Light Manipulation for High-Performance Organic Optoelectronics

2014 ◽  
Author(s):  
Jianxin Tang
Keyword(s):  
High Performance ◽  
Organic Optoelectronics ◽  
Light Manipulation

scholarly journals Design of highly efficient deep-blue organic afterglow through guest sensitization and matrices rigidification

2020 ◽  
Vol 11 (1) ◽  
Author(s):  
Shen Xu ◽  
Wu Wang ◽  
Hui Li ◽  
Jingyu Zhang ◽  
Runfeng Chen ◽  
...  
Keyword(s):  
High Performance ◽  
Blue Emission ◽  
High Energy ◽  
Quantum Yields ◽  
Stimuli Responsive ◽  
Responsive Materials ◽  
Organic Optoelectronics ◽  
Deep Blue ◽  
Formidable Challenge ◽  
High Efficient

Abstract Blue/deep-blue emission is crucial for organic optoelectronics but remains a formidable challenge in organic afterglow due to the difficulties in populating and stabilizing the high-energy triplet excited states. Here, a facile strategy to realize the efficient deep-blue organic afterglow is proposed via host molecules to sensitize the triplet exciton population of guest and water implement to suppress the non-radiative decays by matrices rigidification. A series of highly luminescent deep-blue (405–428 nm) organic afterglow materials with lifetimes up to 1.67 s and quantum yields of 46.1% are developed. With these high-performance water-responsive materials, lifetime-encrypted rewritable paper has been constructed for water-jet printing of high-resolution anti-counterfeiting patterns that can retain for a long time (>1 month) and be erased by dimethyl sulfoxide vapor in 15 min with high reversibility for many write/erase cycles. These results provide a foundation for the design of high-efficient blue/deep-blue organic afterglow and stimuli-responsive materials with remarkable applications.

scholarly journals A carbon-doped tantalum dioxyfluoride as a superior electron transport material for high performance organic optoelectronics

Nano Energy ◽  
2020 ◽  
Vol 70 ◽  
pp. 104508 ◽  
Author(s):  
Maria Vasilopoulou ◽  
Abd Rashid Bin Mohd Yusoff ◽  
Navaratnarajah Kuganathan ◽  
Xichang Bao ◽  
Apostolis Verykios ◽  
...  
Keyword(s):  
Electron Transport ◽  
High Performance ◽  
Carbon Doped ◽  
Organic Optoelectronics

scholarly journals Light Manipulation for Organic Optoelectronics Using Bio-inspired Moth's Eye Nanostructures

2014 ◽  
Vol 4 (1) ◽  
Author(s):  
Lei Zhou ◽  
Qing-Dong Ou ◽  
Jing-De Chen ◽  
Su Shen ◽  
Jian-Xin Tang ◽  
...  
Keyword(s):  
Organic Optoelectronics ◽  
Light Manipulation

scholarly journals Frontiers of light manipulation in natural, metallic, and dielectric nanostructures

2021 ◽  
Author(s):  
E. De Tommasi ◽  
E. Esposito ◽  
S. Romano ◽  
A. Crescitelli ◽  
V. Di Meo ◽  
...  
Keyword(s):  
Optical Sensors ◽  
High Performance ◽  
Field Enhancement ◽  
Cutting Edge ◽  
Optical Systems ◽  
Periodic Nanostructures ◽  
Light Manipulation ◽  
Propagation Of Light ◽  
Control Light ◽  
Spectral Ranges

AbstractThe ability to control light at the nanoscale is at the basis of contemporary photonics and plasmonics. In particular, properly engineered periodic nanostructures not only allow the inhibition of propagation of light at specific spectral ranges or its confinement in nanocavities or waveguides, but make also possible field enhancement effects in vibrational, Raman, infrared and fluorescence spectroscopies, paving the way to the development of novel high-performance optical sensors. All these devices find an impressive analogy in nearly-periodic photonic nanostructures present in several plants, animals and algae, which can represent a source of inspiration in the development and optimization of new artificial nano-optical systems. Here we present the main properties and applications of cutting-edge nanostructures starting from several examples of natural photonic architectures, up to the most recent technologies based on metallic and dielectric metasurfaces.

