Frontiers of Materials Science最新文献_第8页

Double-layered TiO2 cavity/nanoparticle photoelectrodes for efficient dye-sensitized solar cells 用于高效染料敏化太阳能电池的双层TiO2空腔/纳米颗粒光电极

IF 2.7 4区材料科学

Frontiers of Materials Science Pub Date : 2023-02-28 DOI: 10.1007/s11706-023-0638-8

Zhen Li, Libo Yu

{"title":"Double-layered TiO2 cavity/nanoparticle photoelectrodes for efficient dye-sensitized solar cells","authors":"Zhen Li, Libo Yu","doi":"10.1007/s11706-023-0638-8","DOIUrl":"10.1007/s11706-023-0638-8","url":null,"abstract":"<div>TiO2 nanoparticles (NPs) in the size of ∼25 nm, namely P25, are very common material as the electron collecting layer in dye-sensitized solar cells (DSSCs). However, the light-scattering improvement of TiO2 NP photoelectrodes is still a challenge. Here, we built TiO2 cavities on the top of the TiO2 NP layer by using carbonaceous microspheres as the template, forming the TiO2 cavity/nanoparticle (C/NP) photoelectrode for the application in DSSCs. The cavity amount in the TiO2 C/NP photoelectrode was controlled by adjusting the weight ratio of carbonaceous microspheres. SEM results confirm the successful formation of the double-layered TiO2 C/NP electrode. J—V tests show that the optimized TiO2 C/NP electrode prepared with 25 wt.% carbonaceous microspheres contributes to remarkable improvement of the short-circuit current density (Jsc) and the power conversion efficiency (PCE). The best photovoltaic performance solar cell with the PCE of 9.08% is achieved with the optimized TiO2 C/NP photoelectrode, which is over 98% higher than that of the TiO2 NP photoelectrode. Further investigations of UV-vis DRS, IPCE, OCVD, and EIS demonstrate that the competition between light scattering effect and charges recombination in this TiO2 C/NP photoelectrode is responsible for the PCE enhancement.</div>","PeriodicalId":572,"journal":{"name":"Frontiers of Materials Science","volume":"17 1","pages":""},"PeriodicalIF":2.7,"publicationDate":"2023-02-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"5079803","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 1

Fabrication of MOF-based composite for synergistic catalysis 协同催化mof基复合材料的制备

IF 2.7 4区材料科学

Frontiers of Materials Science Pub Date : 2023-02-28 DOI: 10.1007/s11706-023-0636-x

Xin Zhou, Yanhu Zhang, Weiqiang Zhou, Chen Zhou, Quan Wang

引用次数: 0

Erratum to: Recent research progress of master mold manufacturing by nanoimprint technique for the novel microoptics devices 用纳米压印技术制造新型微光学器件主模的最新研究进展

IF 2.7 4区材料科学

Frontiers of Materials Science Pub Date : 2023-01-03 DOI: 10.1007/s11706-022-0621-9

Yuhang Liu, Jianjun Lin, Zuohuan Hu, Guoli Gao, Bingyang Wang, Liuyi Wang, Zhiyuan Pan, Jianfei Jia, Qinwei Yin, Dengji Guo, Xujin Wang

引用次数: 0

Multifunction ZnO/carbon hybrid nanofiber mats for organic dyes treatment via photocatalysis with enhanced solar-driven evaporation 多功能ZnO/碳杂化纳米纤维垫在增强太阳能驱动蒸发的光催化下处理有机染料

IF 2.7 4区材料科学

Frontiers of Materials Science Pub Date : 2022-12-24 DOI: 10.1007/s11706-022-0623-7

Wenxin Wang, Yang Chen, Ning Wang, Zhiqiang Du, Martin Jensen, Zihan An, Xianfeng Li

