Journal of Applied Biomaterials & Functional Materials最新文献_第10页

Photovoltaic Performance of CH3NH3PbI2Cl Perovskite Solar Cell CH3NH3PbI2Cl钙钛矿太阳能电池的光伏性能

IF 2.5 4区医学

Journal of Applied Biomaterials & Functional Materials Pub Date : 2022-06-30 DOI: 10.35745/afm2022v02.02.0003

Yi-Tzu Tseng, Y. Tseng, C. Wu

引用次数: 0

Electromechanical Property Calculation of Carbon Nanotubes Using Linear Augmented Cylindrical Wave Method 线性增广柱面波法计算碳纳米管机电性能

IF 2.5 4区医学

Journal of Applied Biomaterials & Functional Materials Pub Date : 2022-06-30 DOI: 10.35745/afm2022v02.02.0006

P. D’yachkov

{"title":"Electromechanical Property Calculation of Carbon Nanotubes Using Linear Augmented Cylindrical Wave Method","authors":"P. D’yachkov","doi":"10.35745/afm2022v02.02.0006","DOIUrl":"https://doi.org/10.35745/afm2022v02.02.0006","url":null,"abstract":"Deformations of single-walled carbon nanotubes (SWNTs) change their band structure in the nanoelectromechanical systems. In this study, we investigated the response of the electronic structure of chiral and nonchiral SWNTs (8,7), (9,6), (10,5), (7,7), (11,0), (12,0), and (13,0) to twisting and axial tension modes by using the symmetrized linear augmented cylindrical wave technique. We showed that perturbations of the band structures depend on a “family” index p = (n1 − n2)mod 3 (where p = −1, 0 or 1). Twisting the semiconducting (8,7) tubule with p = 1 in the direction of the screw axis is accompanied by the large broadening of minimum gap E11 and narrowing of the second gap E22, while these gaps drastically change in the tubule (10,5) with p = −1. In these tubules, changing the direction of twisting leads to the reversal in direction of the gap shifts. Regardless of the twisting direction, in metallic (7,7) and quasi-metallic (9,6) SWNTs with p = 0, the E11 gap rapidly increases from 0.0 and 0.035 eV to about 1 eV. When twisting the zigzag tubules (13,0) p = 1 and (11,0) p = −1, the gaps E11 equal to about 0.8 eV increase and decrease by several hundredths of eV. On the contrary, the compression and extension of these tubules cause a sharp change in their band structure with approximately a twofold change in the gaps E11 and E22 and inversion in the sequence of the boundary bands. The similar deformation of the armchair nanotube (7,7) has practically no effect on its electronic levels. In the case of zigzag (12,0) p = 0 SWNT, all deformation modes transform the quasi-metallic tubule into the semiconductor.","PeriodicalId":14985,"journal":{"name":"Journal of Applied Biomaterials & Functional Materials","volume":"62 1","pages":""},"PeriodicalIF":2.5,"publicationDate":"2022-06-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"85782763","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 1

Modeling of Optical Characteristics of Silver Nanoparticles—Water Suspension Subject to Electromagnetic Irradiation 纳米银粒子的光学特性建模——电磁辐照下的水悬浮液

IF 2.5 4区医学

Journal of Applied Biomaterials & Functional Materials Pub Date : 2022-06-30 DOI: 10.35745/afm2022v02.02.0004

H. R. Dehghanpour

引用次数: 0

Analogy among Center of Gravity, Center of Mass, and Centroid of Rigid body: Analysis of Formula for Their Respective Calculation as per Configuration of Body and Utilization in Composite Application 刚体重心、质心、质心的类比:按体形各自计算公式分析及在复合应用中的应用

IF 2.5 4区医学

Journal of Applied Biomaterials & Functional Materials Pub Date : 2022-06-30 DOI: 10.35745/afm2022v02.02.0002

Saransh Tiwari, Sudhaker Dixit, Ved Kumar, A. Rastogi

引用次数: 1

Pressure and Thickness Dependence of Physical Properties of ZnO:Ga Thin Films by Radio Frequency Magnetron Sputtering 射频磁控溅射制备ZnO:Ga薄膜物理特性的压力和厚度依赖性

