Q
Qingfeng Yan
Researcher at Tsinghua University
Publications - 165
Citations - 4837
Qingfeng Yan is an academic researcher from Tsinghua University. The author has contributed to research in topics: Colloidal crystal & Photonic crystal. The author has an hindex of 34, co-authored 155 publications receiving 3949 citations. Previous affiliations of Qingfeng Yan include National University of Singapore & Singapore–MIT alliance.
Papers
More filters
Journal ArticleDOI
High-Performance Planar-Type Photodetector on (100) Facet of MAPbI3 Single Crystal.
Zhipeng Lian,Qingfeng Yan,Qianrui Lv,Ying Wang,Lili Liu,Lijing Zhang,Shilie Pan,Qiang Li,Li-Duo Wang,Jia-Lin Sun +9 more
TL;DR: It is demonstrated that MAPbI3 photodetector based on single crystal can perform much better than that on polycrystalline-film counterpart, and may pave the way for exploiting high-performance perovskitesPhotodetectors based onsingle crystal.
Journal ArticleDOI
Templating methods for preparation of porous structures
TL;DR: In this article, a brief summary of recent demonstrations of how templating strategies can be used to prepare porous architectures with desired properties to meet the specific requirements of new technological applications, such as environmentally friendly technology, nanotechnology, tissue engineering, and photonics.
Journal ArticleDOI
Perovskite CH3NH3PbI3(Cl) Single Crystals: Rapid Solution Growth, Unparalleled Crystalline Quality, and Low Trap Density toward 108 cm–3
Zhipeng Lian,Qingfeng Yan,Tao-Tao Gao,Jie Ding,Qianrui Lv,Chuangang Ning,Qiang Li,Jia-Lin Sun +7 more
TL;DR: The improvement in the crystalline quality, together with the rapid growth rate and excellent carrier transport property, provides state-of-the-art single crystalline hybrid perovskite materials for high-performance optoelectronic devices.
Journal ArticleDOI
282-nm AlGaN-based deep ultraviolet light-emitting diodes with improved performance on nano-patterned sapphire substrates
Peng Dong,Jianchang Yan,Junxi Wang,Yun Zhang,Chong Geng,Tongbo Wei,Peipei Cong,Yilei Zhang,Jianping Zeng,Yingdong Tian,Lili Sun,Qingfeng Yan,Jinmin Li,Shunfei Fan,Zhixin Qin +14 more
TL;DR: In this paper, a nano-patterned sapphire substrates (NPSS) was used for a deep ultraviolet light-emitting diodes (UV-LEDs).
Journal ArticleDOI
Structure and luminescence properties of green-emitting NaBaScSi2O7:Eu2+ phosphors for near-UV-pumped light emitting diodes
TL;DR: In this article, a green-emitting phosphor Eu2+ doped NaBaScSi2O7 was synthesized by a solid-state reaction, and the photoluminescence properties were investigated in conjunction with a structural analysis.