{"title":"Multifunction ZnO/carbon hybrid nanofiber mats for organic dyes treatment via photocatalysis with enhanced solar-driven evaporation","authors":"Wenxin Wang, Yang Chen, Ning Wang, Zhiqiang Du, Martin Jensen, Zihan An, Xianfeng Li","doi":"10.1007/s11706-022-0623-7","DOIUrl":"10.1007/s11706-022-0623-7","url":null,"abstract":"<div>ZnO-based photocatalytic materials have received widespread attention due to their usefulness than other photocatalytic materials in organic dye wastewater treatment. However, its photocatalytic efficiency and surface stability limit further applicability. This paper uses a one-step carbonization method to prepare multifunctional ZnO/carbon hybrid nanofiber mats. The carbonization creates a π-conjugated carbonaceous structure of the mats, which prolongs the electron recovery time of ZnO nanoparticles to yield improved photocatalytic efficiency. Further, the carbonization reduces the fiber diameter of the carbon hybrid nanofiber mats, which quadruples the specific surface area to yield enhanced adsorption and photocatalytic performance. At the same time, the prepared nanofiber mats can increase the evaporation rate of water under solar irradiation to a level of 1.46 kg·m−2·h−1 with an efficiency of 91.9%. Thus, the nanofiber mats allow the facile incorporation of photocatalysts to clean contaminated water through adsorption, photodegradation, and interfacial heat-assisted distillation mechanisms.</div>","PeriodicalId":572,"journal":{"name":"Frontiers of Materials Science","volume":"16 4","pages":""},"PeriodicalIF":2.7,"publicationDate":"2022-12-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"4923859","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Facile preparation and property analyses of L-CNC/SiO2-based composite superhydrophobic coating L-CNC/ sio2基复合超疏水涂层的制备及性能分析

IF 2.7 4区材料科学

Frontiers of Materials Science Pub Date : 2022-12-23 DOI: 10.1007/s11706-022-0626-4

Wentao Huang, Qihui Ye, Changying Ren, Youwei Lu, Yuxin Cai, Wenbiao Zhang, Jingda Huang

{"title":"Facile preparation and property analyses of L-CNC/SiO2-based composite superhydrophobic coating","authors":"Wentao Huang, Qihui Ye, Changying Ren, Youwei Lu, Yuxin Cai, Wenbiao Zhang, Jingda Huang","doi":"10.1007/s11706-022-0626-4","DOIUrl":"10.1007/s11706-022-0626-4","url":null,"abstract":"<div>In recent years, superhydrophobic coatings have received extensive attention due to their functions of waterproof, antifouling, self-cleaning, etc. However, wide applications of superhydrophobic coatings are still affected by their disadvantages of complex preparation, low mechanical properties, and poor ultraviolet (UV) resistance. In this study, cellulose nanocrystal containing a small amount of lignin (L-CNC)/SiO2 composite particles were used as the main material, polydimethylsiloxane (PDMS) as the adhesive and perfluorooctyltrichlorosilane (FOTS) as the modifier to prepare superhydrophobic coatings by a one-step spray method. The resulted coating showed excellent superhydrophobicity (water contact angle (WCA) of 161° and slide angle (SA) of 7°) and high abrasion resistance (capable of withstanding 50 abrasion cycles under the load of 50 g). Moreover, it still maintained good superhydrophobicity after 5 h of exposure to the UV light (1000 W), displaying its good UV resistance. This study provides theoretical and technical reference for the simple preparation of organic-inorganic composite superhydrophobic coatings with high abrasion resistance and good UV resistance, which is beneficial to improving the practicability and broadening the application scope of superhydrophobic coatings.</div>","PeriodicalId":572,"journal":{"name":"Frontiers of Materials Science","volume":"16 4","pages":""},"PeriodicalIF":2.7,"publicationDate":"2022-12-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"4887921","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Ultrasensitive methyl salicylate gas sensing determined by Pd-doped SnO2 pd掺杂SnO2测定水杨酸甲酯超灵敏气敏

IF 2.7 4区材料科学

Frontiers of Materials Science Pub Date : 2022-12-23 DOI: 10.1007/s11706-022-0625-5

Chaoqi Zhu, Xiang Li, Xiaoxia Wang, Huiyu Su, Chaofan Ma, Xiang Guo, Changsheng Xie, Dawen Zeng

引用次数: 0

High lithium storage performance of Ni0.5Fe0.5O1−xNx thin film with NiO-type crystal structure 具有nio型晶体结构的Ni0.5Fe0.5O1−xNx薄膜具有较高的锂存储性能

IF 2.7 4区材料科学

Frontiers of Materials Science Pub Date : 2022-12-23 DOI: 10.1007/s11706-022-0624-6

Zhiyuan Ma, Qingbing Wang, Yuhua Wang, Zhaolong Li, Hong Zhang, Zhicheng Li

引用次数: 1

Hierarchically porous CMC/rGO/CNFs aerogels for leakage-proof mirabilite phase change materials with superior energy thermal storage 分层多孔CMC/rGO/CNFs气凝胶，用于防泄漏的芒硝相变材料，具有优越的能量储热能力

IF 2.7 4区材料科学

Frontiers of Materials Science Pub Date : 2022-12-17 DOI: 10.1007/s11706-022-0619-3

