Horng-Long Cheng

Professor

  • 1184 Citations
  • 17 h-Index
19972019
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Research Output 1997 2019

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Article
2019

Temperature effects on the electrical properties of ambipolar organic complementary-like inverters

Ho, T. J., Hung, C. W., Wang, Y. W., Chou, W-Y., Tang, F-C. & Cheng, H-L., 2019 Sep 1, In : Organic Electronics. 72, p. 25-29 5 p.

Research output: Contribution to journalArticle

inverters
Thermal effects
temperature effects
Electric properties
electrical properties
2018
Dipole moment
Buffer layers
low voltage
Surface tension
interfacial tension
2017
5 Citations (Scopus)

Enhanced & anisotropic charge transport in polymer-based thin-film transistors by guiding polymer growth

Wu, F. C., Lu, C. C., Ruan, J., Tang, F. C., Cheng, H. L. & Chou, W. Y., 2017 Feb 1, In : Crystal Growth and Design. 17, 2, p. 629-636 8 p.

Research output: Contribution to journalArticle

Thin film transistors
Charge transfer
Polymers
transistors
polymers
2016
8 Citations (Scopus)

Charge selectivity in polymer:Fullerene-based organic solar cells with a chemically linked polyethylenimine interlayer

Wu, F. C., Tung, K. C., Chou, W. Y., Tang, F-C. & Cheng, H. L., 2016 Feb 1, In : Organic Electronics. 29, p. 120-126 7 p.

Research output: Contribution to journalArticle

Fullerenes
Polyethyleneimine
Butyric acid
fullerenes
interlayers
3 Citations (Scopus)

Controlling carrier trapping and relaxation with a dipole field in an organic field-effect device

Wang, Y. F., Tsai, M. R., Wang, P. Y., Lin, C. Y., Cheng, H. L., Tang, F. C., Lien-Chung Hsu, S., Hsu, C. C. & Chou, W. Y., 2016 Jan 1, In : RSC Advances. 6, 81, p. 77735-77744 10 p.

Research output: Contribution to journalArticle

Polyimides
Organic field effect transistors
Electrets
Data storage equipment
Gate dielectrics
2015
10 Citations (Scopus)

A nanoscale study of charge extraction in organic solar cells: The impact of interfacial molecular configurations

Tang, F. C., Wu, F. C., Yen, C. T., Chang, J., Chou, W. Y., Gilbert Chang, S. H. & Cheng, H. L., 2015 Jan 7, In : Nanoscale. 7, 1, p. 104-112 9 p.

Research output: Contribution to journalArticle

Heterojunctions
Polymers
Perylene
Molecules
Organic polymers
6 Citations (Scopus)

High-response organic thin-film memory transistors based on dipole-functional polymer electret layers

Wang, Y. F., Tsai, M. R., Lin, Y. S., Wu, F. C., Lin, C. Y., Cheng, H. L., Liu, S. J., Tang, F-C. & Chou, W. Y., 2015 Aug 14, In : Organic Electronics. 26, p. 359-364 6 p.

Research output: Contribution to journalArticle

Electrets
Functional polymers
electrets
Transistors
transistors
3 Citations (Scopus)

Initial time-dependent current growth phenomenon in n -type organic transistors induced by interfacial dipole effects

Lin, Y. S., Yeh, B. L., Tsai, M. R., Cheng, H-L., Liu, S. J., Tang, F-C. & Chou, W-Y., 2015 Mar 14, In : Journal of Applied Physics. 117, 10, 104507.

Research output: Contribution to journalArticle

polyimides
transistors
dipoles
traps
electricity
10 Citations (Scopus)

Spontaneous Formation of an Ideal-Like Field-Effect Channel for Decay-Free Polymeric Thin-Film Transistors by Multiple-Scale Phase Separation

Cheng, H. L., Lin, J. W., Ruan, J., Lin, C. H., Wu, F. C., Chou, W. Y., Chen, C. H., Chang, C. K. & Sheu, H. S., 2015 Aug 5, In : ACS Applied Materials and Interfaces. 7, 30, p. 16486-16494 9 p.

