Changqing Chen

Visible light-emitting diodes using <i>a</i>-plane GaN–InGaN multiple quantum wells over <i>r</i>-plane sapphire

A. Chitnis, Changqing Chen, V. Adivarahan et al. · Applied Physics Letters · 2004 · 208 citations

Engineering, Visible Light-emitting Diodes, Optoelectronic Devices +17

AlN/AlGaN superlattices as dislocation filter for low-threading-dislocation thick AlGaN layers on sapphire

Hongmei Wang, Jianping Zhang, Changqing Chen et al. · Applied Physics Letters · 2002 · 187 citations

Aluminium Nitride, Wide-bandgap Semiconductor, Engineering +16

Boosted ultraviolet electroluminescence of InGaN/AlGaN quantum structures grown on high-index contrast patterned sapphire with silica array

Hongpo Hu, Bin Tang, Hui Wan et al. · Nano Energy · 2019 · 187 citations

Materials Science, Photonics, Photoluminescence +8

Unambiguously Enhanced Ultraviolet Luminescence of AlGaN Wavy Quantum Well Structures Grown on Large Misoriented Sapphire Substrate

Haiding Sun, Somak Mitra, Ram Chandra Subedi et al. · Advanced Functional Materials · 2019 · 178 citations

Aluminium Nitride, Engineering, Optoelectronic Devices +16

Anisotropic structural characteristics of (1120) GaN templates and coalesced epitaxial lateral overgrown films deposited on (1012) sapphire

Hongmei Wang, Changqing Chen, Zheng Gong et al. · Applied Physics Letters · 2004 · 166 citations