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学者姓名：翟天瑞
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摘要 ：
The coassembly of primary particles into heterostructures represents a significant strategy for advanced fabrication of multi-functional materials or devices, and templated assembly has shown remarkable advantage for deterministic placement of particles and the efficient integration with substrates. However, template induced particles coassembly, which is significant for integrating multicomponents at desired positions, is still challenging. Herein, a facile strategy of embossed templateinduced particles coassembly for diverse superstructures and precise patterns is reported. Tunable region selective assembly of particles is demonstrated by controlling the resistance force via designing the embossed edge and surface roughness of the template. Through regulating the template morphologies and particles composition, well-controlled coassembly of "flower" shaped heterostructure and chiral superstructure arrays are realized. Furthermore, the printable nanomaterials self-assembly template is employed to achieve totally bottom-up fabrication of excitation responsive heterostructure arrays, in which the multi-photons process based energy transfer is studied to show the application in high-secure encryption. With the advantage of accurate position and compatible to different materials, this strategy is expected to provide a promising platform for fabricating micro/nanoscale advanced devices.
关键词 ：
patterns patterns particles assemblies particles assemblies heterostructures heterostructures embossed templates embossed templates excitation responsive luminescence excitation responsive luminescence
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| GB/T 7714 | Guo, Dan , Ruan, Jun , Xu, Yanan et al. Embossed Template Induced Particles Assembly for Heterostructures and the Application in High-Security Encryption [J]. | ADVANCED FUNCTIONAL MATERIALS , 2022 , 33 (7) . |
| MLA | Guo, Dan et al. "Embossed Template Induced Particles Assembly for Heterostructures and the Application in High-Security Encryption" . | ADVANCED FUNCTIONAL MATERIALS 33 . 7 (2022) . |
| APA | Guo, Dan , Ruan, Jun , Xu, Yanan , Li, Kaixuan , Han, Yu , Guo, Jinxin et al. Embossed Template Induced Particles Assembly for Heterostructures and the Application in High-Security Encryption . | ADVANCED FUNCTIONAL MATERIALS , 2022 , 33 (7) . |
| 导入链接 | NoteExpress RIS BibTex |
摘要 ：
Lasing properties of the two-dimensional (2D) distributed feedback (DFB) lasers can be engineered by replacing either the gain medium or periodic structures necessary for the feedback mechanism. Quasicrystals are the intermediate class between the periodic and random structures. They have high rotational symmetry and more favorable for the generation of photonic bandgap as compared to periodic structures. In our experiment, we designed a pentagonal prism for the holographic lithography to construct a long-range 10-fold rotational symmetry, which exhibits 2D quasiperiodic structures. A solution-processable colloidal quantum dots (CQDs) was spin-coated on the resultant 2D quasicrystals. An analytical model based on the cavity mode coupling effect was developed to predict the output performance of the 2D DFB CQDs photonic quasicrystals laser. The respective optically pumped 2D photonic quasicrystal samples exhibit multi-wavelength lasing emission in different directions due to long-range rotational symmetry. The five DFB lasing spots are symmetrically distributed in the 2D space, the center of the lasing spots is similar to a star shape. The derived analytical model predictions are in line with the experimental results.
