Strong optical response and light emission from a monolayer molecular crystal

Zhao, Huijuan; Zhao, Yingbo; Song, Yinxuan; Zhou, Ming; Lv, Wei; Liu, Tao; Feng, Yuzhang; Song, Biying; Ma, Yue; Zhang, Junqing; Xiao, Jun; Wang, Ying; Lien, Der Hsien; Amani, Matin; Kim, Hyungjin; Chen, Xiaoqing; Wu, Zhangting; Ni, Zhenhua; Wang, Peng; Shi, Yi; Ma, Hao; Zhang, Xiang; Xu, Jian; Troisi, Alessandro; Javey, Ali; Wang, Xinran

doi:10.1038/s41467-019-13581-9

Cited by 71 publications

(96 citation statements)

References 46 publications

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“…The J-aggregated organics often serve as molecular excitons to set up efficient exciton-plasmon systems owing to their high oscillator strengths [171] and narrow transition linewidths. [172] For the sake of observation of ultrafast Rabi oscillations in real time, Vasa et al proposed the formation of hybrid plasmon nanostructures within coupled exciton-SPP system.…”

Section: Surface Plasmonsmentioning

confidence: 99%

Strongly Coupled Systems for Nonlinear Optics

Han

2021

Laser & Photonics Reviews

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Strong coupling is a distinct light-matter interaction regime, in which the interaction is manifested in coherent oscillations of energy between matter and a photonic subsystem. The consequence of such a strong coupling is the adjustment of the energy states of molecules and materials, which can bring about fascinating chemical and physical properties, and therefore result in advanced applications in many fields such as Bose-Einstein condensation and coherent emission, polariton lasing, superfluidity, quantum information processing, Raman scattering, chemical landscape, etc. Recently, strong coupling has also demonstrated profound impacts on the nonlinear optical (NLO) properties of molecular materials. In this review, the recent research progress in the field of strongly coupled systems for NLO applications is summarized. The underlying concepts and the detailed features of strongly coupled molecular systems are introduced, and the NLO characteristics of strongly coupled systems are reviewed. Finally, an outlook of future directions for this emerging field is given.

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Section: Surface Plasmonsmentioning

confidence: 99%

Strongly Coupled Systems for Nonlinear Optics

Han

2021

Laser & Photonics Reviews

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“…The films showed giant resonant absorption, bright photoluminescence emission, and a high photoluminescence quantum yield, as well as the evidence of super radiance at roomtemperatures. Also, a light-emitting device with the monolayer J-aggregate was also demonstrated (Zhao et al, 2019). As to novel devices, a tunneling device with negative differential conductance based on the C8-BTBT/pentacene/graphene heterojunction was also realized (Zhang et al, 2017).…”

Section: Multi-functional Osc/2d Hybrid Fetsmentioning

confidence: 99%

Organic Semiconductor Field-Effect Transistors Based on Organic-2D Heterostructures

2020

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In the past three decades, organic semiconductor field-effect transistors (OFETs) have drawn intense attention as promising candidates for drive circuits of flat panel display, radio frequency identifications, chemical/bio-sensors, and other devices. Generally, the key parameters of OFETs, carrier mobility, threshold voltage, and on/off current ratio are closely related to the degree of order and surface/interface electronic structure of organic semiconductor (OSC) films. The ordering of films is crucially determined by the molecule-substrate interactions. On inert substrates (such as SiO 2) OSC films can hardly reach a high degree of ordering without growth templates, while traditional single crystal surfaces usually force the OSC molecules to deviate from their favorite assemble manner resulting in an unstable structure. Recently, the rise of two-dimensional materials (2D) provides a possible solution. The in-plane lattice of 2D materials can offer possible epitaxy templates for OSCs while the weak van der Waals (vdWs) interaction between OSC and 2D layers allows for more flexibility to realize the epitaxy growth of OSCs with their favored assemble manner. In addition, the various band structures tuned by the layer numbers of 2D materials encourage widely modified OSC electronic structures by interface doping between the OSC and 2D layers, which benefits the structure by obtaining high-performance OFETs. In this review, we emphasize and discuss the recent advances of OSC-2D hybrid OFETs. The OSC-2D heterostructures not only promote OFET device performances by film morphology/structure optimization and channel electronic structure modification, but also offer platforms for basic organic solids physics investigation and further functional optoelectronic devices.

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“…[1][2][3][4][5][6][7][8][9][10][11][12][13][14][15][16] To date, 2DOCS-based field-effect transistors (FETs) have experienced impressive mobility enhancement; [17][18][19] the charge-carrier-transport and injection physics have also been explicitly elucidated. [20][21][22] These fascinating breakthroughs have thus greatly motivated performance optimization of tremendous organic functional devices, including transistor memories, [23,24] photodetectors, [25,26] light-emitting diodes, [27] and biosensors. [28,29] To further expand the practical application of available 2DOCSs to cost-effective, high-throughput manufacturing functional devices and integrated circuits, patterning of 2DOCSs, which has never been experimentally demonstrated, is undoubtedly an essential prerequisite.…”

Section: Patterning 2d Organic Crystalline Semiconductors Via Thermalmentioning

confidence: 99%

Patterning 2D Organic Crystalline Semiconductors via Thermally Induced Self‐Assembly

Duan

Qian

Guo

et al. 2020

Adv Elect Materials

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Fabricating 2D organic crystalline semiconductors (2DOCSs) in a patterned structure is an essential prerequisite for application toward large‐scale and high‐throughput manufacturing integrated devices. However, the deposition of 2DOCS arrays with structural perfection and thickness control through suitable solution‐based techniques remains challenging. Here, a promising patterning technique is proposed for high‐quality 2DOCS arrays with centimeter‐scale size and tunable molecular layer number via thermally induced self‐assembly (TISA). The achieved 2DOCS arrays exhibit superior carrier mobility and reliable performance uniformity. Field‐effect transistors yield maximum and average carrier mobilities of 13.40 and 9.21 cm2 V−1 s−1, respectively. Furthermore, constructed vertical molecular heterostructure‐based planar diode arrays exhibit high electrical rectification (rectifying ratio of ≈104), gate tunability, and fast photoresponse speed. Therefore, the work paves the way toward rational design and construction of organic device arrays for high‐performance organic integrated circuits.

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Strong optical response and light emission from a monolayer molecular crystal

Cited by 71 publications

References 46 publications

Strongly Coupled Systems for Nonlinear Optics

Strongly Coupled Systems for Nonlinear Optics

Organic Semiconductor Field-Effect Transistors Based on Organic-2D Heterostructures

Patterning 2D Organic Crystalline Semiconductors via Thermally Induced Self‐Assembly

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