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2019

Gigantic enhancement of electricity generation in piezoelectric semiconductors by creating pores as a universal approach

Su, Y. L., Gupta, K., Hsiao, Y. L., Wang, R. C. & Liu, C-P., 2019 Jan 1, In : Energy and Environmental Science. 12, 1, p. 410-417 8 p.

Research output: Contribution to journalArticle

electricity generation
Electricity
Semiconductor materials
Energy harvesting
Epitaxial films
3 Citations (Scopus)

Recent progress in microstructure development of inorganic one-dimensional nanostructures for enhancing performance of piezotronics and piezoelectric nanogenerators

Gupta, K., Brahma, S., Dutta, J., Rao, B. & Liu, C-P., 2019 Jan 1, In : Nano Energy. 55, p. 1-21 21 p.

Research output: Contribution to journalArticle

Nanostructures
Microstructure
Sensors
Humidity sensors
Energy harvesting

Tunable Work Function of Mg x Zn 1-x O as a Viable Friction Material for a Triboelectric Nanogenerator

Guo, Q. Z., Yang, L. C., Wang, R. C. & Liu, C-P., 2019 Jan 9, In : ACS Applied Materials and Interfaces. 11, 1, p. 1420-1425 6 p.

Research output: Contribution to journalArticle

Friction materials
Patents and inventions
Polydimethylsiloxane
Crystal orientation
Film thickness

Ultra-flat AlN grown with a pulsed H 2 etching condition

Huang, C. P., Gupta, K., Liu, C-P. & Lai, K. Y., 2019 Jan 1, In : Applied Physics Express. 12, 1, 015509.

Research output: Contribution to journalArticle

Etching
etching
Epilayers
Organic chemicals
metalorganic chemical vapor deposition
2018
3 Citations (Scopus)

Efficiency enhancement of blue light emitting diodes by eliminating V-defects from InGaN/GaN multiple quantum well structures through GaN capping layer control

Tsai, S. C., Li, M. J., Fang, H. C., Tu, C. H. & Liu, C-P., 2018 May 1, In : Applied Surface Science. 439, p. 1127-1132 6 p.

Research output: Contribution to journalArticle

Semiconductor quantum wells
Semiconductor quantum dots
Light emitting diodes
Defects
Light emission
11 Citations (Scopus)

Enhanced response and selectivity of H2S sensing through controlled Ni doping into ZnO nanorods by using single metal organic precursors

Modaberi, M. R., Rooydell, R., Brahma, S., Akande, A. A., Mwakikunga, B. W. & Liu, C-P., 2018 Nov 10, In : Sensors and Actuators, B: Chemical. 273, p. 1278-1290 13 p.

Research output: Contribution to journalArticle

Nanorods
nanorods
Gases
selectivity
Metals

Erratum: Author Correction: High-quality AlN grown with a single substrate temperature below 1200 °C (Scientific reports (2017) 7 1 (7135))

Huang, C. P., Gupta, K., Wang, C. H., Liu, C-P. & Lai, K. Y., 2018 May 8, In : Scientific reports. 8, 1, 1 p.

Research output: Contribution to journalComment/debate

Open Access
Temperature
2 Citations (Scopus)

Freestanding Three-Dimensional CuO/NiO Core–Shell Nanowire Arrays as High-Performance Lithium-Ion Battery Anode

Cheng, Y. W., Chen, C. H., Yang, S. W., Li, Y. C., Peng, B. L., Chang, C. C., Wang, R. C. & Liu, C-P., 2018 Dec 1, In : Scientific reports. 8, 1, 18034.

Research output: Contribution to journalArticle

Nanowires
Lithium
Electrodes
Ions
Phase Transition
3 Citations (Scopus)

On enhancing capability of tribocharge transfer of ZnO nanorod arrays by Sb doping for anomalous output performance improvement of triboelectric nanogenerators

Chen, S. N., Chen, C. H., Lin, Z. H., Tsao, Y. H. & Liu, C-P., 2018 Mar 1, In : Nano Energy. 45, p. 311-318 8 p.

Research output: Contribution to journalArticle

Nanorods
Doping (additives)
Surface chemistry
Electrons
Nylons
2 Citations (Scopus)

Piezotronic materials and large-scale piezotronics array devices

Hu, W., Kalantar-Zadeh, K., Gupta, K. & Liu, C-P., 2018 Dec 1, In : MRS Bulletin. 43, 12, p. 936-940 5 p.

