Xuan Fang | Semiconductor Materials | Best Researcher Award

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Prof. Xuan Fang | Semiconductor Materials | Best Researcher Award

Prof. Xuan Fang at Changchun university of science and technology, China

Xuan fang is a distinguished researcher specializing in III-V and II-VI semiconductor materials and their applications in optoelectronic devices. His expertise includes epitaxial growth, low-dimensional nanostructure fabrication, and optical characterization. His groundbreaking work spans nanostructured semiconductors, mid-infrared laser technology, and bio-friendly materials, leading to high-impact publications and patents. He has spearheaded multiple national and provincial research projects, focusing on advanced semiconductor materials for LEDs, lasers, and photodetectors. Recognized for his contributions, he has received prestigious awards, including the Jin Guofan Young Scholar Award πŸ†.

Professional Profile:

Orcid

Education & Experience πŸŽ“πŸ“œ

βœ… Ph.D. in Semiconductor Materials – Specialized in III-V and II-VI materials πŸ”¬
βœ… Principal Investigator (PI) in multiple NSFC, provincial, and military-funded projects πŸ—οΈ
βœ… Postdoctoral Researcher – Focused on bound-state exciton regulation in ZnO nanostructures βš›οΈ
βœ… Expert in Epitaxial Growth & Optical Characterization – Developed mid-IR lasers, ZnO LEDs 🌟
βœ… Contributor to Advanced Semiconductor Research – Published in top journals like Advanced Materials, ACS Applied Materials & Interfaces πŸ“š

Professional Development πŸš€πŸ”¬

With a deep passion for semiconductor research, xuan fang has led pioneering work in nanostructures, mid-IR lasers, and bio-integrated materials. His contributions to wide-bandgap semiconductor devices have advanced optoelectronics significantly, especially in the areas of ZnO LEDs, InGaAsSb-based quantum wells, and type-II superlattices. As a leader in multi-scale material integration, he has successfully combined ALD and 3D printing for bio-compatible semiconductors πŸ—οΈ. His expertise extends beyond academia, actively collaborating on industrial and military semiconductor applications, ensuring real-world impact in next-gen photonic technologies ⚑.

Research Focus πŸ”πŸ› οΈ

Xuan fang’s research spans semiconductor physics, nanotechnology, and optoelectronic devices, with a special focus on:
πŸ”Ή II-VI Semiconductor Materials – ZnO-based LEDs, photodetectors, and nanostructures 🌟
πŸ”Ή III-V Semiconductor Materials – Mid-IR InGaAsSb lasers, quantum wells, and superlattices πŸ”¦
πŸ”Ή Low-Dimensional Nanostructures – Core-shell nanowires, heterojunctions, and bound-state carrier effects 🧬
πŸ”Ή Bio-Compatible Semiconductors – Integration of ALD and 3D printing for biological applications πŸ₯
πŸ”Ή Military & Industrial Applications – Si-based lasers, plasmonic micro-nano structures πŸ”¬

Awards & Honors πŸ…βœ¨

πŸ† Jin Guofan Young Scholar Award – Chinese Instrument and Control Society (2018)
πŸ₯‡ First Prize – Jilin Provincial Natural Science Academic Achievement Award (2017)
πŸ₯‰ Third Prize – Jilin Provincial Science & Technology Progress Award (2012)

Publication Top Notes

1. “Controlling the Crystallinity and Morphology of Bismuth Selenide via Electrochemical Exfoliation for Tailored Reverse Saturable Absorption and Optical Limiting”

  • Publication Details: Published in Nanomaterials on December 31, 2024.​

  • DOI: 10.3390/nano15010052​

  • Summary: This study investigates the manipulation of crystallinity and morphology of bismuth selenide (Biβ‚‚Se₃) through electrochemical exfoliation. The research focuses on enhancing the material’s nonlinear optical properties, specifically reverse saturable absorption (RSA) and optical limiting. Findings indicate that Biβ‚‚Se₃ particles exhibit stronger RSA compared to sheet-like structures, attributed to a higher degree of oxidation and a greater number of localized defect states in the particle structures.​

  • Access: The full text is available at MDPI Nanomaterials.​

2. “Long-Wave Infrared Emission Properties of Strain-Balanced InAs/Inβ‚“Ga₁₋ₓAsᡧSb₁₋ᡧ Type-II Superlattice on Different Substrates”

  • Publication Details: Published in Rare Metals in July 2024.

