Photoelectrochemical devices for energy harvesting.
Cavity Quantum Electrodynamics
Chi-Huang Chuang, Yung-Yu Lai, Cheng-Hung Hou, and Yuh-Jen Cheng*, “Annealed Polycrystalline TiO2 Interlayer of the n-Si/TiO2/Ni Photoanode for Efficient Photoelectrochemical Water Splitting,” ACS Appl. Energy Mater. 3, 4, 3902-3908 (2020). [ DOI:10.1021/acsaem.0c00319 ]
Yen-Hsien Yeh, Chi-Huang Chuang, Tzu-Yi Yu, Mei-Chun Liu, and Yuh-Jen Cheng*, “Junction energetics engineering using Ni/NiOx core-shell nanoparticle coating for efficient photoelectrochemical water splitting,” Int J Hydrogen Energy 44, 16594-16602 (2019). [ DOI:10.1016/j.ijhydene.2019.04.167 ]
Kun-Ching Shen, Chen-Ta Ku, Chieh Hsieh, Hao-Chung Kuo, Yuh-Jen Cheng, and Din Ping Tsai*, “Hyperbolic metacavity laser,” Adv. Mater. 30, 1706918 (2018) [ DOI:10.1002/adma.201706918 ]
Kun-Ching Shen, Chiieh Hsieh, Yuh-Jen Cheng, and Din Ping Tsai*, “Giant enhancement of emission efficiency and light directivity by using hyperbolic metacavity on deep-ultraviolet AlGaN emitter,” Nano Energy 45, 353–358 (2018). [ DOI:10.1016/j.nanoen.2018.01.020 ]
Yen-Hsien Yeh, Tzu-Yi Yu, Mei-Chun Liu, and Yuh-Jen Cheng,* “Enhanced water splitting performance of GaN photoanode using self-assembled nickel/nickeloxide nanoparticle catalyst,” Int J Hydrogen Energy 42, 27066-27072 (2017) [ DOI:10.1016/j.ijhydene.2017.09.108 ]
Chien-Ting Kuo, Lung-Hsing Hsu, Bo-Hsin Huang, Hao-Chung Kuo, Chien-Chung Lin, and Yuh-Jen Cheng,* “Influence of the microstructure geometry of patterned sapphire substrate on the light extraction efficiency of GaN LEDs,” Applied Optics, 55, 7387-7391 (2016). IF: 1.78 [ DOI:10.1364/AO.55.007387 ]
Ming-Hsuan Tan, Hung-Ruei Tseng, Chien-Ting Kuo, Shun-Chieh Hsu, Yen-Hua Lo, Che-Pin Tsai, Yuh-Jen Cheng, and Chien-Chung Lin*, “Numerical study of a highly efficient solar cell with graded band gap design,” J. J. Appl. Phys, 54, 054301 (2015). IF:1.12 [ DOI:10.7567/JJAP.54.054301 ]
C. H. Chiu, P.C. Yu, H. C. Kuo, C. C. Chen, T.C. Lu, S. C. Wang, S. H. Hsu, Y.-J. Cheng*, and Y. C. Chang, “Broadband and omnidirectional antireflection employing disordered GaN nanopillars,” Optics Express, 16, 8748, (2008).
Y.-J. Cheng*, "Spatially dependent spontaneous emission and Rabi oscillations of atoms in an open cavity with nonorthogonal eigenmodes," Phys. Rev. A, 77, 033835, (2008).
Y.-J. Cheng*, "Spontaneous emission of an atom in a cavity with nonorthogonal eigenmodes," Phys. Rev. Lett., 97, 093601, (2006).
Y.-J. Cheng*, "Quantum relaxation dynamics of magnetic moments in radiative reservoir," Phys. Rev. B, 70, 224435, 2004.
Y.-J. Cheng*, and A. E. Siegman, "Generalized radiation-field quantization method and the Petermann excess-noise factor," Phys. Rev. A , 68, 043808, 2003.
Y.-J. Cheng, C. G. Fanning, and A. E. Siegman, "Transverse mode astigmatism in a diode- pumped unstable-resonator Nd:YVO4 laser," Appl. Opts, 36, 1130, 1997.
Y.-J. Cheng, C. G. Fanning, and A. E. Siegman, "Experimental observation of a large excess quantum noise factor in the linewidth of a laser oscillator having nonorthogonal modes," Phys. Rev. Lett., 77, 627, 1996.
Y.-J. Cheng, P. L. Mussche, and A. E. Siegman, "Cavity decay rate and relaxation oscillation frequency in unconventional laser cavities," IEEE JQE, vol. 31, pp. 391-398, 1995.
Y.-J. Cheng, P. L. Mussche, and A. E. Siegman, "Measurement of laser quantum frequency fluctuations using a Pound-Drever stabilization system," IEEE JQE, vol. 30, pp. 1498, 1994.
Methods for fabricating group III-Nitride semiconductor film and device (U.S. and Taiwan Patents pending, 2010).
Defect selective passivation in semiconductor structures (U.S. and Taiwan Patents pending, 2009)
Method for fabricating semiconductor substrates and semiconductor devices (U.S. Patent No. 8133803 B2 and Taiwan Patents pending, 2009)
Media contact zone with bell-shaped texturing features. (U.S. Patent No. 6,663,938, 2003).
Apparatus and method to control the molecular weight distribution of a vapor. (U.S. Patent No. 6,511,702, 2003).