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Research Output 1991 2019

2019

Efficient organic-inorganic hybrid white light-emitting diodes with high color rendering index

Chen, K. J., Lai, Y. C., Lin, C., Lin, C. C., Chiu, S. H., Tu, Z. Y., Shih, M. H., Yu, P., Lee, P. T., Li, X., Meng, H. F., Chi, G. C., Chen, T. M. & Kuo, H. C., Jan 1 2019, Proceedings 2015 European Conference on Lasers and Electro-Optics - European Quantum Electronics Conference, CLEO/Europe-EQEC 2015. Optical Society of America (OSA), (Proceedings 2015 European Conference on Lasers and Electro-Optics - European Quantum Electronics Conference, CLEO/Europe-EQEC 2015).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Light emitting diodes
Color
2018

A large area monolayer WS2 laser based on surface-emitting heterostructure photonic crystal cavities

Ge, X., Minkov, M., Li, X., Fan, S. & Zhou, W., Jan 1 2018, CLEO: Applications and Technology, CLEO_AT 2018. OSA - The Optical Society, (Optics InfoBase Conference Papers; vol. Part F92-CLEO_AT 2018).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Photonic crystals
Heterojunctions
Monolayers
Lasers
Temperature

AlGaAs/Si dual-junction tandem solar cells by epitaxial lift-off and print-transfer-assisted direct bonding

Xiong, K., Mi, H., Chang, T. H., Liu, D., Xia, Z., Wu, M. Y., Yin, X., Gong, S., Zhou, W., Shin, J. C., Li, X., Arnold, M., Wang, X., Yuan, H. C. & Ma, Z., Feb 1 2018, In : Energy Science and Engineering. 6, 1, p. 47-55 9 p.

Research output: Contribution to journalArticle

Solar cells
Photovoltaic cells
Adhesives
Demonstrations
Crystals

Aligning Synthetic Hippocampal Neural Circuits via Self-Rolled-Up Silicon Nitride Microtube Arrays

Cangellaris, O. V., Corbin, E. A., Froeter, P., Michaels, J. A., Li, X. & Gillette, M. L., Oct 24 2018, In : ACS Applied Materials and Interfaces. 10, 42, p. 35705-35714 10 p.

Research output: Contribution to journalArticle

Silicon nitride
Neurons
Networks (circuits)
Neurodegenerative diseases
Substrates

Anisotropic Rolling and Controlled Chirality of Nanocrystalline Diamond Nanomembranes toward Biomimetic Helical Frameworks

Tian, Z., Huang, W., Xu, B., Li, X. & Mei, Y., Jun 13 2018, In : Nano Letters. 18, 6, p. 3688-3694 7 p.

Research output: Contribution to journalArticle

Diamond
Chirality
biomimetics
Biomimetics
chirality

Colloidal Metal-Organic Framework Hexapods Prepared from Postsynthesis Etching with Enhanced Catalytic Activity and Rollable Packing

Ou, Z., Song, X., Huang, W., Jiang, X., Qu, S., Wang, Q., Braun, P. V., Moore, J. S., Li, X. & Chen, Q., Dec 5 2018, In : ACS Applied Materials and Interfaces. 10, 48, p. 40990-40995 6 p.

Research output: Contribution to journalArticle

Colloids
Etching
Catalyst activity
Metals
Molecular structure

Direct Measurement of Directional Emission from Monolayer WS 2 Laser with Heterostructure Photonic Crystal Cavities

Ge, X., Minkov, M., Fan, S., Li, X. & Zhou, W., Nov 6 2018, 31st Annual Conference of the IEEE Photonics Society, IPC 2018. Institute of Electrical and Electronics Engineers Inc., 8527209. (31st Annual Conference of the IEEE Photonics Society, IPC 2018).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Photonic crystals
Heterojunctions
Cones
Monolayers
cones

Downscaling inductors with graphene

Huang, W. & Li, X., Jan 1 2018, In : Nature Electronics. 1, 1, p. 6-7 2 p.