Research output: Contribution to journalArticle

Semiconductor materials
Man machine systems
Smart sensors
Nanoelectronics
Carrier transport
9 Citations (Scopus)

Room temperature carbon monoxide gas sensor using Cu doped OMS-2 nanofibers

Kumar, R., Mittal, J., Kushwaha, N., Rao, B. V., Pandey, S. & Liu, C-P., 2018 Aug 1, In : Sensors and Actuators, B: Chemical. 266, p. 751-760 10 p.

Research output: Contribution to journalArticle

Carbon Monoxide
Nanofibers
Chemical sensors
Carbon monoxide
carbon monoxide
15 Citations (Scopus)

Strain and grain size of TiO 2 nanoparticles from TEM, Raman spectroscopy and XRD: The revisiting of the Williamson-Hall plot method

Kibasomba, P. M., Dhlamini, S., Maaza, M., Liu, C-P., Rashad, M. M., Rayan, D. A. & Mwakikunga, B. W., 2018 Jun 1, In : Results in Physics. 9, p. 628-635 8 p.

Research output: Contribution to journalArticle

Raman spectroscopy
anatase
plots
grain size
nanoparticles
2017
14 Citations (Scopus)

Cu doped ZnO nanorods with controllable Cu content by using single metal organic precursors and their photocatalytic and luminescence properties

Rooydell, R., Brahma, S., Wang, R. C., Modaberi, M. R., Ebrahimzadeh, F. & Liu, C-P., 2017 Jan 1, In : Journal of Alloys and Compounds. 691, p. 936-945 10 p.

Research output: Contribution to journalArticle

Nanorods
Luminescence
Metals
Doping (additives)
Light emission
7 Citations (Scopus)

Enhancement of the piezoelectric coefficient in hexagonal MgxZn1-xO films at lower Mg compositions

Chen, Y. J., Brahma, S., Liu, C-P. & Huang, J-L., 2017 Jan 1, In : Journal of Alloys and Compounds. 728, p. 1248-1253 6 p.

Research output: Contribution to journalArticle

Chemical analysis
Magnetron sputtering
Magnesium
Zinc
Microscopic examination
4 Citations (Scopus)

High-quality AlN grown with a single substrate temperature below 1200 °c

Huang, C. P., Wang, C. H., Liu, C-P. & Lai, K. Y., 2017 Dec 1, In : Scientific reports. 7, 1, 7616.

Research output: Contribution to journalArticle

Organic Chemicals
Temperature
Islands
Buffers
Metals

Low-stress transfer of graphene and its tunable resistance by remote plasma treatments in hydrogen

Chen, W., Tu, C. H., Liang, K. C., Liu, C. Y., Liu, C-P. & Tzeng, Y-H., 2017 Jan 1, Nanoelectronic Device Applications Handbook. CRC Press, p. 365-372 8 p.

Research output: Chapter in Book/Report/Conference proceedingChapter

Graphene
Plasmas
Hydrogen
Substrates
Polymethyl methacrylates
2 Citations (Scopus)

Microwave irradiation assisted, one pot synthesis of simple and complex metal oxide nanoparticles: A general approach

Brahma, S., Liu, C-P. & Shivashankar, S. A., 2017 Sep 13, In : Journal of Physics D: Applied Physics. 50, 40, 40LT03.

Research output: Contribution to journalArticle

Microwave irradiation
Coordination Complexes
Metal complexes
Oxides
metal oxides
1 Citation (Scopus)
Coordination Complexes
Nickel
Transition metals
Zinc
Crystals
7 Citations (Scopus)

Optimal geometrical design of inertial vibration DC piezoelectric nanogenerators based on obliquely aligned InN nanowire arrays

Ku, N. J., Liu, G., Wang, C. H., Gupta, K., Liao, W. S., Ban, D. & Liu, C-P., 2017 Oct 7, In : Nanoscale. 9, 37, p. 14039-14046 8 p.

Research output: Contribution to journalArticle

Nanowires
Nanosystems
Energy harvesting
Scavenging
Energy conversion
26 Citations (Scopus)

Shear-band thickness and shear-band cavities in a Zr-based metallic glass

Liu, C-P., Roddatis, V., Kenesei, P. & Maaß, R., 2017 Nov 1, In : Acta Materialia. 140, p. 206-216 11 p.

Research output: Contribution to journalArticle

Shear bands
Metallic glass
Defects
Plastic flow
Tomography
15 Citations (Scopus)

The mechanism of the sodiation and desodiation in Super P carbon electrode for sodium-ion battery

Wu, C. M., Pan, P. I., Cheng, Y. W., Liu, C-P., Chang, C. C., Avdeev, M. & Lin, S., 2017 Feb 1, In : Journal of Power Sources. 340, p. 14-21 8 p.

