Search results for: Chaoke Bulin

Items from 1 to 8 out of 8 results

article

Investigation on two modification strategies for the reinforcement of biodegradable lignin/poly(lactic acid) blends

Xin Ge, Mingming Chang, Wei Jiang, Bangwen Zhang, more

Journal of Applied Polymer Science > 137 > 44 > n/a - n/a

In this work, biodegradable lignin/poly(lactic acid) (PLA) blends were prepared with melting compounding method. Dicumyl peroxide (DCP) and maleic anhydride (MA)/biphenyl peroxide (BPO) were used for the modification of the polymer blends, respectively. Structure of the polymer blends was characterized with Fourier transformed infrared spectroscopy and field emission scanning electron microscopy....

article

Reversible luminescence modulation of Ho‐doped K_0.5Na_0.5NbO₃ piezoelectrics with high luminescence contrast

Yao Zhang, Jian Liu, Haiqin Sun, Dengfeng Peng, more

Journal of the American Ceramic Society > 101 > 6 > 2305 - 2312

A significant luminescence modulation behavior based on photochromic reactions was observed in Ho³⁺‐doped (Na_0.52K_0.48)_0.92Li_0.08NbO₃ ceramics, fabricated by the conventional solid‐state reaction method. Under visible light irradiation (407 nm) for 20 second, the samples changed pale gray from initial pale green, and returned to their original color by a thermal stimulus of 230°C for 10 minutes, showing...

article

Porous graphene-polyaniline nanoarrays composite with enhanced interface bonding and electrochemical performance

Huitao Yu, Guoxiang Xin, Xin Ge, Chaoke Bulin, more

Composites Science and Technology > 2018 > 154 > C > 76-84

There are ever increasing interests in three dimensional (3D) graphene for the construction of wearable electrics and flexible energy storage devices. Herein, we report a 3D porous graphene supported polyaniline (PANI) nanoarrays composite with enhanced interface bonding and high load fraction of PANI for supercapacitor application. We demonstrate that by utilizing benzenesulfonic acid functionalization...

article

High-Efficient Liquid Exfoliation of Boron Nitride Nanosheets Using Aqueous Solution of Alkanolamine

Bangwen Zhang, Qian Wu, Huitao Yu, Chaoke Bulin, more

Nanoscale Research Letters > 2017 > 12 > 1 > 1-7

As one of the simple and efficient routes to access two-dimensional materials, liquid exfoliation has received considerable interest in recent years. Here, we reported on high-efficient liquid exfoliation of hexagonal boron nitride nanosheets (BNNSs) using monoethanolamine (MEA) aqueous solution. The resulting BNNSs were evaluated in terms of the yield and structure characterizations. The results...

article

Facile fabrication and energy storage analysis of graphene/PANI paper electrodes for supercapacitor application

Huitao Yu, Xin Ge, Chaoke Bulin, Ruiguang Xing, more

Electrochimica Acta > 2017 > 253 > C > 239-247

Herein we reported a novel routine to easily access graphene/polyaniline paper (GPp) as supercapacitor electrodes through controlled in-situ polymerization followed by roll coating. According to this routine, the load fraction of PANI can be easily controlled by feed ratio of aniline to GO. In the resulting GPp, PANI nanoarrays anchored graphene nanosheets and PANI nanofibers throughout the bulk coexist,...

article

Preparation and supercapacitor performance of functionalized graphene aerogel loaded with polyaniline as a freestanding electrode

Chaoke Bulin, Huitao Yu, Xin Ge, Guoxiang Xin, more

Journal of Materials Science > 2017 > 52 > 10 > 5871-5881

Graphene aerogel (GA) has wide applications in energy storage, catalysis, and adsorption. However, as a candidate for supercapacitor electrode, it suffers from low specific capacitance. In this paper, we conceived and conducted a two-step strategy to improve the electrochemical properties of GA: First, GA was selective functionalized with p-phenylenediamine. Then PANI was grafted onto GA by in situ...

article

Preparation and dielectric properties of PATP-coated nano-BaTiO3/epoxy resin composites

Xuedong Wei, Ruiguang Xing, Bangwen Zhang, Qiwei Zhang, more

Ceramics International > 2015 > 41 > Supplement 1 > S492-S497

To achieve high-ε_r, low-tgσ polymer composites, a multistep grafting route was designed to coat BaTiO₃ (BT) nanoparticles with polymer PATP and then composite them with epoxy resin. FTIR and TGA were used to evaluate the chemical grafting of BT nanoparticles. TEM and SEM were utilized to characterize the morphology and microstructure of samples. The effects of surface modification and filler fraction...

article

Strong Red Emissions in Pr³⁺‐Doped (K_0.5Na_0.5)NbO₃–CaTiO₃ Diphase Ceramics

Haiqin Sun, Qiwei Zhang, Xusheng Wang, Chaoke Bulin, more

Journal of the American Ceramic Society > 98 > 2 > 601 - 606

The photoluminescence and temperature sensing properties based on down‐shifting emission of Pr³⁺‐doped (K_0.5Na_0.5)NbO₃–yCaTiO₃ (KNN: yCT) diphasic materials were systematically investigated. Under 447‐nm excitation, Pr³⁺‐doped KNN: yCT samples exhibited significantly enhanced red emission at 603 nm assigned to ¹D₂→³H₄ transitions of Pr³⁺ ions. The red emission intensities reached the optimum value...

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