Research output: Contribution to journalShort survey

Graphite
inductors
Graphene
graphene

Enhanced Performance of Ge Photodiodes via Monolithic Antireflection Texturing and α-Ge Self-Passivation by Inverse Metal-Assisted Chemical Etching

Kim, M., Yi, S., Kim, J. D., Yin, X., Li, J., Bong, J., Liu, D., Liu, S. C., Kvit, A., Zhou, W., Wang, X., Yu, Z., Ma, Z. & Li, X., Jul 24 2018, In : ACS Nano. 12, 7, p. 6748-6755 8 p.

Research output: Contribution to journalArticle

Texturing
Photodiodes
Passivation
passivity
photodiodes

Low index contrast heterostructure photonic crystal cavities with high quality factors and vertical radiation coupling

Ge, X., Minkov, M., Fan, S., Li, X. & Zhou, W., Apr 2 2018, In : Applied Physics Letters. 112, 14, 141105.

Research output: Contribution to journalArticle

Q factors
photonics
cavities
radiation
silicon nitrides

Morphable 3D mesostructures and microelectronic devices by multistable buckling mechanics

Fu, H., Nan, K., Bai, W., Huang, W., Bai, K., Lu, L., Zhou, C., Liu, Y., Liu, F., Wang, J., Han, M., Yan, Z., Luan, H., Zhang, Y., Zhang, Y., Zhao, J., Cheng, X., Li, M., Lee, J. W., Liu, Y. & 5 othersFang, D., Li, X., Huang, Y., Zhang, Y. & Rogers, J. A., Mar 1 2018, In : Nature Materials. 17, 3, p. 268-276 9 p.

Research output: Contribution to journalArticle

buckling
microelectronics
Microelectronics
Buckling
Mechanics

Nanoscale groove textured β-Ga2O3 by room temperature inverse metal-assisted chemical etching and photodiodes with enhanced responsivity

Kim, M., Huang, H. C., Kim, J. D., Chabak, K. D., Kalapala, A. R. K., Zhou, W. & Li, X., Nov 26 2018, In : Applied Physics Letters. 113, 22, 222104.

Research output: Contribution to journalArticle

grooves
photodiodes
etching
room temperature
metals
ridges
tuning
photonics
waveguides
wavelengths

Reconfigurable nanoscale soft materials

Ou, Z., Kim, A., Huang, W., Braun, P. V., Li, X. & Chen, Q., Jan 1 2018, (Accepted/In press) In : Current Opinion in Solid State and Materials Science.

Research output: Contribution to journalArticle

Nanoparticles
Flexible electronics
Kinetics
Adaptive systems
Colloids

Room Temperature Photonic Crystal Surface Emitting Laser with Synthesized Monolayer Tungsten Disulfide

Ge, X., Minkov, M., Choudhury, T., Chubarov, M., Fan, S., Redwing, J., Li, X. & Zhou, W., Oct 30 2018, 26th International Semiconductor Laser Conference, ISLC 2018. Institute of Electrical and Electronics Engineers Inc., p. 167-168 2 p. 8516219. (Conference Digest - IEEE International Semiconductor Laser Conference; vol. 2018-September).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Surface emitting lasers
disulfides
Photonic crystals
surface emitting lasers
Silicon nitride

Self-Anchored Catalyst Interface Enables Ordered Via Array Formation from Submicrometer to Millimeter Scale for Polycrystalline and Single-Crystalline Silicon

Kim, J. D., Kim, M., Kong, L., Mohseni, P. K., Ranganathan, S., Pachamuthu, J., Chim, W. K., Chiam, S. Y., Coleman, J. J. & Li, X., Mar 14 2018, In : ACS Applied Materials and Interfaces. 10, 10, p. 9116-9122 7 p.

Research output: Contribution to journalArticle

Silicon
Etching
Crystalline materials
Catalysts
Metals

Self-Folded Gripper-Like Architectures from Stimuli-Responsive Bilayers

Abdullah, A. M., Li, X., Braun, P. V., Rogers, J. A. & Hsia, K. J., Aug 2 2018, In : Advanced Materials. 30, 31, 1801669.