Fenglan Chen, Xin Liu, Zhengya Wang, Shengnian Tie, Chang-An Wang

{"title":"Hierarchically porous CMC/rGO/CNFs aerogels for leakage-proof mirabilite phase change materials with superior energy thermal storage","authors":"Fenglan Chen, Xin Liu, Zhengya Wang, Shengnian Tie, Chang-An Wang","doi":"10.1007/s11706-022-0619-3","DOIUrl":"10.1007/s11706-022-0619-3","url":null,"abstract":"<div>As a kind of essential hydrated salt phase change energy storage materials, mirabilite with high energy storage density and mild phase-transition temperature has excellent application potential in the problems of solar time and space mismatch. However, there are some disadvantages such as supercooling, substantial phase stratification and leakage problem, limiting its further applications. In this work, for the preparation of shaped mirabilite phase change materials (MPCMs), graphene (GO), sodium carboxymethyl cellulose (CMC), and carbon nanofibers (CNFs) were used as starting materials to prepare lightweight CMC/rGO/CNFs carbon aerogel (CGCA) as support with stable shape, high specific surface area, and well-arranged hierarchically porous structure. The results show that CGCA has regular layered plentiful pores and stable foam structure, and the pore and sheet interspersed structure in CGCA stabilizes PCMs via capillary force and surface tension. The hydrophilic aerogels supported MPCMs decrease mirabilite leaking and reduce supercooling to around 0.7–1 °C. The latent heats of melting and crystallization of CGCA-supported mirabilite phase change materials (CGCA-PCMs) are 157.1 and 114.8 J·g−1, respectively. Furthermore, after 1500 solid—liquid cycles, there is no leakage, and the retention rate of crystallization latent heat is 45.32%, exhibiting remarkable thermal cycling stability.</div>","PeriodicalId":572,"journal":{"name":"Frontiers of Materials Science","volume":"16 4","pages":""},"PeriodicalIF":2.7,"publicationDate":"2022-12-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"4676626","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 2

Spray synthesis of rapid recovery ZnO/polyaniline film ammonia sensor at room temperature 室温喷雾合成快速回收ZnO/聚苯胺膜氨传感器

IF 2.7 4区材料科学

Frontiers of Materials Science Pub Date : 2022-11-21 DOI: 10.1007/s11706-022-0620-x

Yingze Bai, Xin Dong, Chuanyu Guo, Yingming Xu, Bin Wang, Xiaoli Cheng

引用次数: 2

Regulation of cell morphology and viability using anodic aluminum oxide with custom-tailored structural parameters 使用定制结构参数的阳极氧化铝调节细胞形态和活力

IF 2.7 4区材料科学

Frontiers of Materials Science Pub Date : 2022-11-17 DOI: 10.1007/s11706-022-0622-8

Zhiying Zhang, Ting Liu, Juan Li, Yiyan Guo, Ruiqing Liang, Jiangbo Lu, Runguang Sun, Jun Dong

{"title":"Regulation of cell morphology and viability using anodic aluminum oxide with custom-tailored structural parameters","authors":"Zhiying Zhang, Ting Liu, Juan Li, Yiyan Guo, Ruiqing Liang, Jiangbo Lu, Runguang Sun, Jun Dong","doi":"10.1007/s11706-022-0622-8","DOIUrl":"10.1007/s11706-022-0622-8","url":null,"abstract":"<div>Anodic aluminum oxide (AAO) with independently controlled period, porosity, and height is used as the model surface to study the single structural parameter effect on breast cancer cell behaviors, including cell polarity and cell viability. It is found that the quantity of multipolar cells and cell viability increases as the nanodent period increases from 100 to 300 nm, while the number of bipolar cells has almost no change until there is a dramatic decrease as the period increases to 300 nm. After anodizing nanodents into nanopores, the numbers of both bipolar cells and the cell viability increase significantly with the porosity increase. However, as the porosity further increases and the nanopore changes into a nanocone pillar, most of the cells become nonpolar spheres and the cell viability decreases. Increasing the height of the nanocone pillar has little effect on the cell polarity; the cell viability increases slightly with the increase of the nanocone pillar height. These results reveal the influence of individual nanostructure parameters on the cell behavior, especially the cell polarity and the cell viability, which can help to design the surface to make the cell grow as desired.</div>","PeriodicalId":572,"journal":{"name":"Frontiers of Materials Science","volume":"16 4","pages":""},"PeriodicalIF":2.7,"publicationDate":"2022-11-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"4700367","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0