关键词 ：
multi-wavelength lasing multi-wavelength lasing two-dimension distributed feedback lasing two-dimension distributed feedback lasing colloidal quantum dots colloidal quantum dots cavity mode coupling effect cavity mode coupling effect holographic lithography holographic lithography two-dimension photonic quasicrystals two-dimension photonic quasicrystals
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| GB/T 7714 | Hayat, Anwer , Zhai, Tianrui . Two-dimensional distributed feedback lasing with colloidal quantum dots in photonic quasicrystals [C] . 2021 . |
| MLA | Hayat, Anwer et al. "Two-dimensional distributed feedback lasing with colloidal quantum dots in photonic quasicrystals" . (2021) . |
| APA | Hayat, Anwer , Zhai, Tianrui . Two-dimensional distributed feedback lasing with colloidal quantum dots in photonic quasicrystals . (2021) . |
| 导入链接 | NoteExpress RIS BibTex |
摘要 ：
Lateral effect photodiodes sense the position of a laser beam by measuring the change of current between opposite anodes and a common cathode. They either require a bias current or the current is photogenerated. In either case, their linearity is affected by the non-uniformity of the current distribution between the anodes. We here propose a bias-free, lateral photo-diode, which consists of a resistive layer forming an extended Schottky contact to an intrinsic semiconductor. In our sensor, the photo-generated carriers do not diffuse laterally. Rather, their localization under the laser-beam results in a reduction of the barrier height due to image force effect. An open-circuit voltage appears between two opposite electrodes that is linear with the laser-beam position. A tetra-lateral configuration, with four anodes at the edges of a square-shaped sensor, allows sensing in two dimensions. (c) 2021 Elsevier B.V. All rights reserved.
关键词 ：
Photo-detectors Photo-detectors Position sensing Position sensing Schottky junctions Schottky junctions Image force effect Image force effect
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| GB/T 7714 | Wang, Xiaolei , Sun, Xupeng , Zhai, Tianrui et al. A bias-free, lateral effect position sensor photo-detector [J]. | SENSORS AND ACTUATORS A-PHYSICAL , 2021 , 330 . |
| MLA | Wang, Xiaolei et al. "A bias-free, lateral effect position sensor photo-detector" . | SENSORS AND ACTUATORS A-PHYSICAL 330 (2021) . |
| APA | Wang, Xiaolei , Sun, Xupeng , Zhai, Tianrui , Yang, Qianqian , Cui, Shuainan , Zhang, Jie et al. A bias-free, lateral effect position sensor photo-detector . | SENSORS AND ACTUATORS A-PHYSICAL , 2021 , 330 . |
| 导入链接 | NoteExpress RIS BibTex |
摘要 ：
The orbital angular momentum (OAM) of the structure light is viewed as a candidate for enhancing the capacity of information processing. Microring has advantages in realizing the compact lasers required for on-chip applications. However, as the clockwise and counterclockwise whispering gallery modes (WGM) appear simultaneously, the emitted light from the normal microring does not possess net OAM. Here, we propose an OAM laser based on the standing-wave WGMs containing clockwise and counterclockwise WGM components. Due to the inhomogeneous intensity distribution of the standing-wave WGM, the single-mode lasing for the OAM light can be realized. Besides, the OAM of the emitted light can be designed on demand. The principle and properties of the proposed laser are demonstrated by numerical simulations. This work paves the way for exploring a single-mode OAM laser based on the plasmonic standing-wave WGMs at the microscale, which can be served as a basic building block for on-chip optical devices.
关键词 ：
optical microcavity optical microcavity micro-nano vortex laser micro-nano vortex laser orbital angular momentum orbital angular momentum micro-nano photonics devices micro-nano photonics devices plasmonic devices plasmonic devices
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| GB/T 7714 | Wang, Xingyuan , Hu, Xiaoyong , Zhai, Tianrui . Vortex Laser Based on a Plasmonic Ring Cavity [J]. | CRYSTALS , 2021 , 11 (8) . |
| MLA | Wang, Xingyuan et al. "Vortex Laser Based on a Plasmonic Ring Cavity" . | CRYSTALS 11 . 8 (2021) . |
| APA | Wang, Xingyuan , Hu, Xiaoyong , Zhai, Tianrui . Vortex Laser Based on a Plasmonic Ring Cavity . | CRYSTALS , 2021 , 11 (8) . |
| 导入链接 | NoteExpress RIS BibTex |
摘要 ：
One of the most attractive characteristics of diluted ferromagnetic semiconductors is the possibility to modulate their electronic and ferromagnetic properties, coupled by itinerant holes through various means. A prominent example is the modification of Curie temperature and magnetic anisotropy by ion implantation and pulsed laser melting in III-V diluted magnetic semiconductors. In this study, to the best of our knowledge, we performed, for the first time, the co-doping of (In,Mn)As diluted magnetic semiconductors by Al by co-implantation subsequently combined with a pulsed laser annealing technique. Additionally, the structural and magnetic properties were systematically investigated by gradually raising the Al implantation fluence. Unexpectedly, under a well-preserved epitaxial structure, all samples presented weaken Curie temperature, magnetization, as well as uniaxial magnetic anisotropies when more aluminum was involved. Such a phenomenon is probably due to enhanced carrier localization introduced by Al or the suppression of substitutional Mn atoms.