Research output: Contribution to journalArticle

Grippers
Hinges
Intelligent structures
Polydimethylsiloxane
Organic solvents

Three-dimensional radio-frequency transformers based on a self-rolled-up membrane platform /639/166/987 /639/925/927/1007 article

Huang, W., Zhou, J., Froeter, P. J., Walsh, K., Liu, S., Kraman, M. D., Li, M., Michaels, J. A., Sievers, D. J., Gong, S. & Li, X., May 1 2018, In : Nature Electronics. 1, 5, p. 305-313 9 p.

Research output: Contribution to journalArticle

transformers
radio frequencies
platforms
membranes
Membranes
2017

A review of III-V planar nanowire arrays: Selective lateral VLS epitaxy and 3D transistors

Zhang, C., Miao, X., Chabak, K. D. & Li, X., Aug 31 2017, In : Journal of Physics D: Applied Physics. 50, 39, 393001.

Research output: Contribution to journalReview article

Epitaxial growth
epitaxy
Nanowires
Transistors
nanowires

CMOS-compatible on-chip self-rolled-up inductors for RF/mm-wave applications

Huang, W., Zhou, J., Froeter, P., Walsh, K., Liu, S., Michaels, J., Li, M., Gong, S. & Li, X., Oct 4 2017, 2017 IEEE MTT-S International Microwave Symposium, IMS 2017. Institute of Electrical and Electronics Engineers Inc., p. 1645-1648 4 p. 8058953. (IEEE MTT-S International Microwave Symposium Digest).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

inductors
CMOS
chips
Membranes
membranes

Damage-Free Smooth-Sidewall InGaAs Nanopillar Array by Metal-Assisted Chemical Etching

Kong, L., Song, Y., Kim, J. D., Yu, L., Wasserman, D., Chim, W. K., Chiam, S. Y. & Li, X., Oct 24 2017, In : ACS Nano. 11, 10, p. 10193-10205 13 p.

Research output: Contribution to journalArticle

Etching
Metals
etching
damage
metals

Direct Electrical Probing of Periodic Modulation of Zinc-Dopant Distributions in Planar Gallium Arsenide Nanowires

Choi, W., Seabron, E., Mohseni, P. K., Kim, J. D., Gokus, T., Cernescu, A., Pochet, P., Johnson, H. T., Wilson, W. L. & Li, X., Feb 28 2017, In : ACS Nano. 11, 2, p. 1530-1539 10 p.

Research output: Contribution to journalArticle

Gallium arsenide
Nanowires
gallium
Zinc
nanowires
Semiconductor quantum dots
Conversion efficiency
Light emitting diodes
light emitting diodes
quantum dots
Semiconductor quantum dots
Conversion efficiency
Light emitting diodes
light emitting diodes
quantum dots

Enhanced Color-Conversion Efficiency of Hybrid Nanostructured-Cavities InGaN/GaN Light-Emitting Diodes Consisting of Nontoxic InP Quantum Dots

Liu, C. Y., Chen, T. P., Huang, J. K., Lin, T. N., Huang, C. Y., Li, X., Kuo, H. C., Shen, J. L. & Chang, C. Y., Sep 1 2017, In : IEEE Journal of Selected Topics in Quantum Electronics. 23, 5, 8027032.

