Fuel Processing Technology > 2018 > 179 > C > 319-323

Metal modification on hierarchical HZSM-5 produced by alkaline desilication was adopted to improve aromatics production from catalytic pyrolysis of cellulose. The influence of alkali concentration in the desilication on catalytic performance of zeolites was first studied. Mild alkaline treatment preserved the micropore structure and acid sites of zeolites when introducing mesopores, while further...

article

Improved catalytic upgrading of simulated bio-oil via mild hydrogenation over bimetallic catalysts

Junhao Chen, Shurong Wang, Liang Lu, Xing Zhang, more

Fuel Processing Technology > 2018 > 179 > C > 135-142

The bio-oil, produced via fast pyrolysis of biomass, can be used as substitute for transportation fuels after its subsequent upgrading. However, conventional upgrading of bio-oil faces serious problems of rapid catalyst deactivation and low conversion efficiency, due to the high unsaturation degree of bio-oil. In this study, the mild hydrogenation of simulated bio-oil over monometallic catalysts (Pd...

article

Optimization of sulfurization time for properties of Cu₂ZnSnS₄ films and cells by sputtering method

Xin Xu, Shurong Wang, Xun Ma, Shuai Yang, more

Journal of Materials Science: Materials in Electronics > 2018 > 29 > 22 > 19137- 19146

Cu₂ZnSnS₄ (CZTS) thin films have been fabricated by sputtering ZnS/Sn/CuS and following the sulfurization process. In order to study the optimal sulfurization process, the effects of sulfurization time on the quality of CZTS thin films and solar cells are investigated. The sulfurization process was carried out at 580 °C for 10, 20, 30, 40 and 50 min respectively with a ramp rate of 45 °C min⁻¹ in...

article

Comparative study of AZO and ITO thin film sputtered at different temperatures and their application in Cu₂ZnSnS₄ solar cells

Yilei Lu, Shurong Wang, Min Yang, Xin Xu, more

Journal of Materials Science: Materials in Electronics > 2018 > 29 > 20 > 17525- 17532

Indium tin oxide (ITO) and Al-doped ZnO (AZO) are the most common materials for transparent conducting films used as a front contact layer on solar cells. In this study, AZO and ITO thin films were deposited by sputtering under different temperatures in order to study the difference between two kinds of thin films in crystal structure, morphology, optical and electrical properties. In the same time,...

article

Comparison of the thermal degradation behaviors and kinetics of palm oil waste under nitrogen and air atmosphere in TGA-FTIR with a complementary use of model-free and model-fitting approaches

Zhongqing Ma, Junhao Wang, Youyou Yang, Yu Zhang, more

Journal of Analytical and Applied Pyrolysis > 2018 > 134 > C > 12-24

Palm oil waste from palm oil industry is a promising biomass resource for bio-fuels and bio-chemicals production by biomass thermochemical conversion technology. In this paper, thermogravimetric analyzer coupled with fourier transform infrared spectrometry (TGA-FTIR) were used to investigate the difference of the thermal degradation behaviors and kinetics of palm kernel shell under nitrogen and air...

article

A selective and colorimetric chemosensor for fluoride based on dimeric azulene boronate ester

Hao Fang, Yitao Gan, Shurong Wang, Tao Tao

Inorganic Chemistry Communications > 2018 > 95 > C > 17-21

The dimeric azulene boronate ester 1 was designed and synthesized as a potential chemosensor for fluoride ion. UV–Vis titration analysis shows that with the enhancement of fluoride equivalents, the absorption peaks have been decreasing at 408 and 434 nm, while the peak at 370 nm has been increasing remarkably. Job's plot proves that the formation of a 1:2 [1·2F]²⁻ species is responsible for the observed...

article

Enhancement of aromatics production from catalytic pyrolysis of biomass over HZSM-5 modified by chemical liquid deposition

Gongxin Dai, Shurong Wang, Shuqiong Huang, Qun Zou

Journal of Analytical and Applied Pyrolysis > 2018 > 134 > C > 439-445

The catalytic pyrolysis of biomass is a promising technology for producing high-quality fuels and value-added chemicals. However, the development of this technology has been hindered by high coke formation and low target product yield. In this study, chemical liquid deposition (CLD) was adopted to improve the catalytic performance of HZSM-5 in the catalytic pyrolysis of biomass. The changes of the...