关键词 ：
magnetic semiconductors magnetic semiconductors magnetic properties magnetic properties co-doping co-doping ion implantation ion implantation
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| GB/T 7714 | Yuan, Ye , Xie, Yufang , Yuan, Ning et al. The Al Doping Effect on Epitaxial (In,Mn)As Dilute Magnetic Semiconductors Prepared by Ion Implantation and Pulsed Laser Melting [J]. | MATERIALS , 2021 , 14 (15) . |
| MLA | Yuan, Ye et al. "The Al Doping Effect on Epitaxial (In,Mn)As Dilute Magnetic Semiconductors Prepared by Ion Implantation and Pulsed Laser Melting" . | MATERIALS 14 . 15 (2021) . |
| APA | Yuan, Ye , Xie, Yufang , Yuan, Ning , Wang, Mao , Heller, Rene , Kentsch, Ulrich et al. The Al Doping Effect on Epitaxial (In,Mn)As Dilute Magnetic Semiconductors Prepared by Ion Implantation and Pulsed Laser Melting . | MATERIALS , 2021 , 14 (15) . |
| 导入链接 | NoteExpress RIS BibTex |
摘要 ：
Single-mode plasmonic lasing has great potential for use in photonic and sensing applications. In this work, single-mode lasing is realized using a plasmonic-enhanced woven microfiber that shows ultrahigh sensitivity to the ambient environment. This plasmonic-enhanced microfiber is fabricated by spraying Ag nanospheres onto rhodamine 6G-doped polymer microfibers. Single-mode laser emission with an ultranarrow linewidth (0.1 nm) and a low threshold (18.8 kW/ mm(2)) is achieved in the microfiber using the effects of mode selection and plasmonic enhancement provided by the Ag nanospheres. A large wavelength shift in the single- limbic enhan mode lasing is observed when the proposed laser is used as a sensor and exposed to a microfiber' humid or acidic environment. The wavelength shift is attributed to refractive index Textile fiber variations in the microfiber caused by either moisture absorption or chemical reactions. In humidity sensing, the laser's sensitivity is as high as 826.6 pm/% relative humidity (RH) and the detection limit is 0.051% RH. An innovative strategy for acetic acid gas sensing is proposed that uses the chemical reaction with rhodamine 6G, and its minimum response time is 5 min. Because of the microfiber's excellent fabric compatibility, a wearable sensor is fabricated by weaving the plasmonic-enhanced microfiber into clothes, and this sensor demonstrates extreme bending stability. The results reported here provide a novel approach to the design and fabrication of ultrasensitive wearable sensors for multifunctional sensing applications.