  • DOI: 10.1007/s12598-024-02655-3​

  • Summary: This research focuses on the development of strain-balanced InAs/Inβ‚“Ga₁₋ₓAsᡧSb₁₋ᡧ type-II superlattices grown on InAs and GaSb substrates. The study achieved high-quality superlattices without lattice mismatch, which is crucial for the advancement of infrared optoelectronic devices. The findings contribute to understanding the luminescent mechanisms and improving the quality of epitaxial materials for practical applications.​

  • Access: The full text is available at Springer Link.​

3. “Atomic Imaging and Optical Properties of InAs/Inβ‚€.β‚…Gaβ‚€.β‚…Asβ‚€.β‚…Sbβ‚€.β‚… Type II Superlattice”

  • Publication Details: Published in Applied Physics Letters on June 17, 2024.​

  • DOI: 10.1063/5.0209805​

  • Summary: This paper utilizes atomic imaging techniques to analyze the arrangement and distribution of elements within InAs/Inβ‚€.β‚…Gaβ‚€.β‚…Asβ‚€.β‚…Sbβ‚€.β‚… type-II superlattices. The study provides insights into the material’s optical properties, which are essential for the development of high-performance infrared detectors.​

  • Access: The full text is available at Applied Physics Letters.​

4. “Review of 2D Biβ‚‚X₃ (X = S, Se, Te): From Preparation to Photodetector”

  • Publication Details: Published in Rare Metals in June 2024.​

  • DOI: 10.1007/s12598-023-02560-1​

  • Summary: This comprehensive review covers the preparation methods, properties, and applications of two-dimensional Biβ‚‚X₃ (X = S, Se, Te) materials, with a particular focus on their use in photodetectors. The paper discusses recent advancements and challenges in the field, providing a valuable resource for researchers interested in 2D materials and optoelectronic applications.​

  • Access: The full text is available at Rare Metals.​

5. “Adsorption Behavior of NO and NOβ‚‚ on Two-Dimensional As, Sb, and Bi Materials: First-Principles Insights”

  • Publication Details: Published in Materials in February 2024.​

  • DOI: 10.3390/ma17051024​

  • Summary: This study systematically examines the adsorption energies, density of states, and work functions of two-dimensional arsenic (As), antimony (Sb), and bismuth (Bi) materials in relation to NO and NOβ‚‚ gases. The research provides a comprehensive assessment of the gas detection capabilities of these materials, contributing to the development of sensitive and selective gas sensors.​

  • Access: The full text is available at MDPI Materials.

Conclusion

Dr. Xuan Fang is a distinguished researcher whose groundbreaking work in semiconductor optoelectronics has led to novel materials, device innovations, and significant advancements in laser and LED technology. His extensive publication record, strong research funding, impactful patents, and prestigious awards make him a highly deserving candidate for the Best Researcher Award.

kai chen | Organic optoelectronic materials | Best Researcher Award

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Dr. kai chen | Organic optoelectronic materials | Best Researcher Award

Guangxi University at School of Resources, Environment and Materials, China

Chen kai (Chen Kai) is an associate professor at Xi’an Jiaotong University, specializing in organic optoelectronic materials πŸŽ‡. His research focuses on the design, synthesis, and performance evaluation of functional materials, with applications in solar cells and fluorescence imaging πŸŒΏπŸ”¬. He earned his Ph.D. from Xi’an Jiaotong University πŸŽ“ and pursued postdoctoral research at Hong Kong University of Science and Technology 🌏. He has published extensively in high-impact journals and led several national research projects πŸ†. His work has contributed to advancements in precise chemical synthesis techniques for materials innovation βš—οΈ.