Research output: Contribution to journalArticle

Thin film transistors
Polymer films
Phase separation
Polymers
Semiconducting polymers
12 Citations (Scopus)

Synergistic Effects of Binary-Solvent Annealing for Efficient Polymer-Fullerene Bulk Heterojunction Solar Cells

Wu, F. C., Li, Y. H., Tsou, C. J., Tung, K. C., Yen, C. T., Chou, F. S., Tang, F-C., Chou, W. Y., Ruan, J. & Cheng, H. L., 2015 Aug 12, In : ACS Applied Materials and Interfaces. 7, 34, p. 18967-18976 10 p.

Research output: Contribution to journalArticle

Fullerenes
Heterojunctions
Solar cells
Polymers
Annealing
1 Citation (Scopus)

Temperature-dependent ambipolar electrical characteristics of pentacene-based thin-film transistors: The impact of opposite-sign charge carriers

Ho, T. J., Cheng, H-L., Chiu, L. Y., Chou, W-Y. & Tang, F-C., 2015 Jun 18, In : Organic Electronics. 25, p. 74-78 5 p.

Research output: Contribution to journalArticle

Thin film transistors
Charge carriers
charge carriers
transistors
thin films
2014
3 Citations (Scopus)

Charge transfer highways in polymer solar cells embedded with imprinted PEDOT:PSS gratings

Yen, C. T., Wu, F. C., Cheng, H. L., Sheu, H. S., Tang, F. C. & Chou, W. Y., 2014, In : RSC Advances. 4, 102, p. 58342-58348 7 p.

Research output: Contribution to journalArticle

Charge transfer
Atomic force microscopy
Organic field effect transistors
Phase separation
Short circuit currents
6 Citations (Scopus)

Highly energy-efficient and air-stable organic transistors by an ultrathin hybrid dielectric with large internal voltage generation

Wang, Y. W., Tseng, G. Y., Chiu, L. Y., Lin, B. R., Lin, Y. Y., Haung, T. W., Chou, W. Y., Horng, L. & Cheng, H. L., 2014 Oct 7, In : Journal of Materials Chemistry C. 2, 37, p. 7752-7760 9 p.

Research output: Contribution to journalArticle

Transistors
Electric potential
Air
Organic field effect transistors
Field effect transistors
15 Citations (Scopus)

Light sensing in photosensitive, flexible n-type organic thin-film transistors

Chou, W. Y., Lin, Y. S., Kuo, L. L., Liu, S. J., Cheng, H. L. & Tang, F. C., 2014 Jan 28, In : Journal of Materials Chemistry C. 2, 4, p. 626-632 7 p.

Research output: Contribution to journalArticle

Thin film transistors
Switches
Photoluminescence
Electric potential
Touch screens
21 Citations (Scopus)

Manipulating the ambipolar characteristics of pentacene-based field-effect transistors

Chiu, L. Y., Cheng, H. L., Wang, H. Y., Chou, W. Y. & Tang, F. C., 2014 Mar 14, In : Journal of Materials Chemistry C. 2, 10, p. 1823-1829 7 p.

Research output: Contribution to journalArticle

Field effect transistors
Hole mobility
Semiconducting organic compounds
Electron mobility
Organic field effect transistors
3 Citations (Scopus)

Open-circuit voltage shifted by the bending effect for flexible organic solar cells

Chou, W. Y., Yen, C. T., Wu, F. C., Cheng, H. L., Liu, S. J. & Tang, F. C., 2014 Oct 14, In : Journal of Materials Chemistry A. 2, 38, p. 15781-15787 7 p.

Research output: Contribution to journalArticle

Open circuit voltage
Semiconducting organic compounds
Electron energy levels
Photoluminescence
Polyethylene Terephthalates
5 Citations (Scopus)

Preparation and characterization of In2O3 films with (111) preferred orientation

Yu, C. C., Yang, K. S., Chang, H., Lee, J. S., Lai, J. Y., Chuang, P. Y., Huang, J. C. A., Sun, A. C., Wu, F. C. & Cheng, H. L., 2014 Apr 1, In : Vacuum. 102, p. 63-66 4 p.

