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    State-of-the-art research facility

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    Efficient lead-free perovskite infrared light-emitting diodes

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    Perovskite quantum dots and single crystals

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    White gold nanocluster-based light-emitting diodes

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    Indium tin oxide nanowires

Publications

1. W. L. Hong, Y. C. Huang, C. Y. Chang, Z. C. Zhang, H. R. Tsai, N. Y. Chang, and Y. C. Chao* “Efficient Low-Temperature Solution-Processed Lead-Free Perovskite Infrared Light-Emitting Diodes.” Advanced Materials 28, 8029 (2016).

2. M. J. Talite, H. T. Lin, Z. C. Jiang, T. N. Lin, H. Y. Huang, E. Heredia, A. Flores, Y. C. Chao, J. L. Shen, C. A. Lin, and C. T. Yuan, “Solid-state, ambient-operation thermally activated delayed fluorescence from flexible, non-toxic gold-nanocluster thin films: towards the development of biocompatible light-emitting devices.” Nanotechnology 27, 345701 (2016).

3. H. C. Yu, G. Kwon, S. Vegiraju, C. W. Chao, L. H. Li, J. S. Ni, P. Y. Huang, S. L. Yau, Y. C. Chao*, C. Kim*, M. C. Chen*, “Functionalized Soluble Triethylsilylethynyl Anthradithiophenes (TESADTs) for Organic Electronic Devices.” Dyes and Pigments 126, 261 (2016).

4. Y. W. Cheng, C. H. Chen, H. F. Meng*, H. W. Zan*, Y. C. Chao*, and S. F. Horng, “Organic transistors fabricated by contact coating at liquid-solid interface for nano-structures.” AIP Advances 5, 107146 (2015).

5. Y. M. Chen, Y. Y. Lai, Y. C. Chao*, H. W. Zan*, H. F. Meng*, S. F. Horng, and C. H. Chang “Large-Area Nano-patterning and Fabrication of vertical transistor array by non-close-packed polystyrene spheres.” ACS Appl. Mat. Inter. 7, 18899-18903 (2015)

6. P. Y. Chang, S. F. Peng, Y. C. Chao*, H. C. Lin, H. W. Zan*, and H. F. Meng*, “Vertical organic transistors withstanding high voltage bias.” Appl. Phys. Lett. 106, 152201 (2015).

7. H. C. Lin, H. W. Zan*, Y. C. Chao*, M. Y. Chang, H. F. Meng*, “Review of solution-processed vertical organic transistor as a solid-state vacuum tube.” Semicon. Sci. Tech. 30, 054003 (2015).

8. H. D. Li, C. S. Hsu, F. M. Zhan, and Y. C. Chao*, “Efficiency Enhancement in Polymer Light-Emitting Diodes via Embedded Indium–Tin–Oxide Nanorods.” ACS Appl. Mat. Inter. 7, 7462–7465 (2015).

9. S. H. Hung, R. L. Kao, K. Y. Lin, C. C. Yang, Y. C. Chao, J. S. Wang, and K. C. Chiu*, “Characterization of facial and meridional Alq3 thin films fabricated from physical vapor transport at high substrate temperatures.” Mat. Chem. Phys. 154, 100-106 (2015).

10. S. H. Yang*, T. S. Lin, Y. Z. Huang, H. D. Li, and Y. C. Chao*, “Synthesis of Hyperbranched Polythiophenes Containing Tetrachloroperylene Bisimide as Bridging Moiety for Polymer Solar Cells.” Polymer 55, 6058–6068 (2014).

11. Y. C. Chao*, F. M. Zhan and H. D. Li, “Indium-tin-oxide nanorods for efficient light trapping in polymer solar cells.” RSC Advances 4, 30881–30886 (2014).

12. Y. W. Syu, P. Y. Huang, H. D. Li, C. L. Hsu, K. C. Chiu, C. Kim, M. C. Chen, Y. C. Chao*, “Enhanced performance of pseudo-bilayer organic photovoltaic devices via small molecule doping. ” The Journal of Physical Chemistry C 118, 9958-9965 (2014).

13. H. D. Li, T. S. Chen, Y. C. Chao*, “Polymer Nanowire Vertical Transistors.” Nano Research 7, 938–944 (2014).

14. Y. C. Chao*, Y. H. Lin, C. Y. Lin, H. D. Li, F. M. Zhan, Y. Z. Huang, “Improved light trapping in polymer solar cells by light diffusion ink.” J. Phys D: Appl. Phys. 47, 105102 (2014).

