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You searched for: Journal ACS applied materials & interfaces Remove constraint Journal: ACS applied materials & interfaces Publication Year 2019 Remove constraint Publication Year: 2019 Source 2019 v.11 no.4 Remove constraint Source: 2019 v.11 no.4
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1. Ultralong Hydroxyapatite Nanowire-Based Filter Paper for High-Performance Water Purification

Author:
Zhang, Qiang-Qiang; Zhu, Ying-Jie; Wu, Jin; Shao, Yue-Ting; Cai, An-Yong; Dong, Li-Ying
Source:
ACS applied materials & interfaces 2019 v.11 no.4 pp. 4288-4301
ISSN:
1944-8252
Subject:
adsorption; bacteria; cellulosic fibers; filtration; hydrophilicity; hydroxyapatite; ions; lead; nanoparticles; nanowires; paper; strength (mechanics); titanium dioxide; water purification; water shortages
Abstract:
... A new kind of environmentally friendly filter paper based on ultralong hydroxyapatite nanowires (HAPNWs) and cellulose fibers (CFs) with excellent filtration and adsorption properties has been developed for the application in high-performance water purification. The use of polyamidoamine-epichlorohydrin (PAE) resin increases the wet mechanical strength of the as-prepared HAPNW/CF filter paper. The ...
DOI:
10.1021/acsami.8b20703

2. Carbon Nanocoil-Based Fast-Response and Flexible Humidity Sensor for Multifunctional Applications

Author:
Wu, Jin; Sun, Yan-Ming; Wu, Zixuan; Li, Xin; Wang, Nan; Tao, Kai; Wang, Guo Ping
Source:
ACS applied materials & interfaces 2019 v.11 no.4 pp. 4242-4251
ISSN:
1944-8252
Subject:
adsorption; carbon; humans; hydrophobicity; liquid crystals; polymers; porous media; relative humidity; sensation
Abstract:
... Carbon nanocoils (CNCs) are employed to fabricate fast, high-resolution, and reversible humidity sensor based on a flexible liquid crystal polymer (LCP) substrate. The humidity sensor displays fast-response (1.9 s) and recovery time (1.5 s), a broad relative humidity (RH) detection range (4–95%), linearity, repeatability, and stability. The rapid response and recovery are considered to benefit fro ...
DOI:
10.1021/acsami.8b18599

3. N-Doped Sandwich-Structured Mo₂C@C@Pt Interface with Ultralow Pt Loading for pH-Universal Hydrogen Evolution Reaction

Author:
Chi, Jing-Qi; Xie, Jing-Yi; Zhang, Wei-Wei; Dong, Bin; Qin, Jun-Feng; Zhang, Xin-Yu; Lin, Jia-Hui; Chai, Yong-Ming; Liu, Chen-Guang
Source:
ACS applied materials & interfaces 2019 v.11 no.4 pp. 4047-4056
ISSN:
1944-8252
Subject:
carbides; carbon; catalysts; electrochemistry; hydrogen production; nanoparticles; nanospheres; pyrolysis; reaction kinetics; surface area; synergism
Abstract:
... Designing a unique electrochemical interface to exhibit Pt-like activity and good stability is indispensable for the efficient hydrogen evolution reaction (HER). Herein, we synthesize well-defined Mo₂C@NC@Pt nanospheres with a sandwich-structured interface through a facile organic–inorganic pyrolysis and following reduction process. The obtained Mo₂C@NC@Pt heterostructures with ultralow Pt loading ...
DOI:
10.1021/acsami.8b20209

4. Three-Dimensional Graphene-Supported Ni₃Fe/Co₉S₈ Composites: Rational Design and Active for Oxygen Reversible Electrocatalysis

Author:
Hu, Xuejiao; Huang, Tan; Tang, Yawen; Fu, Gengtao; Lee, Jong-Min
Source:
ACS applied materials & interfaces 2019 v.11 no.4 pp. 4028-4036
ISSN:
1944-8252
Subject:
active sites; aerogels; catalysts; electrodes; electrons; graphene; graphene oxide; oxygen; oxygen production; sulfides
Abstract:
... The development of low-cost and efficient electrocatalysts with a bicomponent active surface for reversible oxygen electrode reactions is highly desirable and challenging. Herein, we develop an effective calcination-hydrothermal approach to fabricate graphene aerogel-anchored Ni₃Fe–Co₉S₈ bifunctional electrocatalyst (Ni₃Fe–Co₉S₈/rGO). The mutually beneficial Ni₃Fe–Co₉S₈ bifunctional active compone ...
DOI:
10.1021/acsami.8b19971