Research output: Contribution to journalArticle

Semiconductor quantum dots
Conversion efficiency
Light emitting diodes
light emitting diodes
quantum dots

Large area MoS 2 van der Waals epitaxy on III-Ns and the epitaxial formation of a n-MoS 2 /p-InGaN diode

Jung, K., Liu, C. Y., Kim, J. D., Choi, W., Zhou, W., Kuo, H. C. & Li, X., Jan 23 2017, 2016 IEEE Photonics Conference, IPC 2016. Institute of Electrical and Electronics Engineers Inc., p. 657-658 2 p. 7831271. (2016 IEEE Photonics Conference, IPC 2016).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Epitaxial growth
triangles
epitaxy
Diodes
diodes

Mechanically-Guided Deterministic Assembly of 3D Mesostructures Assisted by Residual Stresses

Fu, H., Nan, K., Froeter, P., Huang, W., Liu, Y., Wang, Y., Wang, J., Yan, Z., Luan, H., Guo, X., Zhang, Y., Jiang, C., Li, L., Dunn, A. C., Li, X., Huang, Y., Zhang, Y. & Rogers, J. A., Jun 27 2017, In : Small. 13, 24, 1700151.

Research output: Contribution to journalArticle

Semiconductors
Functional materials
Energy barriers
Buckling
Residual stresses

Minimizing Isolate Catalyst Motion in Metal-Assisted Chemical Etching for Deep Trenching of Silicon Nanohole Array

Kong, L., Zhao, Y., Dasgupta, B., Ren, Y., Hippalgaonkar, K., Li, X., Chim, W. K. & Chiam, S. Y., Jun 21 2017, In : ACS Applied Materials and Interfaces. 9, 24, p. 20981-20990 10 p.

Research output: Contribution to journalArticle

Trenching
Silicon
Etching
Metals
Catalysts

Monolithic integration of vertical SiNx microrings on a ridge waveguide to achieve multi-channel photonic coupling

Yu, X., Goddard, L. L., Li, X. & Chen, X., Oct 25 2017, 2017 Conference on Lasers and Electro-Optics, CLEO 2017 - Proceedings. Institute of Electrical and Electronics Engineers Inc., p. 1-2 2 p. (2017 Conference on Lasers and Electro-Optics, CLEO 2017 - Proceedings; vol. 2017-January).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Ridge waveguides
Photonics
ridges
photonics
waveguides

Monolithic integration of vertical SiNx microrings on a ridge waveguide to achieve multi-channel photonic coupling

Yu, X., Goddard, L. L., Li, X. & Chen, X., Jan 1 2017, CLEO: Science and Innovations, CLEO_SI 2017. OSA - The Optical Society, (Optics InfoBase Conference Papers; vol. Part F41-CLEO_SI 2017).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Ridge waveguides
Photonics

Nano-indented Ge surfaces by metal-assisted chemical etching (MacEtch) and its application for optoelectronic devices

Kim, M., Yi, S., Kim, J. D., Liu, S. C., Zhou, W., Yu, Z. & Li, X., Aug 1 2017, 75th Annual Device Research Conference, DRC 2017. Institute of Electrical and Electronics Engineers Inc., 7999453. (Device Research Conference - Conference Digest, DRC).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Optoelectronic devices
Etching
Nanostructures
Metals
Dry etching

Printing, folding and assembly methods for forming 3D mesostructures in advanced materials

Zhang, Y., Zhang, F., Yan, Z., Ma, Q., Li, X., Huang, Y. & Rogers, J. A., Mar 29 2017, In : Nature Reviews Materials. 2, 4, 17019.

Research output: Contribution to journalReview article

Printing
Acoustic properties
Hydrogels
Graphite
Metamaterials

Scaling the Aspect Ratio of Nanoscale Closely Packed Silicon Vias by MacEtch: Kinetics of Carrier Generation and Mass Transport

Kim, J. D., Mohseni, P. K., Balasundaram, K., Ranganathan, S., Pachamuthu, J., Coleman, J. J. & Li, X., Mar 24 2017, In : Advanced Functional Materials. 27, 12, 1605614.

