Synthesis of large-area ultrathin graphdiyne films at an air–water interface and their application in memristors

2020 ◽  
Vol 4 (4) ◽  
pp. 1268-1273 ◽  
Author(s):  
Wanhui Li ◽  
Jie Liu ◽  
Yanxia Yu ◽  
Guangyuan Feng ◽  
Yaru Song ◽  
...  
Keyword(s):  
Resistance Switching ◽  
Simple Approach ◽  
Switching Behavior ◽  
Water Interface ◽  
Large Area ◽  
Data Retention ◽  
Air Water Interface

A simple approach was developed to fabricate large-area homogeneous GDY films at an air/water interface; the obtained GDY films exhibit steady nonvolatile resistance switching behavior with excellent data retention capability and high on/off ratio.

Organized monolayers and monolayer assemblies as potential components of molecular devices

1990 ◽  
Vol 68 (9) ◽  
pp. 992-998 ◽  
Author(s):  
Dietmar Möbius
Keyword(s):  
Signal Transmission ◽  
Modern Science ◽  
Local Environment ◽  
Ion Concentration ◽  
Molecular Devices ◽  
Water Interface ◽  
Large Area ◽  
Electrical Potentials ◽  
Reactive Center ◽  
Air Water Interface

The assembly of molecules to functional units and their interconnection in molecular dimensions to achieve processes like sensing, signal storage and processing, or catalysis of particular reactions is a challenge to modern science. Various phenomena are reviewed that may be considered relevant to the design and construction of molecular devices. The propagation of mechanical excitations of the monolayer-covered air–water interface as a model for signal transmission has been investigated using energy-transfer processes or fast formation of dye aggregates for optical detection. The lateral conductivity in specially designed monolayers can be modulated photochemically, thus providing a possibility of switching. Fast transfer of energy by incoherent exciton hopping can be used to harvest light by concentrating the energy absorbed in large area on a reactive center. Molecular fluorescent probes are sensors for electrical potentials, structure of the local environment, and average ion concentration. At the air–water interface, molecules may self-organize to larger units with new properties. Examples are the formation of extended two-dimensional aggregates of dyes and the reorganization of mixed monolayers to form a replica of adsorbed molecules.

Fabrication of Large-Area, Transferable Colloidal Monolayers Utilizing Self-Assembly at the Air/Water Interface

2009 ◽  
Vol 210 (3-4) ◽  
pp. 230-241 ◽  
Author(s):  
Markus Retsch ◽  
Zuocheng Zhou ◽  
Sergio Rivera ◽  
Michael Kappl ◽  
Xiu Song Zhao ◽  
...  
Keyword(s):  
Self Assembly ◽  
Water Interface ◽  
Large Area ◽  
Air Water Interface

Large-area, transferable sub-10 nm polymer membranes at the air–water interface

Nano Research ◽  
2018 ◽  
Vol 11 (7) ◽  
pp. 3833-3843 ◽  
Author(s):  
Ya Huang ◽  
Kai Huang ◽  
Naveed Hussain ◽  
Hidetoshi Matsumoto ◽  
Hui Wu
Keyword(s):  
Polymer Membranes ◽  
Water Interface ◽  
Large Area ◽  
Air Water Interface

Large Area Synthesis of a Nanoporous Two-Dimensional Polymer at the Air/Water Interface

2015 ◽  
Vol 137 (10) ◽  
pp. 3450-3453 ◽  
Author(s):  
Daniel J. Murray ◽  
Dustin D. Patterson ◽  
Payam Payamyar ◽  
Radha Bhola ◽  
Wentao Song ◽  
...  
Keyword(s):  
Water Interface ◽  
Two Dimensional ◽  
Large Area ◽  
Air Water Interface

Colloidal monolayer at the air/water interface: Large-area self-assembly and in-situ annealing

2013 ◽  
Vol 544 ◽  
pp. 557-561 ◽  
Author(s):  
Jie Yu ◽  
Lu Zheng ◽  
Chong Geng ◽  
Xiuyu Wang ◽  
Qingfeng Yan ◽  
...  
Keyword(s):  
Self Assembly ◽  
Water Interface ◽  
Large Area ◽  
Colloidal Monolayer ◽  
Air Water Interface

Sampling and analysis of the air-water interface with SEM and EDS of microlayers

1989 ◽  
Vol 47 ◽  
pp. 1004-1005
Author(s):  
Randall W. Smith ◽  
John Dash
Keyword(s):  
Heavy Metals ◽  
Surface Microlayer ◽  
Surface Films ◽  
Water Interface ◽  
Physical Processes ◽  
Infrared Spectroscopic Analysis ◽  
Eds Analysis ◽  
Air Water Interface ◽  
Significant Area ◽  
Bulk Chemical

The structure of the air-water interface forms a boundary layer that involves biological ,chemical geological and physical processes in its formation. Freshwater and sea surface microlayers form at the air-water interface and include a diverse assemblage of organic matter, detritus, microorganisms, plankton and heavy metals. The sampling of microlayers and the examination of components is presently a significant area of study because of the input of anthropogenic materials and their accumulation at the air-water interface. The neustonic organisms present in this environment may be sensitive to the toxic components of these inputs. Hardy reports that over 20 different methods have been developed for sampling of microlayers, primarily for bulk chemical analysis. We report here the examination of microlayer films for the documentation of structure and composition.Baier and Gucinski reported the use of Langmuir-Blogett films obtained on germanium prisms for infrared spectroscopic analysis (IR-ATR) of components. The sampling of microlayers has been done by collecting fi1ms on glass plates and teflon drums, We found that microlayers could be collected on 11 mm glass cover slips by pulling a Langmuir-Blogett film from a surface microlayer. Comparative collections were made on methylcel1ulose filter pads. The films could be air-dried or preserved in Lugol's Iodine Several slicks or surface films were sampled in September, 1987 in Chesapeake Bay, Maryland and in August, 1988 in Sequim Bay, Washington, For glass coverslips the films were air-dried, mounted on SEM pegs, ringed with colloidal silver, and sputter coated with Au-Pd, The Langmuir-Blogett film technique maintained the structure of the microlayer intact for examination, SEM observation and EDS analysis were then used to determine organisms and relative concentrations of heavy metals, using a Link AN 10000 EDS system with an ISI SS40 SEM unit. Typical heavy microlayer films are shown in Figure 3.

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