Aluminum/MoO3anode thin films: an effective anode structure for high-performance flexible organic optoelectronics

2012 ◽  
Vol 33 (1) ◽  
pp. 013003 ◽  
Author(s):  
Lei Ding ◽  
Fanghui Zhang ◽  
Ying Ma ◽  
Maili Zhang
Keyword(s):  
Thin Films ◽  
High Performance ◽  
Organic Optoelectronics

scholarly journals Engineering Dielectric Materials for High-Performance Organic Light Emitting Transistors (OLETs)

Materials ◽  
2021 ◽  
Vol 14 (13) ◽  
pp. 3756
Author(s):  
Caterina Soldano
Keyword(s):  
High Performance ◽  
Gate Dielectrics ◽  
New Technology ◽  
Thin Film Transistor ◽  
Building Blocks ◽  
Dielectric Materials ◽  
Light Emitting ◽  
Light Manipulation ◽  
Organic Light ◽  
Light Emitting Transistors

Organic light emitting transistors (OLETs) represent a relatively new technology platform in the field of optoelectronics. An OLET is a device with a two-fold functionality since it behaves as a thin-film transistor and at the same time can generate light under appropriate bias conditions. This Review focuses mainly on one of the building blocks of such device, namely the gate dielectrics, and how it is possible to engineer it to improve device properties and performances. While many findings on gate dielectrics can be easily applied to organic light emitting transistors, we here concentrate on how this layer can be exploited and engineered as an active tool for light manipulation in this novel class of optoelectronic devices.

Oxidized Gold Thin Films: An Effective Material for High-Performance Flexible Organic Optoelectronics

2009 ◽  
Vol 22 (18) ◽  
pp. 2037-2040 ◽  
Author(s):  
Michael G. Helander ◽  
Zhi-Bin Wang ◽  
Mark T. Greiner ◽  
Zhi-Wei Liu ◽  
Jacky Qiu ◽  
...  
Keyword(s):  
Thin Films ◽  
High Performance ◽  
Organic Optoelectronics ◽  
Gold Thin Films

A High Performance Energy Analyzer for Use in Electron Scanning Microscopy

1969 ◽  
Vol 27 ◽  
pp. 14-15
Author(s):  
A. V. Crewe ◽  
M. Isaacson ◽  
D. Johnson
Keyword(s):  
High Performance ◽  
Vertical Plane ◽  
Median Plane ◽  
Electron Gun ◽  
Uniform Field ◽  
Loss Mechanism ◽  
Electron Scanning Microscopy ◽  
Sector Type ◽  
Double Focusing ◽  
Electron Energy Loss

A double focusing magnetic spectrometer has been constructed for use with a field emission electron gun scanning microscope in order to study the electron energy loss mechanism in thin specimens. It is of the uniform field sector type with curved pole pieces. The shape of the pole pieces is determined by requiring that all particles be focused to a point at the image slit (point 1). The resultant shape gives perfect focusing in the median plane (Fig. 1) and first order focusing in the vertical plane (Fig. 2).

Vacuum System to Minimize the Specimen Contamination of High-Performance EM

1977 ◽  
Vol 35 ◽  
pp. 68-69
Author(s):  
N. Yoshimura ◽  
K. Shirota ◽  
T. Etoh
Keyword(s):  
Electron Microscope ◽  
High Speed ◽  
High Performance ◽  
High Vacuum ◽  
Vacuum System ◽  
Pump System ◽  
Pumping System ◽  
Diffusion Pump ◽  
Almost All ◽  
Cascade Type

One of the most important requirements for a high-performance EM, especially an analytical EM using a fine beam probe, is to prevent specimen contamination by providing a clean high vacuum in the vicinity of the specimen. However, in almost all commercial EMs, the pressure in the vicinity of the specimen under observation is usually more than ten times higher than the pressure measured at the punping line. The EM column inevitably requires the use of greased Viton O-rings for fine movement, and specimens and films need to be exchanged frequently and several attachments may also be exchanged. For these reasons, a high speed pumping system, as well as a clean vacuum system, is now required. A newly developed electron microscope, the JEM-100CX features clean high vacuum in the vicinity of the specimen, realized by the use of a CASCADE type diffusion pump system which has been essentially improved over its predeces- sorD employed on the JEM-100C.

Use of the Magnetostatic Analogue In Electromagnetic Lens Engineering

1970 ◽  
Vol 28 ◽  
pp. 360-361
Author(s):  
John W. Coleman
Keyword(s):  
Boundary Conditions ◽  
High Performance ◽  
Force Fields ◽  
Optical Design ◽  
Direct Conversion ◽  
Design Engineering ◽  
Design Data ◽  
Scalar Potentials ◽  
Geometric Elements ◽  
At Will

In the design engineering of high performance electromagnetic lenses, the direct conversion of electron optical design data into drawings for reliable hardware is oftentimes difficult, especially in terms of how to mount parts to each other, how to tolerance dimensions, and how to specify finishes. An answer to this is in the use of magnetostatic analytics, corresponding to boundary conditions for the optical design. With such models, the magnetostatic force on a test pole along the axis may be examined, and in this way one may obtain priority listings for holding dimensions, relieving stresses, etc..The development of magnetostatic models most easily proceeds from the derivation of scalar potentials of separate geometric elements. These potentials can then be conbined at will because of the superposition characteristic of conservative force fields.

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