Research output: Contribution to journalArticle

electric batteries
Carbon
Sodium
sodium
Ions

Tuning the transport and magnetism in a Cr-Bi 2 Se 3 topological insulator by Sb doping

Tung, Y., Chong, C. W., Liao, C. W., Chang, C. H., Huang, S. Y., Chuang, P. Y., Lee, M. K., Cheng, C. M., Li, Y. C., Liu, C-P. & Huang, J-C., 2017 Jan 1, In : RSC Advances. 7, 75, p. 47789-47795 7 p.

Research output: Contribution to journalArticle

Magnetism
Blind source separation
Tuning
Doping (additives)
Magnetic properties
10 Citations (Scopus)
Nanowires
Screening
Photodetectors
Metals
Tensile strain
4 Citations (Scopus)

Ultrathin (Bi 1-x Sb x ) 2 Se 3 Field Effect Transistor with Large ON/OFF Ratio

Liu, Y. H., Chong, C. W., FanChiang, C. M., Huang, J-C., Han, H. C., Li, Z., Qiu, H., Li, Y. C. & Liu, C-P., 2017 Apr 12, In : ACS Applied Materials and Interfaces. 9, 14, p. 12859-12864 6 p.

Research output: Contribution to journalArticle

Ultrathin films
Field effect transistors
Film thickness
Transistors
Electric fields
2016
3 Citations (Scopus)

Cleaning methodology of small residue defect with surfactant in copper chemical mechanical polishing post-cleaning

Wei, K. H., Hung, C. C., Wang, Y. S., Liu, C-P., Chen, K. W. & Wang, Y. L., 2016 Nov 1, In : Thin Solid Films. 618, p. 77-80 4 p.

Research output: Contribution to journalArticle

Chemical mechanical polishing
polishing
Surface-Active Agents
cleaning
Copper
2 Citations (Scopus)

Crystalline effect on ferromagnetism and magneto-transport of epitaxial semiconducting Co:ZnO films

Liu, Y., Chiu, S., Huang, J-C., Hsu, H., Liao, Y., Lee, C., Lin, C., Chou, H., Chen, S. F., Liu, C-P., Li, Z. & Qiu, H., 2016 Apr 30, In : Thin Solid Films. 605, p. 267-272 6 p.

Research output: Contribution to journalArticle

Ferromagnetism
ferromagnetism
Crystalline materials
Galvanomagnetic effects
Magnetoelectronics
3 Citations (Scopus)

Derivation of the surface free energy of ZnO and GaN using in situ electron beam hole drilling

Ghatak, J., Huang, J. H. & Liu, C-P., 2016 Jan 7, In : Nanoscale. 8, 1, p. 634-640 7 p.

Research output: Contribution to journalArticle

Free energy
Electron beams
Drilling
Nanobelts
Thin films
8 Citations (Scopus)

Efficiency enhancement of green light emitting diodes by improving the uniformity of embedded quantum dots in multiple quantum wells through working pressure control

Tsai, S. C., Fang, H. C., Lai, Y. L., Lu, C. H. & Liu, C-P., 2016 Jun 5, In : Journal of Alloys and Compounds. 669, p. 156-160 5 p.

Research output: Contribution to journalArticle

Pressure control
Semiconductor quantum wells
Semiconductor quantum dots
Light emitting diodes
Organic Chemicals
2 Citations (Scopus)

Improving the Brightness and Reliability of InGaN/GaN Near Ultraviolet Light-Emitting Diodes by Controlling the Morphology of the GaN Buffer Layer

Tsai, S. C., Fang, H. C., Lu, C. H., Lai, Y. L. & Liu, C-P., 2016 Aug 1, In : Journal of Display Technology. 12, 8, p. 869-872 4 p., 7429682.

Research output: Contribution to journalArticle

Buffer layers
ultraviolet radiation
Light emitting diodes
Luminance
brightness
14 Citations (Scopus)

Piezoelectric effect on compensation of the quantum-confined Stark effect in InGaN/GaN multiple quantum wells based green light-emitting diodes

Tsai, S. C., Lu, C. H. & Liu, C-P., 2016 Oct 1, In : Nano Energy. 28, p. 373-379 7 p.

Research output: Contribution to journalArticle

Stark effect
Piezoelectricity
Semiconductor quantum wells
Light emitting diodes
Tensile stress
6 Citations (Scopus)

Porosity-induced full-range visible-light photodetection via ultrahigh broadband antireflection in ZnO nanowires

Gupta, K., Lin, T., Wang, R. C. & Liu, C-P., 2016 Sep 1, In : NPG Asia Materials. 8, 9, e314.

