Related Experiment Video
Updated: Feb 16, 2026
08:43
Effect of Bending on the Electrical Characteristics of Flexible Organic Single Crystal-based Field-effect Transistors
Published on: November 7, 2016
8.5K
Ultrasensitive Flexible Proximity Sensor Based on Organic Crystal for Location Detection
Haiting Wang1, Qingxin Tang1, Xiaoli Zhao1
1Center for Advanced Optoelectronic Functional Materials Research, and Key Laboratory of UV-Emitting Materials and Technology of Ministry of Education, Northeast Normal University , 5268 Renmin Street, Changchun 130024, China.
ACS Applied Materials & Interfaces
|December 30, 2017
Summary
Researchers developed a flexible organic crystal proximity sensor with 0.05 mm resolution, significantly outperforming existing sensors. This breakthrough enables ultrasensitive object perception for AI and robotics.
Area of Science:
- Materials Science
- Sensor Technology
- Organic Electronics
Background:
- Conventional proximity sensors have limitations in resolution and flexibility.
- There is a need for highly sensitive and adaptable proximity sensing technologies.
Purpose of the Study:
- To demonstrate a novel flexible proximity sensor utilizing a microsized organic crystal.
- To achieve unprecedented distance resolution and object detection capabilities.
Main Methods:
- Fabrication of a two-terminal organic sensor based on organic crystals.
- Testing sensor performance with various objects including human fingers and AFM tips.
- Development of a new method for location detection of approaching charged objects.
Main Results:
- The organic proximity sensor accurately detects external objects with high precision.
- Achieved a distance resolution of 0.05 mm, two orders of magnitude better than conventional sensors.
- Demonstrated a novel method for location detection based on stimulus-sensor distance.
Conclusions:
- The developed organic crystal sensor offers ultrasensitive object perception.
- This technology presents a promising new direction for advanced sensing applications.
- Potential applications include artificial intelligence, healthcare systems, and high-precision robotics.
Related Concept Videos
02:42Ionic Crystal Structures
18.1K
Ionic crystals consist of two or more different kinds of ions that usually have different sizes. The packing of these ions into a crystal structure is more complex than the packing of metal atoms that are the same size.
Most monatomic ions behave as charged spheres, and their attraction for ions of opposite charge is the same in every direction. Consequently, stable structures for ionic compounds result (1) when ions of one charge are surrounded by as many ions as possible of the opposite...
Most monatomic ions behave as charged spheres, and their attraction for ions of opposite charge is the same in every direction. Consequently, stable structures for ionic compounds result (1) when ions of one charge are surrounded by as many ions as possible of the opposite...
18.1K
02:58Crystal Field Theory - Octahedral Complexes
31.0K
Crystal Field Theory
To explain the observed behavior of transition metal complexes (such as colors), a model involving electrostatic interactions between the electrons from the ligands and the electrons in the unhybridized d orbitals of the central metal atom has been developed. This electrostatic model is crystal field theory (CFT). It helps to understand, interpret, and predict the colors, magnetic behavior, and some structures of coordination compounds of transition metals.
CFT focuses on...
To explain the observed behavior of transition metal complexes (such as colors), a model involving electrostatic interactions between the electrons from the ligands and the electrons in the unhybridized d orbitals of the central metal atom has been developed. This electrostatic model is crystal field theory (CFT). It helps to understand, interpret, and predict the colors, magnetic behavior, and some structures of coordination compounds of transition metals.
CFT focuses on...
31.0K
01:25Crystal Growth: Principles of Crystallization
5.2K
Crystallization is a phase transformation process in which crystals are precipitated from a supersaturated solution or formed from other sources. During crystallization, atoms or molecules arrange themselves into a well-defined, rigid crystal lattice to minimize energy.
Initiating crystallization involves manipulating the concentration of the solute and the temperature of the solution. Since crystal growth occurs when the ratio of concentration and solubility of the solute in the solvent...
Initiating crystallization involves manipulating the concentration of the solute and the temperature of the solution. Since crystal growth occurs when the ratio of concentration and solubility of the solute in the solvent...
5.2K
01:13Location and Orientation of the Heart
11.0K
The human heart, despite its modest size and weight, is an organ of remarkable strength and endurance. Roughly the size of a fist, the heart weighs between 250 and 350 grams and is nestled within the mediastinum, the medial cavity of the thorax. It extends obliquely for about 12 to 14 cm, resting on the superior surface of the diaphragm. The heart is positioned anterior to the vertebral column and posterior to the sternum, with two-thirds of its mass lying to the left of the midsternal line.
11.0K
01:21Perceiving Loudness, Pitch, and Location
1.0K
The human brain perceives pitch through two primary mechanisms reflected in place theory and frequency theory. Each mechanism describes how sound waves are interpreted as specific pitches by the brain, offering insights into the intricate processes of auditory perception.
Place theory, or place coding, suggests that different pitches are heard because various sound waves activate specific locations along the cochlea's basilar membrane. The brain determines the pitch of a sound by...
Place theory, or place coding, suggests that different pitches are heard because various sound waves activate specific locations along the cochlea's basilar membrane. The brain determines the pitch of a sound by...
1.0K
01:25Selected Data About Geographic Locations
279
Geographic Information Systems (GIS) rely on two core types of data: spatial data and attribute data.Spatial DataSpatial data defines the physical location of features within a coordinate system, typically expressed in terms of latitude and longitude. It provides precise positioning for elements like roads, rivers, or buildings.Attribute DataAttribute data complements spatial data by adding descriptive information about these features. For example, a road's spatial data includes its start and...
279