5. Trimetallic PtPdNi-Truncated Octahedral Nanocages with a Well-Defined Mesoporous Surface for Enhanced Oxygen Reduction Electrocatalysis

Author:
Wang, Hongjing; Li, Yinghao; Deng, Kai; Li, Chunjie; Xue, Hairong; Wang, Ziqiang; Li, Xiaonian; Xu, You; Wang, Liang
Source:
ACS applied materials & interfaces 2019 v.11 no.4 pp. 4252-4257
ISSN:
1944-8252
Subject:
active sites; catalytic activity; electrochemistry; engineering; geometry; nanocrystals; nitric acid; oxygen; permeability; porous media
Abstract:
... Engineering the architectures and compositions of noble metal-based nanocrystals is an effective strategy to optimize their catalytic performance. Herein, we report the synthesis of unique trimetallic PtPdNi mesoporous-truncated octahedral nanocages (PtPdNi MTONs), which is simply performed by first constructing Pd@PtPdNi core–shell mesoporous truncated octahedra (Pd@PtPdNi MTOs) and further selec ...
DOI:
10.1021/acsami.8b18696

6. Fabrication and Characterization of a Capacitive Photodetector Comprising a ZnS/Cu Particle/Poly(vinyl butyral) Composite

Author:
Jun, Sungwoo; Choi, Su Bin; Han, Chul Jong; Yu, Yeon-Tae; Lee, Cheul-Ro; Ju, Byeong-Kwon; Kim, Jong-Woong
Source:
ACS applied materials & interfaces 2019 v.11 no.4 pp. 4416-4424
ISSN:
1944-8252
Subject:
capacitance; composite films; composite materials; copper; dielectric properties; electric current; electrodes; irradiation; nanosilver; nanowires; semiconductors; wavelengths; zinc sulfide
Abstract:
... Most photodetectors developed to date essentially measure photocurrents induced by the generation and separation of electron–hole pairs in semiconductors during irradiation. Although the above light detection method is well established, highly sensitive, and applicable to a broad range of semiconductor materials, it requires the presence of a stable and direct contact between the semiconductor and ...
DOI:
10.1021/acsami.8b20136

7. Study of Biofilm Growth on Slippery Liquid-Infused Porous Surfaces Made from Fluoropor

Author:
Keller, Nico; Bruchmann, Julia; Sollich, Thomas; Richter, Christiane; Thelen, Richard; Kotz, Frederik; Schwartz, Thomas; Helmer, Dorothea; Rapp, Bastian E.
Source:
ACS applied materials & interfaces 2019 v.11 no.4 pp. 4480-4487
ISSN:
1944-8252
Subject:
Pseudomonas aeruginosa; bacteria; biocides; biofilm; lubricants; polymerization; polymers; porosity; roughness; surface roughness
Abstract:
... Undesired growth of biofilms represents a fundamental problem for all surfaces in long-term contact with aqueous media. Mature biofilms resist most biocide treatments and often are a pathogenic threat. One way to prevent biofilm growth on surfaces is by using slippery liquid-infused porous surfaces (SLIPS). SLIPS consist of a porous substrate which is infused with a lubricant immiscible with the a ...
DOI:
10.1021/acsami.8b12542

8. Hybrid Optical/Electric Memristor for Light-Based Logic and Communication

Author:
Cai, Shu-Yi; Tzou, Chen-Yang; Liou, Yi-Rou; Chen, Ding-Rui; Jiang, Cing-Yu; Ma, Jing-Meng; Chang, Chi-Yuan; Tseng, Chen-Yang; Liao, Yu-Ming; Hsieh, Ya-Ping; Hofmann, Mario; Chen, Yang-Fang
Source:
ACS applied materials & interfaces 2019 v.11 no.4 pp. 4649-4653
ISSN:
1944-8252
Subject:
Internet; electric current; electronic equipment; light intensity; lighting; neurons
Abstract:
... Light-based information processing has the potential to increase speed, security, and scalability of electronic devices if issues in the device complexity could be resolved. We here demonstrate an integrated nanoelectronic device that can combine, store, and manipulate optical and electronic information. Employing a mechanically flexible and multilayered structure, a device is realized that shows ...
DOI:
10.1021/acsami.8b19424