Research output: Contribution to journalArticle

preparation
Evaporation
evaporation
Oxygen
Surface scattering
2013
21 Citations (Scopus)

Effects of soft insulating polymer doping on the photovoltaic properties of polymer-fullerene blend solar cells

Wu, F. C., Hsu, S. W., Cheng, H. L., Chou, W. Y. & Tang, F-C., 2013 May 2, In : Journal of Physical Chemistry C. 117, 17, p. 8691-8696 6 p.

Research output: Contribution to journalArticle

Textile blends
Fullerenes
Polymethyl Methacrylate
Polymethyl methacrylates
polymethyl methacrylate
6 Citations (Scopus)

Gate field induced ordered electric dipoles in a polymer dielectric for low-voltage operating organic thin-film transistors

Chou, W-Y., Ho, T. Y., Cheng, H-L., Tang, F-C., Chen, J. H. & Wang, Y. W., 2013 Nov 21, In : RSC Advances. 3, 43, p. 20267-20272 6 p.

Research output: Contribution to journalArticle

Thin film transistors
Polyimides
Polymers
Semiconducting organic compounds
Electric potential
7 Citations (Scopus)

The influence of dual-carrier recombination and release on electrical characteristics of pentacene-based ambipolar transistors

Chiu, L. Y., Cheng, H. L., Chou, W. Y. & Tang, F. C., 2013 Nov 4, In : Applied Physics Letters. 103, 19, 193302.

Research output: Contribution to journalArticle

transistors
field effect transistors
threshold voltage
hysteresis
electric potential
2012
25 Citations (Scopus)

Alignment of poly(3,4-ethylenedioxythiophene) polymer chains in photovoltaic cells by ultraviolet irradiation

Tang, F-C., Chang, J., Wu, F. C., Cheng, H. L., Hsu, S. L. C., Chen, J. S. & Chou, W. Y., 2012 Nov 14, In : Journal of Materials Chemistry. 22, 42, p. 22409-22417 9 p.

Research output: Contribution to journalArticle

Photovoltaic cells
Polymers
Irradiation
Carrier transport
Electronic properties
10 Citations (Scopus)

Effective oxygen plasma treatment on indium tin oxide electrode to improve organic solar cell efficiency

Tang, F-C., Chang, J., Chou, W-Y., Cheng, H-L., Hsu, L-C., Chen, J-S. & Sheu, H. S., 2012 Feb 1, In : Physica Status Solidi (A) Applications and Materials Science. 209, 2, p. 369-372 4 p.

Research output: Contribution to journalArticle

oxygen plasma
Tin oxides
indium oxides
Indium
tin oxides
16 Citations (Scopus)

New pentacene crystalline phase induced by nanoimprinted polyimide gratings

Chou, W-Y., Chang, M. H., Cheng, H-L., Lee, Y-C., Chang, C. C. & Sheu, H. S., 2012 Apr 19, In : Journal of Physical Chemistry C. 116, 15, p. 8619-8626 8 p.

Research output: Contribution to journalArticle

polyimides
Polyimides
polymorphism
Polymorphism
gratings
13 Citations (Scopus)

The importance of p-n junction interfaces for efficient small molecule-based organic solar cells

Chou, W-Y., Chang, J., Yen, C. T., Lin, Y. S., Tang, F-C., Liu, S. J., Cheng, H-L., Hsu, L-C. & Chen, J-S., 2012 Apr 21, In : Physical Chemistry Chemical Physics. 14, 15, p. 5284-5288 5 p.