Research output: Contribution to journalArticle

Silicon
aspect ratio
Aspect ratio
Etching
Mass transfer
2016

Axial confinement in the monolithic integrated self-rolled-up vertical SiNx microring resonator on a ridge waveguide

Yu, X., Goddard, L. L., Li, X. & Chen, X., Dec 16 2016, 2016 Conference on Lasers and Electro-Optics, CLEO 2016. Institute of Electrical and Electronics Engineers Inc., 7788687. (2016 Conference on Lasers and Electro-Optics, CLEO 2016).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Ridge waveguides
Silicon nitride
silicon nitrides
couplers
ridges

Buried extraordinary optical transmission

Roberts, C., Liu, R., Zhao, X., Yu, L., Mohseni, P., Li, X., Wasserman, D. & Podolskiy, V., Dec 16 2016, 2016 Conference on Lasers and Electro-Optics, CLEO 2016. Institute of Electrical and Electronics Engineers Inc., 7787989. (2016 Conference on Lasers and Electro-Optics, CLEO 2016).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Light transmission
Semiconductor materials
Metallic films
optoelectronic devices
Optoelectronic devices

Direct Observation of Dopants Distribution and Diffusion in GaAs Planar Nanowires with Atom Probe Tomography

Qu, J., Choi, W., Katal Mohseni, P., Li, X., Zhang, Y., Chen, H., Ringer, S. & Zheng, R., Oct 5 2016, In : ACS Applied Materials and Interfaces. 8, 39, p. 26244-26250 7 p.

Research output: Contribution to journalArticle

Nanowires
Tomography
Doping (additives)
Atoms
Semiconductor materials

Enhanced axial confinement in a monolithically integrated self-rolled-up SiNx vertical microring photonic coupler

Yu, X., Goddard, L. L., Li, X. & Chen, X., Sep 12 2016, In : Applied Physics Letters. 109, 11, 111104.

Research output: Contribution to journalArticle

couplers
photonics
S band
C band
silicon nitrides

Enhanced Optical Transmission through MacEtch-Fabricated Buried Metal Gratings

Liu, R., Zhao, X., Roberts, C., Yu, L., Mohseni, P. K., Li, X., Podolskiy, V. & Wasserman, D. M., Feb 17 2016, In : Advanced Materials. 28, 7, p. 1441-1448 8 p.

Research output: Contribution to journalArticle

Light transmission
Metals
Semiconductor materials
Metallic films
Optoelectronic devices

Enhancement-mode Ga2O3 wrap-gate fin field-effect transistors on native (100) β-Ga2O3 substrate with high breakdown voltage

Chabak, K. D., Moser, N., Green, A. J., Walker, D. E., Tetlak, S. E., Heller, E., Crespo, A., Fitch, R., McCandless, J. P., Leedy, K., Baldini, M., Wagner, G., Galazka, Z., Li, X. & Jessen, G., Nov 21 2016, In : Applied Physics Letters. 109, 21, 213501.

Research output: Contribution to journalArticle

wrap
fins
electrical faults
field effect transistors
augmentation

Evidences for redox reaction driven charge transfer and mass transport in metal-assisted chemical etching of silicon

Kong, L., Dasgupta, B., Ren, Y., Mohseni, P. K., Hong, M., Li, X., Chim, W. K. & Chiam, S. Y., Nov 8 2016, In : Scientific Reports. 6, 36582.

Research output: Contribution to journalArticle

charge transfer
etching
silicon
metals
reagents

III-V nanowire transistors for low-power logic applications: A review and outlook

Zhang, C. & Li, X., Jan 1 2016, In : IEEE Transactions on Electron Devices. 63, 1, p. 223-234 12 p., 7160680.

Research output: Contribution to journalArticle

Nanowires
Transistors
Electron mobility
Field effect transistors
Electrostatics

Ultra-High Aspect Ratio InP Junctionless FinFETs by a Novel Wet Etching Method

Song, Y., Mohseni, P. K., Kim, S. H., Shin, J. C., Ishihara, T., Adesida, I. & Li, X., Aug 1 2016, In : IEEE Electron Device Letters. 37, 8, p. 970-973 4 p., 7485851.