9. Method To Detect Ethanol Vapor in High Humidity by Direct Reflection on a Xerogel Coating

Author:
Dalstein, Olivier; Tabo, Maxime; Alvarez, Elsa; Roux, Lucas; Garuz, Richard; Pasquinelli, Marcel; Azzi, Lhoucine; Bendahan, Marc; Aguir, Khalifa; Loizillon, Jérôme; Abbarchi, Marco; Grosso, David
Source:
ACS applied materials & interfaces 2019 v.11 no.4 pp. 4439-4446
ISSN:
1944-8252
Subject:
adsorption; air; coatings; ethanol; porous media; refractive index; relative humidity; silica; temperature; vapors; volatile organic compounds; xerogels
Abstract:
... A simple double thin-film coating-based device is proposed to quantify the ethanol content in humid air featuring a 10 ppm resolution and spanning a dynamic range from 0 to 1000 ppm. The transduction involves the measurement of the direct optical reflection intensity, changing upon refractive index variations induced by water and ethanol adsorption within the coatings. The first thin-film coating ...
DOI:
10.1021/acsami.8b20479

10. Osteoinductivity of Porous Biphasic Calcium Phosphate Ceramic Spheres with Nanocrystalline and Their Efficacy in Guiding Bone Regeneration

Author:
Li, Xiangfeng; Song, Tao; Chen, Xuening; Wang, Menglu; Yang, Xiao; Xiao, Yumei; Zhang, Xingdong
Source:
ACS applied materials & interfaces 2019 v.11 no.4 pp. 3722-3736
ISSN:
1944-8252
Subject:
adsorption; alginates; apatite; bone formation; ceramics; dogs; granules; medicine; nanocrystals; rabbits
Abstract:
... Conventional biphasic calcium phosphate (BCP) bioceramics are facing many challenges to meet the demands of regenerative medicine, and their biological properties are limited to a large extent due to the large grain size in comparison with nanocrystalline of natural bone mineral. Herein, this study aimed to fabricate porous BCP ceramic spheres with nanocrystalline (BCP-N) by combining alginate gel ...
DOI:
10.1021/acsami.8b18525

11. Simultaneous Encapsulation of Nano-Si in Redox Assembled rGO Film as Binder-Free Anode for Flexible/Bendable Lithium-Ion Batteries

Author:
Cai, Xin; Liu, Wen; Zhao, Zhongqiang; Li, Simeng; Yang, Siyuan; Zhang, Shengsen; Gao, Qiongzhi; Yu, Xiaoyuan; Wang, Hongqiang; Fang, Yueping
Source:
ACS applied materials & interfaces 2019 v.11 no.4 pp. 3897-3908
ISSN:
1944-8252
Subject:
anodes; cathodes; electrochemistry; electronics; encapsulation; energy; films (materials); foil; graphene; graphene oxide; lithium; lithium batteries; nanoparticles; nanosheets; silicon; strength (mechanics)
Abstract:
... The emerging ubiquitous flexible/wearable electronics are in high demand for compatible flexible/high-energy rechargeable batteries, which set a collaborative goal to promote the electrochemical performance and the mechanical strength of the fundamental flexible electrodes involved. Herein, freestanding flexible electrode of Si/graphene films is proposed, which is fabricated through a scalable, zi ...
DOI:
10.1021/acsami.8b18134

12. Staging Phenomena in Lithium-Intercalated Boron–Carbon

Author:
Kalkan, Bora; Ozdas, Engin
Source:
ACS applied materials & interfaces 2019 v.11 no.4 pp. 4111-4122
ISSN:
1944-8252
Subject:
X-ray diffraction; anisotropy; cathodes; compressibility; isotropy; lithium batteries; models; superconductivity
Abstract:
... Hole-doped LiBC has become of great interest as a candidate for high-temperature superconductivity with its structural similarity to MgB₂ and as a possible cathode for rechargeable lithium batteries with the large graphenelike BC hexagons. The limitation on synthesis studies has detracted from the structural and electronic properties and application studies of LiₓBC. Here, we present the successfu ...
DOI:
10.1021/acsami.8b19142