Research output: Contribution to journalArticle

p-n junctions
solar cells
excitons
p-type semiconductors
Molecules
2011
15 Citations (Scopus)

Efficient hybrid organic/inorganic photovoltaic cells utilizing n-type pentacene and intrinsic/p-type hydrogenated amorphous silicon

Chao, C. H., Chan, C. H., Wu, F. C., Huang, J. J., Yang Lien, S., Weng, K. W. & Cheng, H. L., 2011 Aug 1, In : Solar Energy Materials and Solar Cells. 95, 8, p. 2407-2411 5 p.

Research output: Contribution to journalArticle

Photovoltaic cells
Amorphous silicon
Semiconducting organic compounds
Absorption spectroscopy
Excitons
25 Citations (Scopus)
Fullerenes
fullerenes
Heterojunctions
heterojunctions
Solar cells
15 Citations (Scopus)

Nanoimprinting-induced efficiency enhancement in organic solar cells

Chou, W-Y., Chang, J., Yen, C. T., Tang, F-C., Cheng, H-L., Chang, M. H., Hsu, L-C., Chen, J-S. & Lee, Y-C., 2011 Oct 31, In : Applied Physics Letters. 99, 18, 183108.

Research output: Contribution to journalArticle

solar cells
augmentation
heterojunctions
gratings
photoluminescence
8 Citations (Scopus)

Organic nonvolatile memory based on low voltage organic thin film transistors with polymer gate electrets

Yeh, B. L., Chen, Y. H., Chiu, L. Y., Lin, J. W., Chen, W. Y., Chen, J. S., Chou, T. H., Chou, W. Y., Tang, F. C. & Cheng, H. L., 2011 Feb 8, In : Journal of the Electrochemical Society. 158, 3, p. H277-H280

Research output: Contribution to journalArticle

Electrets
Thin film transistors
Polymers
Data storage equipment
Polymethyl Methacrylate
10 Citations (Scopus)

Polymer bilayer films with semi-interpenetrating semiconducting/insulating microstructure for field-effect transistor applications

Wu, F. C., Cheng, H. L., Chen, Y. T., Jang, M. F. & Chou, W. Y., 2011 Nov 7, In : Soft Matter. 7, 23, p. 11103-11110 8 p.

Research output: Contribution to journalArticle

Field effect transistors
Polymethyl Methacrylate
Polymers
field effect transistors
polymethyl methacrylate
9 Citations (Scopus)

Reformation of conjugated polymer chains toward maximum effective conjugation lengths by quasi-swelling and recrystallization approach

Cheng, H. L., Lin, J. W., Wu, F. C., She, W. R., Chou, W. Y., Shih, W. J. & Sheu, H. S., 2011 Jan 21, In : Soft Matter. 7, 2, p. 351-354 4 p.

Research output: Contribution to journalArticle

Conjugated polymers
conjugation
swelling
Photonics
Swelling
2010
1 Citation (Scopus)

Analyses of electrical properties and stability of organic complementary transistors

Chou, W-Y., Yeh, B. L., Cheng, H-L., Liu, S. J., Sun, B. Y., Chou, T. H. & Chen, Y. H., 2010 Sep 7, In : Journal of the Electrochemical Society. 157, 10

Research output: Contribution to journalArticle

Thin film transistors
inverters
Transistors
Electric properties
transistors
9 Citations (Scopus)

Application of nanoimprinting technology to organic field-effect transistors

Chou, W. Y., Chang, M. H., Cheng, H. L., Yu, S. P., Lee, Y. C., Chiu, C. Y., Lee, C. Y. & Shu, D. Y., 2010 Mar 12, In : Applied Physics Letters. 96, 8, 083305.

Research output: Contribution to journalArticle

organic semiconductors
field effect transistors
charge carriers
microelectronics
integrated circuits
3 Citations (Scopus)

Boron induced recrystallization of amorphous silicon film by a rapid thermal process

Chao, C. H., Weng, K. W., Cheng, H-L., Chan, C. H. & Lien, S. Y., 2010 Oct 1, In : Thin Solid Films. 518, 24, p. 7480-7482 3 p.