IF 2.5 4区医学

Journal of Applied Biomaterials & Functional Materials Pub Date : 2022-06-30 DOI: 10.35745/afm2022v02.02.0005

Fang-Hsing Wang, Hua-Tz Tzeng

{"title":"Pressure and Thickness Dependence of Physical Properties of ZnO:Ga Thin Films by Radio Frequency Magnetron Sputtering","authors":"Fang-Hsing Wang, Hua-Tz Tzeng","doi":"10.35745/afm2022v02.02.0005","DOIUrl":"https://doi.org/10.35745/afm2022v02.02.0005","url":null,"abstract":"Indium-free transparent conducting oxide films have attracted extensive attention in the field of optoelectronics. Ga-doped ZnO (GZO) thin films are deposited by radio frequency magnetron sputtering on glass substrates at a temperature of 200 °C with ZnO:Ga2O3 (3 wt%). The structural, electrical, and optical properties of the GZO thin films were investigated in terms of deposition pressure and film thickness variations. X-ray diffraction analysis showed that all the prepared GZO films exhibited hexagonal wurtzite crystal structure with a (002) preferential orientation along the c-axis, regardless of pressure and thickness. The average visible transmittance (including the glass substrate) in a wavelength range of 400–700 nm decreased with increasing thickness but varied less with pressure. The highest average visible transmittance reached 88.4% at the thickness of 150 nm and the pressure of 5 mTorr. The optical band gap of the GZO films calculated using Tauc’s method was in the range of about 3.6–3.9 eV. The resistivity of GZO thin films decreased with decreasing deposition pressure and increasing film thickness, and the minimum resistivity obtained at 5 mTorr and 1000 nm was 3.36 × 10-4 Ω-cm. The maximum figure of merit (FOM) of 3.09 × 10-2 Ω-1 was achieved at 5 mTorr and 1000 nm. The superior optical and electrical properties and high FOM show that the prepared GZO thin films are suitable for transparent conducting films and optoelectronic devices.","PeriodicalId":14985,"journal":{"name":"Journal of Applied Biomaterials & Functional Materials","volume":"112 1","pages":""},"PeriodicalIF":2.5,"publicationDate":"2022-06-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"83667650","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Effect of Cobalt Composition on Electrochemical Behavior of Platinum-Based Catalyst towards Hydrogen Evolution Reaction 钴成分对铂基催化剂析氢电化学行为的影响

IF 2.5 4区医学

Journal of Applied Biomaterials & Functional Materials Pub Date : 2022-06-30 DOI: 10.35745/afm2022v02.02.0001

Duc Thanh Nguyen, Hang Thi Thuy Nguyen, Hung Cam Ly, An Thi Xuan Duong

{"title":"Effect of Cobalt Composition on Electrochemical Behavior of Platinum-Based Catalyst towards Hydrogen Evolution Reaction","authors":"Duc Thanh Nguyen, Hang Thi Thuy Nguyen, Hung Cam Ly, An Thi Xuan Duong","doi":"10.35745/afm2022v02.02.0001","DOIUrl":"https://doi.org/10.35745/afm2022v02.02.0001","url":null,"abstract":"The hydrogen production from water electrolysis is of interest as a renewable energy generation technology. However, the high price of noble platinum (Pt) catalysts for the hydrogen evolution reaction (HER) is a big challenge to use it. Herein, we fabricate cost-effective CoPt bimetallic alloys and explore the effect of Co composition on the electrochemical behavior of such alloys, which has been rarely reported. A series of Co1-xPtx (x = 0.25; 0.5; 0.75) alloys are prepared via a room-temperature chemical reduction route without using any surfactants/stabilizers that exhibit a uniform distribution in small particle sizes (ca. 3 nm) on the carbon surface. In terms of the HER, the incorporation of a suitable Co proportion into the Pt lattices enhance significantly the HER performance in an acidic environment. For instance, the Co0.5Pt0.5 NPs/C catalyst displays a low onset potential (16.67 mV) and a small Tafel slope (19.60 mV dec-1), which is different from other Co1-xPtx catalysts and commercial C-supported Pt (NPs) catalyst. This research result not only supplies a facile strategy to synthesize alloys but also guides the choice of a suitable proportion of transition metal into Pt lattice for electrochemical reactions in green energy storage and conversion technologies.","PeriodicalId":14985,"journal":{"name":"Journal of Applied Biomaterials & Functional Materials","volume":"29 1","pages":""},"PeriodicalIF":2.5,"publicationDate":"2022-06-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"77921667","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Electron Cloud Densitometry of Inner and Valence Electrons in Carbon Allotropes 碳同素异形体内电子和价电子的电子云密度测定