关键词 ：
fabric compatibility fabric compatibility multifunctional sensing multifunctional sensing plasmonic microfiber plasmonic microfiber single-mode lasing single-mode lasing wearable sensor wearable sensor
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| GB/T 7714 | Zhang, Shuai , Shi, Xiaoyu , Yan, Shaoxin et al. Single-Mode Lasing in Plasmonic-Enhanced Woven Microfibers for Multifunctional Sensing [J]. | ACS SENSORS , 2021 , 6 (9) : 3416-3423 . |
| MLA | Zhang, Shuai et al. "Single-Mode Lasing in Plasmonic-Enhanced Woven Microfibers for Multifunctional Sensing" . | ACS SENSORS 6 . 9 (2021) : 3416-3423 . |
| APA | Zhang, Shuai , Shi, Xiaoyu , Yan, Shaoxin , Zhang, Xiao , Ge, Kun , Han, Chang Bao et al. Single-Mode Lasing in Plasmonic-Enhanced Woven Microfibers for Multifunctional Sensing . | ACS SENSORS , 2021 , 6 (9) , 3416-3423 . |
| 导入链接 | NoteExpress RIS BibTex |
摘要 ：
Drop-based microcavity lasers emerged as a promising tool in modern physics investigation and chemical detection owing to their cost-effective fabrication, high luminescence, and sensitive molecule sensing. However, it is of great challenge to achieve highly directional emission along with high quality (Q) factors via traditional droplet self-assembly behavior of the gain medium on a planar substrate. In this work, a single-mode microcavity laser with directional far-field emission is first proposed via droplet self-assembly 3D-curved microcavities, and simultaneously, acetic acid (AcOH) gas sensing is realized. Trichromatic single-mode lasing in 3D-curved microcavities with distinct organic polymer droplets is constructed on silica fibers via a self-assembly procedure. By regulating the curvature of the substrate, mode selection and directional emission of the lasing action are realized. The measured Q-factor of the proposed anisotropic 3D-curved active microcavity is similar to 20k. Furthermore, on account of the sensitive responsiveness of liquid organic polymers, single-mode laser sensors can be realized by measuring the shift of their lasing modes on exposure to organic vapor. Benefiting from chemical reaction with rhodamine 6G, the AcOH gas sensor displays a short response time. These results may open new insights into drop-based quasi-3D-anisotropic whispering-gallery-mode microcavities to improve the development of lab-in-a-droplet, ranging from a tuneable microcavity laser to a chemical gas sensor.
关键词 ：
3D-curved microcavity 3D-curved microcavity gas sensing gas sensing drop-based microcavity drop-based microcavity direction-adjustable direction-adjustable single-mode lasing single-mode lasing
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| GB/T 7714 | Zhang, Shuai , Liang, Ningning , Shi, Xiaoyu et al. Direction-Adjustable Single-Mode Lasing via Self-Assembly 3D-Curved Microcavities for Gas Sensing [J]. | ACS APPLIED MATERIALS & INTERFACES , 2021 , 13 (38) : 45916-45923 . |
| MLA | Zhang, Shuai et al. "Direction-Adjustable Single-Mode Lasing via Self-Assembly 3D-Curved Microcavities for Gas Sensing" . | ACS APPLIED MATERIALS & INTERFACES 13 . 38 (2021) : 45916-45923 . |
| APA | Zhang, Shuai , Liang, Ningning , Shi, Xiaoyu , Zhao, Wenkang , Zhai, Tianrui . Direction-Adjustable Single-Mode Lasing via Self-Assembly 3D-Curved Microcavities for Gas Sensing . | ACS APPLIED MATERIALS & INTERFACES , 2021 , 13 (38) , 45916-45923 . |
| 导入链接 | NoteExpress RIS BibTex |
摘要 ：
Fibonacci-spaced defect resonators were analytically investigated by cavity coupling, which exhibited a series of well-defined optical modes in fractals. The analytic model can be used to predict the output performance of microcavity lasers based on Fibonacci-spaced defect resonators, such as the mode number, resonant frequency, and Q factor. All results obtained by the analytical solution are in good consistency with that obtained by the finite-difference time-domain method. The simulation result shows that the Q factor of the resonant modes would increase dramatically with the appearance of narrower optical modes. The proposed theoretical model can be used to inversely design high performance polymer lasers based on the Fibonacci-spaced defect resonators.
