Related Experiment Video
Updated: Jan 28, 2026
09:11
Synthesis of Near-Infrared Emitting Gold Nanoclusters for Biological Applications
Published on: March 22, 2020
8.4K
Gold-Nanocluster-Assisted Nanotransfer Printing Method for Metasurface Hologram Fabrication
Soon Hyoung Hwang1, Jaebum Cho2, Sohee Jeon3
1Research Institute of Advanced Materials (RIAM), Department of Materials Science and Engineering, Seoul National University, Seoul, 08826, South Korea.
Scientific Reports
|March 1, 2019
Summary
This study introduces a low-cost, rapid method for fabricating metasurface holograms using nanotransfer printing. This technique overcomes the limitations of expensive equipment, enabling faster and repeatable hologram production.
Area of Science:
- Optics and Photonics
- Materials Science
- Nanotechnology
Background:
- Metasurfaces enable holographic image generation via nanoscale patterning.
- Current fabrication methods (e.g., electron-beam lithography) are costly and time-consuming.
- There is a need for efficient, scalable metasurface hologram fabrication.
Purpose of the Study:
- To develop a cost-effective and rapid method for fabricating metasurface holograms.
- To utilize nanotransfer printing for precise nanoscale pattern transfer.
- To overcome the limitations of existing metasurface fabrication techniques.
Main Methods:
- Employing nanotransfer printing assisted by gold (Au) nanoclusters.
- Controlling bonding energy through the shape of the deposited Au layer.
- Forming robust covalent bonds between adhesive (Si) and substrate (SiO2) for rapid transfer.
Main Results:
- Successfully fabricated metasurface holograms with nanoscale patterns.
- Achieved rapid and robust transfer of Au patterns onto a transparent substrate.
- Verified that the fabricated holograms match computer-generated designs.
Conclusions:
- The proposed nanotransfer printing method offers a low-cost, fast, and repeatable approach for metasurface hologram fabrication.
- This technique facilitates the use of various metals for creating diverse metasurfaces.
- The method represents a significant advancement for scalable holographic metasurface production.
Related Concept Videos
01:08Matrix-Assisted Laser Desorption Ionization (MALDI)
1.2K
Matrix-assisted laser desorption ionization (MALDI) is a powerful analytical technique used in mass spectrometry. It enables the identification and characterization of various biomolecules, including proteins, peptides, nucleic acids, and carbohydrates. MALDI is an ionization technique, widely employed in biological and medical research, as well as in fields like pharmacology and biochemistry.The analyte of interest, a biomolecule or a mixture of biomolecules, is mixed with a suitable matrix...
1.2K
01:29Methods of Sterilization I: Physical Methods
23.6K
As used in a healthcare facility, sterilization destroys all microorganisms through physical or chemical methods. The physical method includes steam, dry heat, boiling water, and radiation.
Steam sterilization uses non-toxic, low-cost moist heat in the form of saturated steam under pressure, which is fast, microbicidal, and sporicidal, and quickly warms and penetrates fabrics. Autoclaves, or steam sterilizers, expose each item to direct steam contact for a predetermined time at the necessary...
Steam sterilization uses non-toxic, low-cost moist heat in the form of saturated steam under pressure, which is fast, microbicidal, and sporicidal, and quickly warms and penetrates fabrics. Autoclaves, or steam sterilizers, expose each item to direct steam contact for a predetermined time at the necessary...
23.6K
03:50The Scientific Method
65.9K
Chemistry is an empirical science. Scientists often pose questions to understand the chemistry in everyday life and seek answers to these questions. To achieve this, scientists follow a definitive series of steps that together make up the Scientific Method. This approach involves making observations, asking questions, building a hypothesis, conducting experiments, analyzing results, and forming a conclusion.
65.9K
01:32The Scientific Method
264.1K
The scientific method is a detailed, empirical problem-solving process used by biologists and other scientists. This iterative approach involves formulating a question based on observation, developing a testable potential explanation for the observation (called a hypothesis), making and testing predictions based on the hypothesis, and using the findings to create new hypotheses and predictions.
Generally, predictions are tested using carefully-designed experiments. Based on the outcome of these...
Generally, predictions are tested using carefully-designed experiments. Based on the outcome of these...
264.1K
01:30Methods of Sterilization II: Chemical Methods
9.0K
In healthcare, the chemical method of sterilization uses chemical sterilants to treat surgical instruments and medical supplies to help prevent the transmission of infectious pathogens to patients. Due to heat sensitivity, most medical supplies and equipment should not be exposed to high temperatures. These parts include rubber, plastic, glass, and other similar elements.
Using chemical sterilization rather than heat to clean out equipment is recommended. It eradicates and removes all bacteria,...
Using chemical sterilization rather than heat to clean out equipment is recommended. It eradicates and removes all bacteria,...
9.0K
01:30Newton’s Method
60
Newton’s Method is a powerful iterative technique for approximating the roots of real-valued, differentiable functions, particularly when analytical solutions are impractical. This approach is widely used in scientific computing, engineering, and finance, where equations may be too complex for traditional algebraic methods to handle. The method relies on an iterative process that refines an initial estimate using the function’s derivative to approach the true solution progressively.
60