Jiamin Wang

Tianjin University

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Rongjin Li

Tianjin University

Jian Wei

Xi'an University of Architecture and Technology

Wenping Hu

Collaborative Innovation Center of Chemical Science and Engineering Tianjin

Congmin Qin

Xi'an University of Architecture and Technology

Xiaomin Ren

Beijing University of Posts and Telecommunications

Biao Yan

Tongji University

Jianli Kang

Tianjin University

Jiqiang Wang

Qingdao University

Zhijun Qiao

Shanxi Agricultural University

Qingping Wu

Chinese Academy of Sciences

Cooperative Institutions

Chinese Academy of Sciences

Tianjin University

University of Chinese Academy of Sciences

Collaborative Innovation Center of Chemical Science and Engineering Tianjin

Shandong Academy of Sciences

Shandong University

Ocean University of China

Tianjin Polytechnic University

Qilu University of Technology

East China University of Science and Technology

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A High-Efficiency Si Nanowire Array/Perovskite Hybrid Solar Cell

Nanoscale Research Letters (2017)

Xin Yan Chen Zhang Jiamin Wang Xia Zhang Xiaomin Ren

A low-cost Si nanowire array/perovskite hybrid solar cell is proposed and simulated. The solar cell consists of a Si p-i-n nanowire array filled with CH3NH3PbI3, in which both the nanowires and perovskite absorb the incident light while the nanowires act as the channels for transporting photo-generated electrons and holes. The hybrid structure has a high absorption efficiency in a broad wavelength range of 300~800 nm. A large short-circuit current density of 28.8 mA/cm2 and remarkable conversion efficiency of 13.3% are obtained at a thin absorber thickness of 1.6 μm, which are comparable to the best results of III-V nanowire solar cells.

Nanochemistry

Perovskite solar cell

10.1186/s11671-016-1785-y

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Citations (16)

Optical sinc-shaped Nyquist pulse generation by using of an intensity modulator in a Sagnac Loop

Liang Ma Jiamin Wang Jun Chen Lei Shang

A simple optical frequency comb generator with Nyquist temporal waveform by using of an intensity modulator (IM) in a Sagnac Loop is proposed. By properly adjusting the polarization of the output from the Sagnac loop, a quasi-rectangular-shaped 5-tone OFC with Nyquist temporal waveform is theoretically and experimentally demonstrated. But it is impossible to generate Nyquist pulses with more than 3 comb lines using a single IM as reported before. In our scheme, only one RF signal with a relatively low power is needed, which effectively increases the system reliability and decrease the system complexity and cost.

Nyquist–Shannon sampling theorem

10.1109/wocc.2016.7506608

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Citations (2)

Fiber morphological characteristics of bamboo Ferrocalamus strictus culms from different geographical distribution regions

Journal of Wood Science (2024)

Xiaofeng Zheng Rui Xu Honglan He Jiamin Wang Z.D. Zhou

10.1186/s10086-024-02166-w

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Near-infrared hybrid plasmonic multiple quantum well nanowire lasers

Optics Express (2017)

Jiamin Wang Wei Wei Xin Yan Jinnan Zhang Xia Zhang

The lasing characteristics of hybrid plasmonic AlGaAs/GaAs multiple quantum well (MQW) nanowire (NW) lasers beyond diffraction limit have been investigated by 3D finite-difference time-domain simulations. The results show that the hybrid plasmonic MQW NW has lower threshold gain over a broad diameter range in comparison with its photonic counterpart. Beyond the diffraction limit, the hybrid plasmonic MQW NW has a lowest threshold gain of 788 cm-1 at a diameter of 130 nm, and a cutoff diameter of 80 nm, half that of the photonic lasers. In comparison with the hybrid plasmonic core-shell NWs, the hybrid plasmonic MQW NWs exhibit significantly lower threshold gain, higher Purcell factor, and smaller cutoff diameter, which are attributed to the superior overlap between the hybrid plasmonic modes and gain medium, as well as a stronger optical confinement due to the grating-like effect of MQW structures. Moreover, the hybrid plasmonic MQW NW has a lower threshold gain than that of the core-shell NW over a broad wavelength range. The hybrid plasmonic MQW NW structure is promising for ultrasmall and low-consumption near-infrared nanolasers.

10.1364/oe.25.009358

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Citations (11)

The Modal Analysis Comparison of Theoretical Calculation and Experimental Test for Inertial Guidance Platform

Journal of Projectiles.Rockets.Missiles and Guidance (2004)

Jiamin Wang

In this paper,methods such as theoretical calculation and experimental test are excised to proceed modal analy- sis for inertial platform,and then natural fixed frequency and modal shape of inertial platform are given.It is proved that the outcome of theoretical calculation and experimental test are uniform basically.It is can be verified that the finite element mechanics model simplification in this paper is reasonable,and the finite element calculation is accurate relative- ly.So a base for the further dynamic modification and optimal design for the inertial platform by using finite element is provided.

