Spin-orbital coupling effects on light-emitting properties in organic and perovskite materials through orbital and spin polarizations in spontaneous and stimulated emission

2021 ◽  
Author(s):  
Bin Hu
Keyword(s):  
Stimulated Emission ◽  
Coupling Effects ◽  
Spin Orbital ◽  
Light Emitting ◽  
Perovskite Materials ◽  
Spin Orbital Coupling

Strain and Spin–Orbital Coupling Effects on Electronic Structures and Magnetism of Semi-Hydrogenated Stanene

2016 ◽  
Vol 120 (19) ◽  
pp. 10622-10628 ◽  
Author(s):  
Wenqi Xiong ◽  
Congxin Xia ◽  
Tianxing Wang ◽  
Yuting Peng ◽  
Yu Jia
Keyword(s):  
Electronic Structures ◽  
Coupling Effects ◽  
Spin Orbital ◽  
Spin Orbital Coupling

Prediction of spin–orbital coupling effects on the electronic structure of two dimensional van der Waals heterostructures

2015 ◽  
Vol 17 (46) ◽  
pp. 31253-31259 ◽  
Author(s):  
Baiqing You ◽  
Xiaocha Wang ◽  
Wenbo Mi
Keyword(s):  
Electronic Structure ◽  
First Principles ◽  
2D Materials ◽  
Van Der Waals ◽  
Two Dimensional ◽  
Coupling Effects ◽  
Van Der Waals Heterostructures ◽  
Spin Orbital ◽  
First Principles Study ◽  
Spin Orbital Coupling

We report a first-principles study on the electronic structure of van der Waals (vdW) heterostructures consisting of two dimensional (2D) materials.

Exploring mechanisms for generating spin-orbital coupling through donor–acceptor design to realize spin flipping in thermally activated delayed fluorescence

2020 ◽  
Vol 8 (10) ◽  
pp. 3395-3401 ◽  
Author(s):  
Miaosheng Wang ◽  
Tanmay Chatterjee ◽  
Camera Janelle Foster ◽  
Ting Wu ◽  
Chih-Lun Yi ◽  
...  
Keyword(s):  
High Efficiency ◽  
Delayed Fluorescence ◽  
Coupling Effects ◽  
Optical Studies ◽  
Spin Orbital ◽  
Thermally Activated Delayed Fluorescence ◽  
Thermally Activated ◽  
Donor Acceptor ◽  
Dependent Processes ◽  
Spin Orbital Coupling

Spin-orbital coupling effects and the underlying spin-dependent processes to achieve high-efficiency TADF are revealed based on magneto-optical studies.

Spin-Orbital Coupling Effects on Magnetoresistance in Organic Light-Emitting Diodes

2006 ◽  
Vol 965 ◽  
Author(s):  
Bin Hu ◽  
Yue Wu
Keyword(s):  
Reverse Bias ◽  
Metal Electrode ◽  
Organic Light Emitting Diodes ◽  
Capture Zone ◽  
Electron Hole ◽  
Spin Orbital ◽  
Light Emitting ◽  
Hole Capture ◽  
Organic Light ◽  
Spin Orbital Coupling

ABSTRACTThe magnetoresistance of conjugated polymer poly [2-methoxy-5-(2'-ethylhexyloxy)-1,4-phenylenevinylene] (MEH-PPV) based organic light-emitting diodes (OLED) was investigated at both forward and reverse bias at liquid nitrogen temperature. We find that the reverse bias yields a largely increased magnetoresistance when the electron-hole capture zone is away from the metal electrode as compared to the forward bias with the electron-hole capture zone close to the metal electrode. The electroluminescence suggests that the deposited metal atoms enhance the spin-orbital coupling at the polymer/metal interface and consequently lead to electron-hole capture zone-dependent magnetic field effects in organic semiconductor devices.

Exploring spin-orbital coupling effects on photovoltaic actions in Sn and Pb based perovskite solar cells

Nano Energy ◽  
2017 ◽  
Vol 38 ◽  
pp. 297-303 ◽  
Author(s):  
Jia Zhang ◽  
Ting Wu ◽  
Jiashun Duan ◽  
Mahshid Ahmadi ◽  
Fangyuan Jiang ◽  
...  
Keyword(s):  
Solar Cells ◽  
Perovskite Solar Cells ◽  
Coupling Effects ◽  
Spin Orbital ◽  
Spin Orbital Coupling

scholarly journals High-performance quasi-2D perovskite light-emitting diodes: from materials to devices

2021 ◽  
Vol 10 (1) ◽  
Author(s):  
Li Zhang ◽  
Changjiu Sun ◽  
Tingwei He ◽  
Yuanzhi Jiang ◽  
Junli Wei ◽  
...  
Keyword(s):  
Energy Transfer ◽  
High Performance ◽  
Light Emitting Diodes ◽  
Structural Characteristics ◽  
Quantum Yields ◽  
Research Directions ◽  
Light Emitting ◽  
Perovskite Materials ◽  
Quantum Confinement Effects ◽  
Semiconducting Properties

AbstractQuasi-two-dimensional (quasi-2D) perovskites have attracted extraordinary attention due to their superior semiconducting properties and have emerged as one of the most promising materials for next-generation light-emitting diodes (LEDs). The outstanding optical properties originate from their structural characteristics. In particular, the inherent quantum-well structure endows them with a large exciton binding energy due to the strong dielectric- and quantum-confinement effects; the corresponding energy transfer among different n-value species thus results in high photoluminescence quantum yields (PLQYs), particularly at low excitation intensities. The review herein presents an overview of the inherent properties of quasi-2D perovskite materials, the corresponding energy transfer and spectral tunability methodologies for thin films, as well as their application in high-performance LEDs. We then summarize the challenges and potential research directions towards developing high-performance and stable quasi-2D PeLEDs. The review thus provides a systematic and timely summary for the community to deepen the understanding of quasi-2D perovskite materials and resulting LED devices.

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