Research output: Contribution to journalArticle

Boron
Crystallization
silicon films
Amorphous silicon
Polysilicon
29 Citations (Scopus)

Controlling polymorphic transformations of pentacene crystal through solvent treatments: An experimental and theoretical study

Cheng, H. L. & Lin, J. W., 2010 Oct 6, In : Crystal Growth and Design. 10, 10, p. 4501-4508 8 p.

Research output: Contribution to journalArticle

Polymorphism
Crystals
Organic solvents
crystals
Tile
19 Citations (Scopus)

Electron transport properties in fluorinated copper-phthalocyanine films: Importance of vibrational reorganization energy and molecular microstructure

Wu, F. C., Cheng, H. L., Yen, C. H., Lin, J. W., Liu, S. J., Chou, W. Y. & Tang, F. C., 2010 Feb 26, In : Physical Chemistry Chemical Physics. 12, 9, p. 2098-2106 9 p.

Research output: Contribution to journalArticle

Electron transport properties
transport properties
Thin films
copper
microstructure

Plasma-beam-processed polyimide films for the alignment of liquid crystal molecules

Ho, T. Y., Lee, C. Y., Kuo, C. W., Tang, F-C., Liu, K. H., Cheng, H-L. & Chou, W-Y., 2010 Oct 29, In : Electrochemical and Solid-State Letters. 13, 12

Research output: Contribution to journalArticle

Liquid Crystals
polyimides
Polyimides
Liquid crystals
liquid crystals
5 Citations (Scopus)

Polymorphic transformation induced by nanoimprinted technology in pentacene-film early-stage growth

Chang, M. H., Chou, W-Y., Lee, Y-C., Cheng, H-L., Chung, H. Y., Chang, C. C., Chiu, C. Y. & Ho, T. Y., 2010 Nov 1, In : Applied Physics Letters. 97, 18, 183301.

Research output: Contribution to journalArticle

polymorphism
organic semiconductors
thin films
optoelectronic devices
polyimides
2009
34 Citations (Scopus)
transistors
hysteresis
thin films
boiling
solidification
24 Citations (Scopus)

Long-term operations of polymeric thin-film transistors: Electricfield-induced intrachain order and charge transport enhancements of conjugated poly(3-hexylthiophene)

Cheng, H. L., Lin, J. W., Jang, M. F., Wu, F. C., Chou, W. Y., Chang, M. H. & Chao, C. H., 2009 Nov 10, In : Macromolecules. 42, 21, p. 8251-8259 9 p.

Research output: Contribution to journalArticle

Thin film transistors
Polymer films
Charge transfer
Electric fields
Excitons
16 Citations (Scopus)

Organic complementary inverters with polyimide films as the surface modification of dielectrics

Chou, W-Y., Yeh, B. L., Cheng, H-L., Sun, B. Y., Cheng, Y. C., Lin, Y. S., Liu, S. J., Tang, F-C. & Chang, C. C., 2009 Jan 1, In : Organic Electronics. 10, 5, p. 1001-1005 5 p.

Research output: Contribution to journalArticle

inverters
polyimides
Polyimides
Surface treatment
CMOS
27 Citations (Scopus)

Raman spectroscopy applied to reveal polycrystalline grain structures and carrier transport properties of organic semiconductor films: Application to pentacene-based organic transistors

Cheng, H-L., Liang, X. W., Chou, W-Y., Mai, Y. S., Yang, C. Y., Chang, L. R. & Tang, F-C., 2009 Jan 1, In : Organic Electronics. 10, 2, p. 289-298 10 p.

Research output: Contribution to journalArticle

Semiconducting organic compounds
Carrier transport
Crystal microstructure
organic semiconductors
Transport properties
12 Citations (Scopus)

Thickness-dependent threshold voltage in polycrystalline pentacene-based thin-film transistors

Wang, Y. W. & Cheng, H-L., 2009 Oct 1, In : Solid-State Electronics. 53, 10, p. 1107-1111 5 p.