关键词 ：
quasicrystal resonator quasicrystal resonator analytic model analytic model cavity coupling cavity coupling
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| GB/T 7714 | Cui, Libin , Hayat, Anwer , Lv, Linzheng et al. A Theoretical Model of Quasicrystal Resonators: A Guided Optimization Approach [J]. | CRYSTALS , 2021 , 11 (7) . |
| MLA | Cui, Libin et al. "A Theoretical Model of Quasicrystal Resonators: A Guided Optimization Approach" . | CRYSTALS 11 . 7 (2021) . |
| APA | Cui, Libin , Hayat, Anwer , Lv, Linzheng , Xu, Zhiyang , Zhai, Tianrui . A Theoretical Model of Quasicrystal Resonators: A Guided Optimization Approach . | CRYSTALS , 2021 , 11 (7) . |
| 导入链接 | NoteExpress RIS BibTex |
摘要 ：
Tunable whispering-gallery-mode (WGM) lasers have been paid lots of attention for their potential applications in the photonic field. Here, a tunable polymer WGM laser based on laser diode pumping is realized with a threshold of 0.43 MW/cm(2) per pulse. The WGM laser is realized by a microfluidic microcavity, which consists of a quartz capillary and gain materials. The laser performance keeps stable for a long time (3.5 h), pumped by a 50-ns 50 Hz laser diode with a pumping peak power density of 1.08 MW/cm(2) per pulse. The lasing wavelength can be tuned over 15 nm by changing the gain material concentration from 3.5 mg/mL to 12.5 mg/mL in the microfluidic channel. Moreover, the lasing mode can be switched between transverse magnetic (TM) and transverse electric (TE) modes by adjusting the pump polarization. These results provide the basis for designing nanophotonic devices with laser diode pumping.
关键词 ：
tunable laser tunable laser laser diode pumped laser diode pumped polymer polymer microfluidic channel microfluidic channel
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| GB/T 7714 | Niu, Ben , Ge, Kun , Xu, Zhiyang et al. Laser Diode Pumped Polymer Lasers with Tunable Emission Based on Microfluidic Channels [J]. | POLYMERS , 2021 , 13 (20) . |
| MLA | Niu, Ben et al. "Laser Diode Pumped Polymer Lasers with Tunable Emission Based on Microfluidic Channels" . | POLYMERS 13 . 20 (2021) . |
| APA | Niu, Ben , Ge, Kun , Xu, Zhiyang , Shi, Xiaoyu , Guo, Dan , Zhai, Tianrui . Laser Diode Pumped Polymer Lasers with Tunable Emission Based on Microfluidic Channels . | POLYMERS , 2021 , 13 (20) . |
| 导入链接 | NoteExpress RIS BibTex |
摘要 ：
An ultrathin-film microring laser was fabricated using inkjet printing and a simple lift-off technique. Whispering-gallery-mode lasing was observed under optically pumped conditions in the film. The freestanding laser can be transferred to arbitrary surfaces for multifunctional applications, such as acoustic and relative humidity sensing. Using the first eigenmode of a membrane vibration, an acoustic sensor with a 0.15 Pa limit of detection was demonstrated via laser bandwidth broadening. A relative humidity sensor with a 1.1% limit of detection via wavelength shifts was demonstrated by placing the device on an optical fiber facet. These cost-effective, transferrable, multifunctional laser sensors will have many additional applications.
关键词 ：
humidity sensing humidity sensing microring laser microring laser acoustic sensing acoustic sensing ultrathin ultrathin transferrable transferrable
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| GB/T 7714 | Xu Zhiyang , Zhai Tianrui , Shi Xiaoyu et al. Multifunctional Sensing Based on an Ultrathin Transferrable Microring Laser. [J]. | ACS applied materials & interfaces , 2021 , 13 (16) : 19324-19331 . |
| MLA | Xu Zhiyang et al. "Multifunctional Sensing Based on an Ultrathin Transferrable Microring Laser." . | ACS applied materials & interfaces 13 . 16 (2021) : 19324-19331 . |
| APA | Xu Zhiyang , Zhai Tianrui , Shi Xiaoyu , Tong Junhua , Wang Xiaolei , Deng Jinxiang . Multifunctional Sensing Based on an Ultrathin Transferrable Microring Laser. . | ACS applied materials & interfaces , 2021 , 13 (16) , 19324-19331 . |
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