[204] "Nanosinusoidal surface zinc oxide for optical out-coupling of 2 inverted organic light-emitting diodes", D. Kim, K. Y. Woo, J. H. Han, T. W. Lee, H. S. Lee, Y. H. Cho, and K. C. Choi, ACS Photonics 5, 4061(2018).

[203] "Axial Inhomogeneity of Mg-doped GaN Rods: A Strong Correlation Among Componential, Electrical, and Optical Analyses", S. Choi, H. G. Song, Y.S. Yoo, C. Lee, K. Y. Woo, E. Lee, S. D. Roh, and Y.H. Cho*, ACS Photonics 5, 2825(2018).

[202] "Morphology tailoring and growth mechanism of indium-rich InGaN/GaN axial nanowire heterostructures by plasma-assisted molecular beam epitaxy", M. Morassi*, L. Largeau, F. Oehler, H. G. Song, L. Travers, F. H. Julien, J.-C. Harmand, Y.H Cho, F. Glas, M. Tchernycheva, and N. Gogneau, Crystal Growth & Design 18, 2545 (2018).

[201] "Three-dimensional GaN dodecagonal ring structure for highly efficient phosphor-free warm white light-emitting diodes", Y. C. Sim, S. H. Lim, Y. S. Yoo, M. H. Jang, S. H. Choi, H. S. Yeo, K. Y. Woo, S.W Lee, H. G. Song and Y. H. Cho*, Nanoscale 10, 4686 (2018). - Selected as cover picture paper

[200] "Site-selective two photon plasmonic nanofocusing on a single quantum dot for near-room-temperature operation", S. H. Gong, S. J. Kim, J. H. Kim, J. H. Cho and Y. H. Cho*, ACS Photonics 5, 711 (2018).

[199] "Strongly coherent single photon emission from site-controlled InGaN quantum dots embedded in GaN nano-pyramids", J. H. Cho, Y. M. Kim, S. H. Lim, H. S. Yeo, S. J. Kim, S.H.Gong,and Y. H. Cho*, ACS Photonics 5, 439 (2018).

[198] "Enhanced light emission from AlGaN/GaN multiple quantum wells using localized surface plasmon by aluminum nanoring patterns", K. R. Son, B. R. Lee, M. H. Jang, H. C. Park, Y. H. Cho, and T. G. Kim, Photonics Research 6, 30 (2017).

[197] "Selective engineering of oxygen-containing functional groups using alkyl ligand of oleylamine for revealing luminescence mechanism of graphene oxide quantum dots", M. H. Jang, H. Y. Yang, Y. H. Chang, H. C. Park, H. J. Park, H. H. Cho, B. J. Kim, Y. H. Kim, and Y. H. Cho*, Nanoscale 9, 18635 (2017). - Selected as cover picture paper