13. Achieving High Doping Concentration by Dopant Vapor Deposition in Organic Solar Cells

Author:
Yan, Han; Tang, Yabing; Meng, Xiangyi; Xiao, Tong; Lu, Guanghao; Ma, Wei
Source:
ACS applied materials & interfaces 2019 v.11 no.4 pp. 4178-4184
ISSN:
1944-8252
Subject:
annealing; solar cells; vapors
Abstract:
... Compared with the interfacial doping, molecular doping in bulk heterojunction (BHJ) is a more direct but challenging approach to optimize the photovoltaic performance in organic solar cells (OSCs). One of the main obstacles for its success is the low doping concentration because of the morphological damage. Starting from the phase diagram analysis, we discover that the unpreferred good miscibility ...
DOI:
10.1021/acsami.8b16162

14. Band Alignment of the CdS/Cu₂Zn(Sn₁–ₓGeₓ)Se₄ Heterointerface and Electronic Properties at the Cu₂Zn(Sn₁–ₓGeₓ)Se₄ Surface: x = 0, 0.2, and 0.4

Author:
Nagai, Takehiko; Shimamura, Takuya; Tanigawa, Kohei; Iwamoto, Yuya; Hamada, Hiroya; Ohta, Nobuyoshi; Kim, Shinho; Tampo, Hitoshi; Shibata, Hajime; Matsubara, Koji; Niki, Shigeru; Terada, Norio
Source:
ACS applied materials & interfaces 2019 v.11 no.4 pp. 4637-4648
ISSN:
1944-8252
Subject:
X-ray photoelectron spectroscopy; cadmium; germanium; solar cells; tin
Abstract:
... The surface electronic properties of the light absorber and band alignment at the p/n heterointerface are key issues for high-performance heterojunction solar cells. We investigated the band alignment of the heterointerface between cadmium sulfide (CdS) and Ge-incorporated Cu₂ZnSnSe₄ (CZTGSe), with Ge/(Ge + Sn) ratios (x) between 0 and 0.4, by X-ray photoelectron, ultraviolet, and inversed photoem ...
DOI:
10.1021/acsami.8b19200

15. Boosting the Electrocatalytic Water Oxidation Performance of CoFe₂O₄ Nanoparticles by Surface Defect Engineering

Author:
Ou, Gang; Wu, Fengchi; Huang, Kai; Hussain, Naveed; Zu, Di; Wei, Hehe; Ge, Binghui; Yao, Huizhen; Liu, Lai; Li, Henan; Shi, Yumeng; Wu, Hui
Source:
ACS applied materials & interfaces 2019 v.11 no.4 pp. 3978-3983
ISSN:
1944-8252
Subject:
crystal structure; engineering; nanoparticles; oxidation; oxides; oxygen production
Abstract:
... Spinel oxides have attracted widespread interest for electrocatalytic applications owing to their unique crystal structure and properties. The surface structure of spinel oxides significantly influences the electrocatalytic performance of spinel oxides. Herein, we report a Li reduction strategy that can quickly tune the surface structure of CoFe₂O₄ (CFO) nanoparticles and optimize its electrocatal ...
DOI:
10.1021/acsami.8b19265

16. Electrochemical Biosensor for DNA Methylation Detection through Hybridization Chain-Amplified Reaction Coupled with a Tetrahedral DNA Nanostructure

Author:
Chen, Xi; Huang, Jian; Zhang, Shu; Mo, Fei; Su, Shasha; Li, Yan; Fang, Lichao; Deng, Jun; Huang, Hui; Luo, Zhaoxun; Zheng, Junsong
Source:
ACS applied materials & interfaces 2019 v.11 no.4 pp. 3745-3752
ISSN:
1944-8252
Subject:
DNA; DNA methylation; DNA probes; biomarkers; biosensors; catalytic activity; electrodes; gold; hybridization chain reaction; nanogold; neoplasms; pathogenesis; peroxidase; prognosis; restriction endonucleases
Abstract:
... DNA methylation is a key factor in the pathogenesis of gene expression diseases or malignancies. Thus, it has become a significant biomarker for the diagnosis and prognosis of these diseases. In this paper, we designed an ultrasensitive and specific electrochemical biosensor for DNA methylation detection. The platform consisted of stem–loop–tetrahedron composite DNA probes anchoring at a Au nanopa ...
DOI:
10.1021/acsami.8b20144