Research output: Contribution to journalArticle

Nanowires
Porosity
Broadband
nanowires
broadband
16 Citations (Scopus)

Ultraviolet photodetectors based on MgZnO thin film grown by RF magnetron sputtering

Shiau, J. S., Brahma, S., Liu, C-P. & Huang, J-L., 2016 Dec 1, In : Thin Solid Films. 620, p. 170-174 5 p.

Research output: Contribution to journalArticle

Photodetectors
Magnetron sputtering
photometers
magnetron sputtering
illumination
2015
5 Citations (Scopus)

Bottom-Up Nano-heteroepitaxy of Wafer-Scale Semipolar GaN on (001) Si

Hus, J. W., Chen, C. C., Lee, M. J., Liu, H. H., Chyi, J. I., Huang, M. R. S., Liu, C-P., Wei, T. C., He, J. H. & Lai, K. Y., 2015 Sep 1, In : Advanced Materials. 27, 33, p. 4845-4850 6 p.

Research output: Contribution to journalArticle

Nanorods
Epitaxial growth
Semiconductor quantum wells
Nanostructures
Buffers
4 Citations (Scopus)

Crystal Orientation Dynamics of Collective Zn dots before Preferential Nucleation

Liu, C. C., Huang, J. H., Ku, C. S., Chiu, S. J., Ghatak, J., Brahma, S., Liu, C. W., Liu, C-P. & Lo, K-Y., 2015 Jul 27, In : Scientific reports. 5, 12533.

Research output: Contribution to journalArticle

nucleation
crystals
kinetics
harmonic generations
thermodynamics
2 Citations (Scopus)

Direct growth of hollow carbon nanorods on porous graphenic carbon film without catalysts

Tu, C. H., Wu, C. H., Chen, C. H., Li, Y. C., Wang, S. T., Chen, Y. C., Lu, C. H., Cai, Y. J., Lin, J. H. & Liu, C-P., 2015 Jan 1, In : Carbon. 84, 1, p. 272-279 8 p.

Research output: Contribution to journalArticle

Carbon films
Nanorods
Carbon
Catalysts
Nickel
9 Citations (Scopus)

Nano-scale carbon onions produced by laser photolysis of toluene for detection of optical, humidity, acetone, methanol and ethanol stimuli

Dhonge, B. P., Motaung, D. E., Liu, C-P., Li, Y. C. & Mwakikunga, B. W., 2015 Aug 1, In : Sensors and Actuators, B: Chemical. 215, p. 30-38 9 p., 18226.

Research output: Contribution to journalArticle

Photolysis
Toluene
Acetone
stimuli
acetone
5 Citations (Scopus)

Resonance raman spectroscopic study of shapeinduced phase transition in CdSe nanoclusters

Dhara, S., Liu, C-P., Chen, S. F., Eliseev, A. A. & Petukhov, D. I., 2015 Jan 1, In : Journal of Raman Spectroscopy. 46, 1, p. 1-3 3 p.

Research output: Contribution to journalArticle

Nanoclusters
Phase transitions
Interfacial energy
Zinc
Electrons
28 Citations (Scopus)

Self-powered n-Mg x Zn 1-x O/p-Si photodetector improved by alloying-enhanced piezopotential through piezo-phototronic effect

Chen, Y. Y., Wang, C. H., Chen, G. S., Li, Y. C. & Liu, C-P., 2015 Jan 1, In : Nano Energy. 11, p. 533-539 7 p.

Research output: Contribution to journalArticle

Photodetectors
Alloying
Thin films
Sputtering
Current density
4 Citations (Scopus)

Synthesis and characterization of bis (acetylacetonato κ-O, O′) [zinc(ii)/copper(ii)] hybrid organic-inorganic complexes as solid metal organic precursors

Rooydell, R., Wang, R. C., Brahma, S., Ebrahimzadeh, F. & Liu, C-P., 2015 May 7, In : Dalton Transactions. 44, 17, p. 7982-7990 9 p.

Research output: Contribution to journalArticle

Zinc
Copper
Metals
Organic Chemicals
Bond length
13 Citations (Scopus)

Ultrasensitive Thin-Film-Based Al x Ga 1-x N Piezotronic Strain Sensors via Alloying-Enhanced Piezoelectric Potential

Wang, C. H., Lai, K. Y., Li, Y. C., Chen, Y. C. & Liu, C-P., 2015 Oct 1, In : Advanced Materials. 27, 40, p. 6289-6295 7 p.

Research output: Contribution to journalArticle

Alloying
Thin films
Sensors
Intercalation
Screening