Research output: Contribution to journalArticle

Thin film transistors
Threshold voltage
threshold voltage
transistors
thin films
2008
60 Citations (Scopus)

Influence of electric field on microstructures of pentacene thin films in field-effect transistors

Cheng, H. L., Chou, W. Y., Kuo, C. W., Wang, Y. W., Mai, Y. S., Tang, F. C. & Chu, S. W., 2008 Jan 24, In : Advanced Functional Materials. 18, 2, p. 285-293 9 p.

Research output: Contribution to journalArticle

Field effect transistors
Organic field effect transistors
field effect transistors
Electric fields
Thin films
2007
8 Citations (Scopus)

Excimer laser irradiation induced suppression of off-state leakage current in organic transistors

Chou, W. Y., Lin, S. T., Cheng, H. L., Tang, F. C., Lin, Y. J., You, C. F. & Wang, Y. W., 2007 Jun 11, In : Applied Physics Letters. 90, 22, 222103.

Research output: Contribution to journalArticle

excimer lasers
leakage
transistors
retarding
irradiation
1 Citation (Scopus)

Flexible liquid crystal display film by plasma alignment method

Liu, K. H., Liao, C. C., Chou, W-Y., Cheng, H-L., Ho, C. T., Lin, S. T., Lee, C. Y. & Tang, H. C., 2007, In : Digest of Technical Papers - SID International Symposium. 38, 2, p. 1518-1521 4 p.

Research output: Contribution to journalArticle

Flexible displays
Liquid crystal displays
Plasmas
Zinc oxide
Indium
40 Citations (Scopus)

Influence of molecular structure and microstructure on device performance of polycrystalline pentacene thin-film transistors

Cheng, H. L., Mai, Y. S., Chou, W. Y. & Chang, L. R., 2007 May 21, In : Applied Physics Letters. 90, 17, 171926.

Research output: Contribution to journalArticle

molecular structure
transistors
microstructure
thin films
surface energy
5 Citations (Scopus)

Innovative plasma alignment method in flexible liquid crystal display films

Liu, K. H., Lee, C. Y., Ho, C. T., Cheng, H-L., Lin, S. T., Tang, H. C., Kuo, C. W., Liao, C. C., Shieh, H. P. D. & Chou, W-Y., 2007 Aug 17, In : Electrochemical and Solid-State Letters. 10, 10

Research output: Contribution to journalArticle

Flexible displays
Liquid Crystals
Liquid crystal displays
polyimides
Polyimides
11 Citations (Scopus)

Polymer light-emitting diodes with thermal inkjet printed poly(3,4-ethylenedioxythiophene):polystyrenesulfonate as transparent anode

Chou, W. Y., Lin, S. T., Cheng, H. L., Chang, M. H., Guo, H. R., Wen, T. C., Mai, Y. S., Horng, J. B., Kuo, C. W., Tang, F. C., Liao, C. C. & Chiu, C. L., 2007 Feb 26, In : Thin Solid Films. 515, 7-8, p. 3718-3723 6 p.

Research output: Contribution to journalArticle

Light emitting diodes
Anodes
Polymers
anodes
light emitting diodes
139 Citations (Scopus)

Thickness-dependent structural evolutions and growth models in relation to carrier transport properties in polycrystalline pentacene thin films

Cheng, H-L., Mai, Y. S., Chou, W-Y., Chang, L. R. & Liang, X. W., 2007 Nov 23, In : Advanced Functional Materials. 17, 17, p. 3639-3649 11 p.

Research output: Contribution to journalArticle

Carrier transport
Transport properties
Film thickness
Atomic force microscopy
film thickness
2006
25 Citations (Scopus)

Correlation of growth of pentacene films at various gas ambience conditions to organic field-effect transistor characteristics

Chou, W-Y., Mai, Y. S., Cheng, H-L., Yeh, C. Y., Kuo, C. W., Tang, F-C., Shu, D. Y., Yew, T. R. & Wen, T-C., 2006 Jan 1, In : Organic Electronics. 7, 6, p. 445-451 7 p.

Research output: Contribution to journalArticle

ambience
Organic field effect transistors
Thin film transistors
field effect transistors
Gases