17. MoSe₂–Cu₂S Vertical p–n Nanoheterostructures for High-Performance Photodetectors

Author:
Hassan, Md. Samim; Bera, Susnata; Gupta, Divya; Ray, Samit K.; Sapra, Sameer
Source:
ACS applied materials & interfaces 2019 v.11 no.4 pp. 4074-4083
ISSN:
1944-8252
Subject:
copper; molybdenum; photons; selenium; sulfides
Abstract:
... Heterostructures based on atomically thin two-dimensional layered transition metal dichalcogenides are highly promising for optoelectronic device applications owing to their tunable optical and electronic properties. However, the synthesis of heterostructures with desired materials having proper interfacial contacts has been a challenging task. Here, we develop a colloidal synthetic route for the ...
DOI:
10.1021/acsami.8b16205

18. Star-Shaped Block Copolymers: Effective Polymer Gelators of High-Performance Gel Electrolytes for Electrochemical Devices

Author:
Hwang, Heedong; Park, So Yeong; Kim, Jin Kon; Kim, Yong Min; Moon, Hong Chul
Source:
ACS applied materials & interfaces 2019 v.11 no.4 pp. 4399-4407
ISSN:
1944-8252
Subject:
composite polymers; deformation; durability; electrochemistry; electrolytes; electronics; gels; ionic liquids; mechanical properties; molecular weight; polymethylmethacrylate; ruthenium
Abstract:
... Ion gels composed of copolymers and ionic liquids (ILs) have attracted great interest as polymer gel electrolytes for various electrochemical applications. Here, we present highly robust ion gels based on a six-arm star-shaped block copolymer of (poly(methyl methacrylate)-b-polystyrene)₆ ((MS)₆) and an ionic liquid of 1-ethyl-3-methylimidazolium bis(trifluoromethyl sulfonyl)imide ([EMI][TFSI]). Co ...
DOI:
10.1021/acsami.8b20004

19. Three-Dimensional Printing of Abrasive, Hard, and Thermally Conductive Synthetic Microdiamond–Polymer Composite Using Low-Cost Fused Deposition Modeling Printer

Author:
Waheed, Sidra; Cabot, Joan M.; Smejkal, Petr; Farajikhah, Syamak; Sayyar, Sepidar; Innis, Peter C.; Beirne, Stephen; Barnsley, Grant; Lewis, Trevor W.; Breadmore, Michael C.; Paull, Brett
Source:
ACS applied materials & interfaces 2019 v.11 no.4 pp. 4353-4363
ISSN:
1944-8252
Subject:
composite materials; extrusion; functional properties; heat; hydrophilicity; models; modulus of elasticity; stainless steel; styrene; thermal conductivity; titanium
Abstract:
... A relative lack of printable materials with tailored functional properties limits the applicability of three-dimensional (3D) printing. In this work, a diamond–acrylonitrile butadiene styrene (ABS) composite filament for use in 3D printing was created through incorporation of high-pressure and high-temperature (HPHT) synthetic microdiamonds as a filler. Homogenously distributed diamond composite f ...
DOI:
10.1021/acsami.8b18232

20. Ultrathin GeSe Nanosheets: From Systematic Synthesis to Studies of Carrier Dynamics and Applications for a High-Performance UV–Vis Photodetector

Author:
Ma, Dingtao; Zhao, Jinlai; Wang, Rui; Xing, Chenyang; Li, Zhongjun; Huang, Weichun; Jiang, Xiantao; Guo, Zhinan; Luo, Zhengqian; Li, Yu; Li, Jianqing; Luo, Shaojuan; Zhang, Yupeng; Zhang, Han
Source:
ACS applied materials & interfaces 2019 v.11 no.4 pp. 4278-4287
ISSN:
1944-8252
Subject:
electrolytes; energy; germanium; light intensity; liquids; nanosheets; phosphorus; semiconductors; spectroscopy
Abstract:
... Owing to the attractive energy band properties, a black phosphorus (BP)-analogue semiconductor, germanium selenide (GeSe), shows a promising potential applied for optoelectronic devices. Herein, ultrathin GeSe nanosheets were systematically prepared via a facile liquid-phase exfoliation approach, with controllable nanoscale thickness. Different from BP, ultrathin GeSe nanosheets exhibit good stabi ...
DOI:
10.1021/acsami.8b19836