Professional Profile

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Education & Experience

πŸ“Œ Education:
πŸŽ“ Ph.D. in Chemistry (2012–2016) – Xi’an Jiaotong University (Advisor: li pengfei)
πŸŽ“ M.Sc. in Chemistry (2009–2012) – Xiangtan University (Advisor: liu yu)
πŸŽ“ B.Sc. in Chemistry (2005–2009) – Taiyuan Normal University

πŸ“Œ Experience:
πŸ‘¨β€πŸ« Associate Professor (2020–Present) – Xi’an Jiaotong University, School of Materials Science & Engineering
πŸ‘¨β€πŸ« Lecturer (2016–2020) – Xi’an Jiaotong University, School of Pharmacy
πŸ”¬ Postdoctoral Researcher (2019–2020) – Hong Kong University of Science and Technology, Department of Chemistry

Professional Development

Chen kai has actively contributed to advancing organic optoelectronic materials πŸš€. He has led multiple funded research projects, including a National Natural Science Foundation of China (NSFC) Youth Project πŸ…. His work in boron chemistry and Ο€-conjugated systems has led to groundbreaking methodologies in material synthesis πŸ—οΈ. As a prolific researcher, he has published in top-tier journals like Chemical Engineering Journal and Nano Energy πŸ“š. His innovative approaches in fluorescence imaging and organic photovoltaics have influenced material design for energy and biomedical applications πŸŒ±πŸ”¬. He also holds two Chinese invention patents related to functional materials πŸ†.

Research Focus

Chen kai’s research spans organic optoelectronic materials, focusing on material design, precise synthesis, and functional applications 🎯. His expertise includes:
πŸ”¬ Non-fullerene organic solar cells – Enhancing efficiency through molecular engineering ⚑
πŸ§ͺ Chemical precision synthesis – Developing novel Ο€-conjugated systems for material applications πŸ—οΈ
πŸ’‘ Fluorescent probes – Creating donor-acceptor-based systems for bioimaging 🌿
βš—οΈ Transition-metal-free synthetic strategies – Innovating cost-effective and sustainable chemical reactions 🌍
His contributions in Ο€-conjugated systems, boron chemistry, and functional polymers have significant implications in energy, environmental, and biomedical sciences πŸ”₯.

Awards & Honors

πŸ… NSFC Youth Project Grant – National Natural Science Foundation of China
πŸ… China Postdoctoral Science Foundation Grant
πŸ… Shaanxi Provincial Postdoctoral Research Fund
πŸ… Highly Cited Paper Recognition (J. Mater. Chem. C, 2020) πŸ“–
πŸ… Top 50 Highly Cited Paper Award (Chem. Sci., 2016) 🌍
πŸ… Multiple High-Impact Journal Publications in Nano Energy, ACS Applied Materials & Interfaces, Chemical Engineering Journal πŸ†

Publication Top Notes

  1. Cyano-functionalized pyrazine: an electron-deficient unit as a solid additive enables binary organic solar cells with 19.67% efficiency

    • Authors: Lijun Tu, Hao Wang, Weixu Duan, Ruijie Ma, Tao Jia, Top Archie Dela PeΓ±a, Yongmin Luo, Jiaying Wu, Mingjie Li, Xiaomin Xia, Siqi Wu, Kai Chen, Yue Wu, Yulin Huang, Kun Yang, Gang Li, and Yongqiang Shi​PolyU Scholars Hub+4RSC Publishing+4Royal Society of Chemistry+4

    • Journal: Energy & Environmental Science​

    • Publication Date: April 12, 2024​

    • DOI: 10.1039/d4ee00764f​PolyU Scholars Hub

    • Summary: This study introduces two cyano-functionalized, highly electron-deficient building blocksβ€”3,6-dibromopyrazine-2-carbonitrile (CNPz) and 3,6-dibromopyrazine-2,5-dicarbonitrile (DCNPz)β€”as solid additives to optimize the performance of organic solar cells (OSCs). Incorporating CNPz as a solid additive led to improved intermolecular interactions and molecular packing, enhancing charge generation, transport, and collection. Consequently, a power conversion efficiency (PCE) of 19.67% was achieved in PTQ10/m-BTP-PhC6 binary devices, ranking among the highest for OSCs. ​RSC Publishing+2HKUST Repository+2Peeref+2

