1、系统研究了半导体亚波长结构与可见光的相互作用，提出了高性能光管理结构的一般性设计方法，为新型光电原型器件(太阳电池等)的实现提供理论指导，并开展了部分原型器件的研发工作。

2、提出了在光伏器件活性层中构筑电子、空穴“桥”的概念，实现载流子收集效率的提升从而提高器件性能。

3、开发了一系列潜在性价比高、基于晶硅的肖特基结太阳电池。

4、开发了一系列基于多元过渡金属硫化物的高综合性能水系超级电容器(能量密度大于110 Wh kg^–1)。

5、开发出了一种微纳金刚石薄膜的简易制备及原位掺杂方法，相关材料可用于导热或冷场发射。

Selected publications:

-Solar cells-

[1] One-Stone-for-Multiple-Birds Additive Strategy for Highly Efficient and Stable Carbon-Based Hole-Transport-Layer-Free CsPbI₂Br Solar Cells, Small (2024) DOI: 10.1002/smll.202406784.

[2] Construction of back-heterojunction crystalline silicon solar cells using Fermi-level-adjusted MXene by CuCl₂, Journal of Power Sources 614, 235046 (2024).

[3] Solution-Processed Silicon/SnCl₂-Treated Ti₃C₂T_x MXene Schottky Junction Solar Cells, Science China Materials 65, 896-903 (2022).

[4] MXenes for Solar Cells, Nano-Micro Letters 13, 78 (2021).

[5] Bridging for Carriers by Embedding Metal Oxide Nanoparticles in the Photoactive Layer to Enhance Performance of Polymer Solar Cells, IEEE Journal of Photovoltaics 10, 1353 (2020).

[6] Wedge-shaped semiconductor nanowall arrays with excellent light management, Optics Letters 42, 3928 (2017).

[7] Radial junction Si micro/nano-wire array photovoltaics: Recent progress from theoretical investigation to experimental realization, Nano Energy 7, 10 (2014).

[8] Low aspect-ratio hemispherical nanopit array surface texturing for enhancing light absorption in crystalline Si thin film-based solar cells, Appplied Physics Letters 98, 021905 (2011).

[9] Design guidelines of periodic Si nanowire arrays for solar cell application, Appplied Physics Letters 95, 243113 (2009).

[10] Si nanopillar array optimization on Si thin films for solar energy harvesting, Appplied Physics Letters 95, 033102 (2009).

-Energy storage devices-

[1] High-performance aqueous asymmetric supercapacitors with a cathodeof MnCo₂O₄ nanowires sandwiched by NiCoMnS₄ nanosheets on Ni foam, Science China Materials 67, 816-823 (2024).

[2] Vanadium Oxide Cathode Coinserted by Ni²⁺ and NH₄⁺ for High-Performance Aqueous Zinc-Ion Batteries, ACS Applied Materials & Interfaces 16, 8922-8929 (2024).

[3] A flexible cathode of nickel-manganese sulfide microparticles on carbon cloth for aqueous asymmetric supercapacitors with high comprehensive performance, Journal of Power Sources 551, 232185 (2022).

[4] High-performance aqueous asymmetric supercapacitors based on the cathode of one-step electrodeposited cracked bark-shaped nickel manganese sulfides on activated carbon cloth, Science China-Technological Sciences 65, 293 (2022).

[5] Cracked bark-inspired ternary metallic sulfide (NiCoMnS₄) nanostructure on carbon cloth for high-performance aqueous asymmetric supercapacitors, Science China Materials 64, 1632 (2021).

[6] Hybrid Aqueous/Nonaqueous Water-in-Bisalt Electrolyte Enables Safe Dual Ion Batteries, Small 16, 1905838 (2020).

[7] Punching holes on paper-like electrodes: An effective strategy to enhance rate performance of supercapacitors, Energy Storage Materials 19, 338 (2019).

[8] High-performance free-standing capacitor electrodes of multilayered Co₉S₈ plates wrapped by carbonized poly(3,4-ethylenedioxythiophene):poly(styrene sulfonate)/reduced graphene oxide, Journal of Power Sources 379, 167-173 (2018).

[9] A Dual Carbon-Based Potassium Dual Ion Battery with Robust Comprehensive Performance, Small 14, 1801836 (2018).

[10] Effect of rGO Coating on Interconnected Co₃O₄ Nanosheetsand Improved Supercapacitive Behavior of Co₃O₄ /rGO/NF Architecture, Nano-Micro Letters 9, 38 (2017).

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