IF 2.5 4区医学

Journal of Applied Biomaterials & Functional Materials Pub Date : 2022-03-30 DOI: 10.35745/afm2022v02.01.0002

O. Kucherov

引用次数: 0

Influence of MAPBI3 Annealing Temperature on Perovskite Solar Cell MAPBI3退火温度对钙钛矿太阳能电池性能的影响

IF 2.5 4区医学

Journal of Applied Biomaterials & Functional Materials Pub Date : 2022-03-30 DOI: 10.35745/afm2022v02.01.0005

Tung-Lung Wu, J. Tsai, Yaxin Song, Tangxi Chen, T. Wu, Kao-Wei Min, Ming-Ta Yu, Chi-Ting Ho

引用次数: 0

Effect of Synthesis Time on Synthesis and Photoluminescence Properties of ZnO Nanorods 合成时间对ZnO纳米棒合成及光致发光性能的影响

IF 2.5 4区医学

Journal of Applied Biomaterials & Functional Materials Pub Date : 2022-03-30 DOI: 10.35745/afm2022v02.01.0003

Cheng-Fu Yang, Chingfu Wang, Fang-Hsing Wang, Han-Wen Liu, J. Mičová

引用次数: 2

Failure Behaviour of Carbon-Epoxy Composite in Crack Arrester and Crack Divider Mode 碳-环氧复合材料在阻裂和隔裂模式下的破坏行为

IF 2.5 4区医学

Journal of Applied Biomaterials & Functional Materials Pub Date : 2022-03-30 DOI: 10.35745/afm2022v02.01.0001

Majee Kumar Swarup, Das Jiten, S. Seetaraman

{"title":"Failure Behaviour of Carbon-Epoxy Composite in Crack Arrester and Crack Divider Mode","authors":"Majee Kumar Swarup, Das Jiten, S. Seetaraman","doi":"10.35745/afm2022v02.01.0001","DOIUrl":"https://doi.org/10.35745/afm2022v02.01.0001","url":null,"abstract":"Failure behaviour of a carbon-epoxy composite is studied both in crack arrester (CA) and crack divider(CD) mode by conducting 3-point bend test of un-notched (UN) and single edge pre-crack notched (N) (notch depth varied from 0.5 to 3.3 mm) specimens at various cross head speeds(CHS) such as 0.2, 50, 100, 200 and 500 mm/min. Influence of notch depth (ND) and CHS on the conditional fracture toughness(CFT) is understood using ANOVA. In both the mode, while the CFT values varies linearly with CHS, its values are observed to be lower at short ND, higher at medium ND and again lower at high ND. In both the modes at high ND (~3.3mm) opening mode/fibre breaking (mode I) failure occurs because of high crack tip stress concentration (as analysed from ANSYS 15.0) which cause fibre failure at the tip and corresponding Mode I fracture toughness was observed to be~20 MPa.m0.5. The composite also shows similar flexural strength both in CA mode (641+48) and in CD mode (634+49 MPa). In CD mode N specimen predominantly fails by mode I. While in CD mode the delamination (mode II) is only observed in UN specimens, in CA mode UN or small N specimen shows mode II failure and medium notched specimen shows mixed mode failure. In CA mode, number of delaminated layer is higher for the specimen tested at high CHS. In CA mode during charpy test (strain rate 103/s), the composite shows numerous delamination and absorbed much higher energy(~40J/cm2) than that in CD (~10J/cm2) mode where mode I failure is predominant. During impact test, lowering of test temperature to -40oC has very little effect on the impact energy since it does not significantly affect the mode of failure.","PeriodicalId":14985,"journal":{"name":"Journal of Applied Biomaterials & Functional Materials","volume":"24 1","pages":""},"PeriodicalIF":2.5,"publicationDate":"2022-03-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90100976","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0