Skip to main content
main-content

Journal of Materials Science OnlineFirst articles

17.06.2021 | Energy materials

Ni-Zn supported defective carbon with multi-functional catalytic sites for Baeyer–Villiger reaction using air as oxidant

Plastic is the indispensable part of modern society because of its versatility, lightness and durability. However, traditional plastic need hundreds of years to have complete natural degradation [ 1 , 2 ]. Therefore, it is of great significance to …

Autoren:
Xufei Ma, Bingkun Li, Kun Shi, Xuejuan Liao, Huimin Wang, Lina Tang, Lizhong Zhang, Yifei Sun, Jianhui Li

17.06.2021 | Chemical routes to materials

Structural and luminescent properties of Er3+ and Tb3+-doped sol–gel-based bioactive glass powders and electrospun nanofibers

In this study, sol–gel-based erbium (Er3+), terbium (Tb3+) and Er3+: Tb3 co-doped 1393 bioactive glass powders and electrospun nanofibers were prepared. Structural and morphological properties of the bioactive glasses as well as the …

Autoren:
Aylin M. Deliormanlı, Begüm Rahman, Sibel Oguzlar, Kadriye Ertekin

17.06.2021 | Polymers & biopolymers

The effect of the ammonium persulfate and a multi-step annealing approach during thermal stabilization of polyacrylonitrile multifilament prior to carbonization

At present, carbon fibers are considered worldwide as one of the strongest and most lightweight reinforcement materials for constructing advanced composite supplies [ 1 , 2 ]. Carbon fibers contain anisotropic carbon with a value from 92 to 100 wt% …

Autoren:
Md. Mahbubor Rahman, Tuba Demirel, Kemal Şahin Tunçel, Ismail Karacan

17.06.2021 | Composites & nanocomposites

Investigation of directional effects on the electrical conductivity and piezoresistivity of carbon nanotube/polypropylene composites obtained by extrusion

The electrical conductivity and piezoresistivity of multiwall carbon nanotube (MWCNT)/polypropylene (PP) composites obtained by extrusion are investigated, with particular attention to the possible directional effects generated during the …

Autoren:
A. Balam, R. H. Cruz-Estrada, A. Castillo-Atoche, F. Avilés

17.06.2021 | Computation & theory Open Access

Anisotropic transport properties of graphene-based conductor materials

We analyzed nanographite-based materials in a combined study including experimental analysis via 4-point probe STM and simulation to provide a complete picture of microscopic and macroscopic properties of the material. The two- and …

Autoren:
Diana Slawig, Leo Rizzi, Tom Rothe, Jörg Schuster, Christoph Tegenkamp

17.06.2021 | Metals & corrosion

Effect of Co addition on hardness and electrical conductivity of Cu–Si alloys

High-strength and high-conductivity Cu alloys are widely required in railway and lead frames. As a conventional element, Si reduces the electrical conductivity of Cu alloys significantly. In this work, Co is introduced into Cu–Si alloys for …

Autoren:
Chenhui Lei, Huiya Yang, Feng Zhao, Xiaoyang Fang, Youtong Fang, Liang Meng, Jiabin Liu, Hongtao Wang

17.06.2021 | Chemical routes to materials

Tetraphenylporphyrin-modified perovskite nanocrystals enable ratiometric fluorescent determination of sulfide ion in water samples

A simple and feasible approach was constructed for preparation of all inorganic cesium lead bromide perovskite nanocrystals (CsPbBr3 NCs) modified with tetraphenylporphyrin tetrasulfonic acid (TPPS). The CsPbBr3/TPPS nanocomposite has good water …

Autoren:
Hongbo Wang, Qian Li, Xiaomeng Niu, Jianxiu Du

16.06.2021 | Chemical routes to materials

Facile synthesis of TiO2/WO3 nanocomposites and the electrochemical lithiation/delithiation activity

TiO2 is an attractive anode material for lithium ion batteries (LIBs). However, the low theoretical capacity and poor conductivity greatly hinder its potential applications. In this work, TiO2/WO3 nanocomposites (NCs) are successfully synthesized …

Autoren:
Jian Gao, Wenfei Yang, Canfeng Fang, Jingshuang Liang, Ting Cheng, Pu Li, Xiane Guo, Youngguan Jung, Yinong Wang, Xinglong Dong

16.06.2021 | Energy materials

Long-term stable and hysteresis-free planar perovskite solar cells using green antisolvent strategy

In order to minimize the environmental pollution and realize large-scale production, green chemicals are very necessary. In this work, we report the impact of ethyl acetate (EA) antisolvent treatment on the performance of fully air-fabricated …

Autoren:
Duha S. Ahmed, Ban K. Mohammed, Mustafa K. A. Mohammed

16.06.2021 | Computation & theory

Thermodynamic stabilization of nanocrystalline aluminum

Nanocrystalline metals are generally unstable due to a large volume fraction of high-energy grain boundaries associated with a small grain size. Preferential dopant segregation to the high-energy grain boundaries is observed to enhance the …

Autoren:
Jacob Hohl, Pankaj Kumar, Mano Misra, Pradeep Menezes, Leslie T. Mushongera

16.06.2021 | Metals & corrosion Open Access

Mechanisms of passivation and chloride-induced corrosion of mild steel in sulfide-containing alkaline solutions