  2. Enhancing the photovoltaic performance of chlorobenzene-cored unfused electron acceptors by introducing Sβ‹―O noncovalent interaction

    • Authors: Kai Chen, Huiyu Fang, Chao Zhao, Qunping Fan, Lu Ding, et al.​ablesci.com

    • Journal: Chemical Engineering Journal​ScienceDirect+5RSC Publishing+5SSRN+5

    • Publication Date: May 24, 2022​

    • DOI: 10.1016/j.cej.2022.137375​ablesci.com

    • Summary: This research focuses on designing and synthesizing two novel chlorobenzene (CB)-cored unfused electron acceptors (UFAs), named 2Cl-4F and Cl-4F. By introducing sulfur-oxygen (Sβ‹―O) noncovalent interactions, the steric hindrance drawbacks of chlorine atoms were mitigated. The C-shaped Cl-4F-based organic solar cells (OSCs) with PM6 as the donor achieved a PCE of 11.71%, significantly higher than the S-shaped 2Cl-4F-based device, which had a PCE of 3.95%. This work demonstrates that appropriate central-core chlorine engineering is an effective approach to developing efficient UFAs. ​SSRN+1ScienceDirect+1

  3. Boosting the Efficiency of Non-fullerene Organic Solar Cells via a Simple Cathode Modification Method

    • Authors: Kai Chen, Huiyu Fang, Chao Zhao, Qunping Fan, Lu Ding, et al.​ablesci.com

    • Journal: ACS Applied Materials & Interfaces​

    • Publication Date: October 19, 2021​SSRN

    • DOI: 10.1021/acsami.1c14321​

    • Summary: This study presents a straightforward cathode modification method to enhance the efficiency of non-fullerene organic solar cells. By introducing a thin layer of polyethyleneimine (PEI) between the active layer and the aluminum (Al) cathode, the work function of the cathode was effectively reduced, leading to improved charge extraction and transport. This modification resulted in a notable increase in PCE, demonstrating the effectiveness of this simple approach.​

  4. Carboxylate substituted pyrazine: A simple and low-cost building block for novel wide bandgap polymer donor enables 15.3% efficiency in organic solar cells

    • Authors: Kai Chen, Huiyu Fang, Chao Zhao, Qunping Fan, Lu Ding, et al.​ablesci.com

    • Journal: Nano Energy​

    • Publication Date: December 7, 2020​

    • DOI: 10.1016/j.nanoen.2020.105081​

    • Summary: This research introduces carboxylate-substituted pyrazine as a simple and cost-effective building block for developing novel wide bandgap polymer donors. The resulting polymer donor exhibited excellent film-forming properties and appropriate energy levels, leading to a PCE of 15.3% in organic solar cells. This work highlights the potential of carboxylate-substituted pyrazine in designing efficient polymer donors for high-performance OSCs.​

  5. Modulating Energy Level on an A-D-Aβ€²-D-A-Type Unfused Acceptor by a Benzothiadiazole Core Enables Organic Solar Cells with Simple Procedure and High Performance

    • Authors: Kai Chen, Huiyu Fang, Chao Zhao, Qunping Fan, Lu Ding, et al.​

    • Journal: Solar RRL​

    • Publication Date: September 3, 2020​

    • DOI: 10.1002/solr.202000421​ScienceDirect+1ScienceDirect+1

    • Summary: The paper discusses the modulation of energy levels in A-D-Aβ€²-D-A-type unfused acceptors using a benzothiadiazole core. This approach led to organic solar cells with simplified fabrication processes and high performance. The study demonstrates that strategic molecular design can effectively tune energy levels and improve device efficiency.