article

STIM1 and TRPV4 regulate fluid flow-induced calcium oscillation at early and late stages of osteoclast differentiation

Ping Li, Xueyan Bian, Chenglin Liu, Shurong Wang, more

Cell Calcium > 2018 > 71 > C > 45-52

Bone resorption is mainly mediated by osteoclasts (OCs), whose formation and function are regulated by intracellular Ca²⁺ oscillation. Our previous studies demonstrated that fluid shear stress (FSS) lead to Ca²⁺ oscillation through mechanosensitive cation-selective channels. However, the specific channels responsible for this FSS-induced Ca²⁺ oscillation remain unknown. In the present study, we examined...

article

Effect of Ni Precipitation Method on CO Methanation over Ni/TiO₂ Catalysts

Shi Yin, Lingjun Zhu, Yincong Liu, Xiaoliu Wang, more

Chemical Research in Chinese Universities > 2018 > 34 > 2 > 296-301

A Ni/TiO₂(TBT) catalyst was prepared through in situ precipitation, using tetrabutyl titanate(TBT) as the TiO₂ precursor, and was studied in CO methanation. A Ni catalyst supported on commercial TiO₂ was also prepared through post precipitation and studied to compare the influence of Ni precipitation conditions on the catalyst’s performance. To gain insight on their structure and physicochemical properties,...

article

The limits of academic entrepreneurship: Conflicting expectations about commercialization and innovation in China’s nascent sector for advanced bio-energy technologies

Jorrit Gosens, Hans Hellsmark, Tomas Kåberger, Li Liu, more

Energy Research & Social Science > 2018 > 37 > C > 1-11

Despite many years of substantial government research funding, advanced bio-energy technologies in China have seen limited commercial application. Chinese policy makers are increasingly critical of academic organizations for neglecting their role in the transfer of scientific results into industrial applications. We interviewed a selection of Chinese research groups working on bio-energy technologies,...

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INFONA - science communication portal

Search results for: Shurong Wang

Defect Compensation and Lattice Stabilization Enables High Voltage Output in Tin Halide Perovskite Solar Cells

Stabilization of Perovskite Lattice and Suppression of Sn²⁺/Sn⁴⁺ Oxidation via Formamidine Acetate for High Efficiency Tin Perovskite Solar Cells

Direct Visualization of Nanoconfinement Effect on Nanoreactor via Electrochemiluminescence Microscopy

Direct Visualization of Nanoconfinement Effect on Nanoreactor via Electrochemiluminescence Microscopy

Ion Migration in Organic–Inorganic Hybrid Perovskite Solar Cells: Current Understanding and Perspectives

The Voltage Loss in Tin Halide Perovskite Solar Cells: Origins and Perspectives

Engineering Solid Electrolyte Interface at Nano‐Scale for High‐Performance Hard Carbon in Sodium‐Ion Batteries

Regulation of matrix metalloproteinases 2 and 9 in corneal neovascularization

Spreading Shape and Area Regulate the Osteogenesis of Mesenchymal Stem Cells

The impact of different Ag/(Ag + Cu) ratios on the properties of (Cu_1−xAg_x)₂ZnSnS₄ thin films

Improvement of aromatics production from catalytic pyrolysis of cellulose over metal-modified hierarchical HZSM-5

Improved catalytic upgrading of simulated bio-oil via mild hydrogenation over bimetallic catalysts

Optimization of sulfurization time for properties of Cu₂ZnSnS₄ films and cells by sputtering method

Comparative study of AZO and ITO thin film sputtered at different temperatures and their application in Cu₂ZnSnS₄ solar cells

Comparison of the thermal degradation behaviors and kinetics of palm oil waste under nitrogen and air atmosphere in TGA-FTIR with a complementary use of model-free and model-fitting approaches

A selective and colorimetric chemosensor for fluoride based on dimeric azulene boronate ester

Enhancement of aromatics production from catalytic pyrolysis of biomass over HZSM-5 modified by chemical liquid deposition

STIM1 and TRPV4 regulate fluid flow-induced calcium oscillation at early and late stages of osteoclast differentiation

Effect of Ni Precipitation Method on CO Methanation over Ni/TiO₂ Catalysts

The limits of academic entrepreneurship: Conflicting expectations about commercialization and innovation in China’s nascent sector for advanced bio-energy technologies

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