The pore fluid within many concretes is highly alkaline and rich in reduced sulfur species, but the influence of such alkaline-sulfide solutions on the surface film formed on steel reinforcement is poorly understood. This study investigates the …

Autoren:
Shishir Mundra, John L. Provis

16.06.2021 | Chemical routes to materials

Effects of pre-imidization on rheological behaviors of polyamic acid solution and thermal mechanical properties of polyimide film: an experiment and molecular dynamics simulation

A series of polyamic acid (PAA) solutions and corresponding polyimide (PI) films with different chemical structures were prepared through a partial pre-imidization process, and the rheological behavior of PAA solutions and thermal mechanical …

Autoren:
Daolei Lin, Runyue Li, Tengfei Li, Yucheng Zi, Shengli Qi, Dezhen Wu

15.06.2021 | Energy materials

TiO2-x nanoparticles dispersed in center-radial channels of dendritic mesoporous silica nanospheres (DMSNs) as novelly structured photocatalysts

White titanium dioxide (TiO 2 ) with a large bandgap of ca. 3.2 eV can merely absorb light in the ultraviolet (UV) region [ 1 , 2 ], which limits its overall efficiency for photocatalytic environmental cleanings, CO 2 conversion, and hydrogen …

Autoren:
Yabin Wang, Hui Ma, Jingjing Guo, Yu Han, Xiuping Ding, Yantu Zhang

15.06.2021 | Electronic materials

DMSO-treated flexible PEDOT:PSS/PANi fiber electrode for high performance supercapacitors

Wearable energy storage device nowadays gains great interest due to sharply increased demand for highly flexible, stretchable and embedded electronics, where fiber-based supercapacitor (FSC) is a competitive counterpart. The …

Autoren:
Guoqiang Liu, Xiao Chen, Congcong Liu, Qinglin Jiang, Fengxing Jiang, Jianyu An, Jingkun Xu, Peipei Liu

15.06.2021 | Composites & nanocomposites

A wood textile fiber made from natural wood

Synthetic textile fibers have always had bright application prospects in the textile field due to their good physical properties, but their development has been restricted by the shortage of petrochemical resources. Here, inspired by the research …

Autoren:
Lechen Yang, Yan Wu, Feng Yang, Xinyu Wu, Yijing Cai, Jilei Zhang

15.06.2021 | Electronic materials

Effect of H2Te2O6 and TeO2 phases on structural and electrochromic properties of WO3–TeO2 nanostructured binary thin films

In this paper, WO3–TeO2 binary thin films were deposited by spray pyrolysis. By changing the stoichiometry between WO3 and TeO2 in initial solution, three samples with various molar ratios were prepared including: (a) WO3 (0.15 M)–TeO2 (0.05 M) …

Autoren:
A. Shirpay, M. M. Bagheri Mohagheghi

15.06.2021 | Chemical routes to materials

Metal cation-ligand interaction modulated mono-network ionic conductive hydrogel for wearable strain sensor

Ionic conductive hydrogels can transform the external stimuli into electrical signals via the ion migration. They have shown great potential in many fields, such as electronic skin [ 1 – 8 ], human–machine interfaces [ 9 – 11 ], soft robots [ 12 – …

Autoren:
Dongran Liang, Guanbing Zhou, Ye Hu, Chuanzhuang Zhao, Chongyi Chen

14.06.2021 | Composites & nanocomposites

Electrospun carbon nanofiber-based flexible films for electric heating elements with adjustable resistance, ultrafast heating rate, and high infrared emissivity

Carbon nanomaterials have shown great potential as electric heating elements in electrothermal applications. However, carbon-based heating elements with high flexibility, ultrafast electrothermal response, low driving voltage, high heating …

Autoren:
Zhenwei Li, Zijia Lin, Meisheng Han, Yongbiao Mu, Jie Yu

14.06.2021 | Energy materials

Enhanced dielectric temperature stability and energy-storage properties of (Y0.5Nb0.5)4+ co-doped (Bi0.5Na0.5)0.94Ba0.06TiO3 lead-free relaxor ceramics

(Bi0.5Na0.5)0.94Ba0.06Ti1−x(Y0.5Nb0.5)xO3 (abbreviated as BNTBT-100xYN) lead-free relaxor ceramics were designed and prepared using a traditional solid-state sintering technique. The influences of the introduction of (Y0.5Nb0.5)4+ complex ions for …

Autoren:
Han Wang, Qiang Li, Yuxin Jia, Arun Kumar Yadav, Benben Yan, Qi Shen, Mengyuan Li, Qifeng Quan, Huiqing Fan

14.06.2021 | Polymers & biopolymers

Facile preparation of three-dimensional graphene oxide/ -carrageenan composite aerogel and its efficient ability for selective adsorption of methylene blue

A three-dimensional graphene oxide/ $${\iota}$$ ι -carrageenan composite aerogel (GO/ $${\iota}$$ ι -Car) has been facilely manufactured in a benign approach and characterized in detail. The adsorption ability of the GO/ $${\iota}$$ ι -Car aerogel …

Autoren:
Guobin Song, Yawei Shi, Anqi Li, Haonan Wang, Guanghui Ding