Research output: Contribution to journalArticle

Wet etching
Aspect ratio
Indium phosphide
Dry etching
Gate dielectrics
2015

An Analytical Metal Resistance Model and Its Application for Sub-22-nm Metal-Gate CMOS

Miao, X., Bao, R., Kwon, U., Wong, K., Rausch, W., Weng, W., Wachnik, R., Grunow, S., Narayanan, V., Li, X. & Krishnan, S., Apr 1 2015, In : IEEE Electron Device Letters. 36, 4, p. 384-386 3 p., 7045484.

Research output: Contribution to journalArticle

Metals
Grain boundaries
Wire
Scattering
Electrons

Assembly of micro/nanomaterials into complex, three-dimensional architectures by compressive buckling

Xu, S., Yan, Z., Jang, K. I., Huang, W., Fu, H., Kim, J., Wei, Z., Flavin, M., McCracken, J., Wang, R., Badea, A., Liu, Y., Xiao, D., Zhou, G., Lee, J., Chung, H. U., Cheng, H., Ren, W., Banks, A., Li, X. & 5 othersPaik, U., Nuzzo, R. G., Huang, Y., Zhang, Y. & Rogers, J. A., Jan 9 2015, In : Science. 347, 6218, p. 154-159 6 p.

Research output: Contribution to journalArticle

Nanostructured materials
Buckling
Fences
Silicon
Scaffolds

Demonstration of the first monolithically integrated selfrolled-up tube based vertical photonic coupler

Yu, X., Arbabi, E., Goddard, L. L., Li, X. & Chen, X., May 4 2015, CLEO: Science and Innovations, CLEO-SI 2015. Optical Society of America (OSA), 1 p. (CLEO: Science and Innovations, CLEO-SI 2015).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Ridge waveguides
Planar waveguides
Photonics
couplers
ridges

Demonstration of the first monolithically integrated self-rolled-up tube based vertical photonic coupler

Yu, X., Arbabi, E., Goddard, L. L., Li, X. & Chen, X., Aug 10 2015, 2015 Conference on Lasers and Electro-Optics, CLEO 2015. Institute of Electrical and Electronics Engineers Inc., 7183720. (Conference on Lasers and Electro-Optics Europe - Technical Digest; vol. 2015-August).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Ridge waveguides
Planar waveguides
Photonics
couplers
ridges

Device architectures for enhanced photon recycling in thin-film multijunction solar cells

Sheng, X., Yun, M. H., Zhang, C., Al-Okaily, A. A. A. M., Masouraki, M., Shen, L., Wang, S., Wilson, W. L., Kim, J. Y., Ferreira, P. M., Li, X., Yablonovitch, E. & Rogers, J. A., Jan 1 2015, In : Advanced Energy Materials. 5, 1, 1400919.

Research output: Contribution to journalArticle

Recycling
Photons
Reflective coatings
Thin film devices
Open circuit voltage

Efficient hybrid white light-emitting diodes by organic-inorganic materials at different CCT from 3000K to 9000K

Chen, K. J., Lai, Y. C., Lin, B. C., Lin, C. C., Chiu, S. H., Tu, Z. Y., Shih, M. H., Yu, P., Lee, P. T., Li, X., Meng, H. F., Chi, G. C., Chen, T. M. & Kuo, H. C., Apr 6 2015, In : Optics Express. 23, 7, p. A204-A210

Research output: Contribution to journalArticle

inorganic materials
light emitting diodes
color
temperature
quantum dots

Evolution of GaAs nanowire geometry in selective area epitaxy

Bassett, K. P., Mohseni, P. K. & Li, X., Mar 30 2015, In : Applied Physics Letters. 106, 13, 133102.

Research output: Contribution to journalArticle

epitaxy
nanowires
geometry
masks
breakdown

High-speed planar gaas nanowire arrays with f max > 75 GHz by wafer-scale bottom-up growth

Miao, X., Chabak, K., Zhang, C., K. Mohseni, P., Walker, D. & Li, X., May 13 2015, In : Nano Letters. 15, 5, p. 2780-2786 7 p.

Research output: Contribution to journalArticle

Nanowires
nanowires
high speed
wafers
High electron mobility transistors