Fictitious force

Natural frequency

Base (topology)

Source

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Nonsolvent-induced phase separation-derived TiO2 nanotube arrays/porous Ti electrode as high-energy-density anode for lithium-ion batteries

Rare Metals (2020)

Zhijia Zhang Jun Zhao Zhijun Qiao Jiamin Wang Shihao Sun

Anodizing

10.1007/s12598-020-01571-6

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Citations (27)

Low-voltage organic single-crystal field-effect transistors and inverters enabled by a solution processable high-kdielectric

Journal of Materials Chemistry C (2023)

Chunli Ma Bin Li Yihan Zhang Jiamin Wang Ying Liu

Low-voltage OFETs with excellent mobility, steep subthreshold swing, and low operating voltage were achieved simultaneously based on a novel solution-processable high- k dielectric.

Crystal (programming language)

Organic field-effect transistor

10.1039/d3tc00246b

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Citations (6)

Overcoming the Unfavorable Effects of “Boltzmann Tyranny:” Ultra‐Low Subthreshold Swing in Organic Phototransistors via One‐Transistor‐One‐Memristor Architecture

Advanced Materials (2024)

Shuyuan Yang Jiangyan Yuan Zhaofeng Wang Xianshuo Wu Xianfeng Shen

Abstract Organic phototransistors (OPTs), as photosensitive organic field‐effect transistors (OFETs), have gained significant attention due to their pivotal roles in imaging, optical communication, and night vision. However, their performance is fundamentally limited by the Boltzmann distribution of charge carriers, which constrains the average subthreshold swing (SS ave ) to a minimum of 60 mV/decade at room temperature. In this study, an innovative one‐transistor‐one‐memristor (1T1R) architecture is proposed to overcome the Boltzmann limit in conventional OFETs. By replacing the source electrode in an OFET with a memristor, the 1T1R device exploits the memristor's sharp resistance state transitions to achieve an ultra‐low SS ave of 18 mV/decade. Consequently, the 1T1R devices demonstrate remarkable sensitivity to photo illumination, with a high specific detectivity of 3.9 × 10 9 cm W −1 Hz 1/2 , outperforming conventional OPTs (4.9 × 10 4 cm W −1 Hz 1/2 ) by more than four orders of magnitude. The 1T1R architecture presents a potentially universal solution for overcoming the detrimental effects of “Boltzmann tyranny,” setting the stage for the development of ultra‐low SS ave devices in various optoelectronic applications.

Memristor

Organic field-effect transistor

Subthreshold conduction

Neuromorphic engineering

Boltzmann constant

10.1002/adma.202309337

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Citations (3)

Robust Polyurethane Binders Intensified by Hydrogen Bonding, a Dynamic S–S Bond, and Metal-Ion Coordination for Silicon Anodes

ACS Applied Polymer Materials (2024)

Jianghui Huang Fei Wang Xiang Ma Lingli Jia Jiamin Wang

Silicon (Si) anodes undergo severe volume expansion during charging and discharging, resulting in degradation of their electrochemical performance. Polymer binders are one of the most cost-effective ways to suppress the volume expansion of Si particles. In this paper, polyurethane (BFPU) containing conductive cycloalkane, a dynamic S–S bond, and multiple hydrogen bonds is synthesized. After that, polymeric cross-linked network binders with multiple functional bond groups are obtained by cross-linking BFPU and polydopamine (PDA) with metal ions like Zn2+, Fe3+, and Al3+ (PDA-M-BFPU; M = Zn, Fe, Al). The introduction of metal ions, hydrogen bonding, and a dynamic S–S bond network significantly improves the Li+ diffusion rate and mechanical strength, which effectively inhibits the volume expansion of the Si anode. With the addition of metal ions, the initial Coulombic efficiency (ICE) of half-cells increases from 76.5% to over 80%, especially for Si/PDA-Al-BFPU, which reaches 84.5%. Also, the capacity retention rate of Si/PDA-Al-BFPU is 76.8% after 200 cycles at 0.3 C. In addition, the full cell of NCM811//Si/PDA-Al-BFPU shows good cycle stability and rate performance. The robust BFPU binder intensified by hydrogen bonding, a dynamic S–S bond, and metal-ion coordination already exhibits great potential for application in Si anodes.

Anodic bonding

10.1021/acsapm.3c02189

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Citations (4)

Synthesis of Rod-like NiO–Co3O4 Composites for Sensitive Electrochemical Detection of Hydrogen Peroxide

Journal of Analysis and Testing (2021)

Jiamin Wang Dan Shao Lulu Jiang Huaxiang Li Yajun Gao

Nanomaterials

Non-blocking I/O

Electrochemical gas sensor

10.1007/s41664-021-00202-y

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Citations (9)