15. S. J. Tang, K. Y. Lin, Y. R. Zhu, H. Y. Huang, W. F. Ji, C. C. Yang, Y. C. Chao, J. M. Yeh, K. C. Chiu*, “Structural and electrical characterization of polyanilines synthesized from chemical oxidative polymerization via doping/de-doping/re-doping processes.” J. Phys D: Appl. Phys. 46, 505301 (2013)

16. E. C. Chen, H. C. Yeh, Y. C. Chao, H. F. Meng, H. W. Zan, Y. C. Liang, C. P. Huang, T. M. Chen, C. F. Wang, C. C. Chueh, W. C. Chen, S. F. Horng, “Infrared proximity sensor using organic light-emitting diode with quantum dots converter.” Org. Electron. 13, 2312–2318 (2012).

17. Y. F. Chang, C. Y. Chen, F. T. Luo, Y. C. Chao, H, F. Meng, H. W. Zan, H. W. Lin, S. F. Horng, T. C. Chao, H. C. Yeh, and M. R. Tseng, “Vacuum free lamination of low work function cathode for efficient solution-processed organic light-emitting diodes.” Org. Electron. 13, 388-393 (2012).

18. Y. C. Chao, C. H. Chung, H. W. Zan, H. F. Meng, M. C. Ku, “High-performance vertical polymer nanorod transistors based on air-stable conjugated polymer.” Appl. Phys. Lett. 99, 233308 (2011).

19. C. Y. Chen, H. W. Chang, Y. F. Chang, B. J. Chang, Y. S. Lin, P. S. Jian, H. C. Yeh, H. T. Chien, E. C. Chen, Y. C. Chao, H. F. Meng, H. W. Zan, H. W. Lin, S. F. Horng, Y. J. Cheng, F. W. Yen, I F. Lin, H. Y. Yang, K. J. Huang, and M. R. Tseng, “Continuous blade coating for multi-layer large-area organic light-emitting diode and solar cell.” J. Appl. Phys. 110, 094501 (2011).

20. Y. P. Lin, Y. C. Chao, H. F. Meng*, H. W. Zan and S. F. Horng, “Wide bandgap n-type and p-type semiconductor porous junction devices as photovoltaic cells.” J. Phys D: Appl. Phys. 44, 405103 (2011).

21. E. C. Chen, S. R. Tseng, Y. C. Chao, H. F. Meng, C. F. Wang, W. C. Chen, C. S. Hsu, and S. F. Horng, “Polymer infrared photo-detector with high sensitivity up to 1100 nm.” Synth. Met. 161, 1618-1622 (2011).

22. Y. C. Chao, Y. S. Huang, H. P. Wang, S. M. Fu, C. H. Huang, Y. C. Liang, W. C. Yang, Y. S. Huang, G. F. Chang, H. W. Zan, H. F. Meng, C. H. Hung, C. C. Fu, “An organic hydrogel film with micron-sized pillar array for real time and indicator-free detection of Zn2+.” Org. Electron. 12, 1899-1902 (2011).

23. Y. M. Liao, H. M. Shih, K. H. Hsu, C. S. Hsu, Y. C. Chao, S. C. Lin, C. Y. Chen, and H. F. Meng, “High-performance poly(2,3-diphenyl-1,4-phenylene vinylene)-based polymer light-emitting diodes by blade coating method.” Polymer 52, 3717-3724 (2011).

24. Y. C. Chao, H. K. Tsai, H. W. Zan, Y. H. Hsu, H. F. Meng, and S. F. Horng, “Enhancement-mode polymer space-charge-limited transistor with low switching swing of 96 mV/decade.” Appl. Phys. Lett. 98,223303 (2011).

25. Y. C. Chao, S. D. Yeh, H. W. Zan, G. F. Chang, H. F. Meng, C. H. Hung*, and T. C. Meng, “Integrated semiconductor optoelectronic devices for real-time and indicator-free detection of aqueous nitric oxide.” Org. Electron. 12,751 (2011).

26. E. C. Chen, C. Y. Shih, M. Z. Dai, H. C. Yeh, Y. C. Chao, H. F. Meng, H. W. Zan, W. R. Liu, Y. C. Chiu, Y. T. Yeh, C. J. Su, “Polymer infrared proximity sensor array.” IEEE Transactions on Electron Devices 58, 1215 (2011).

27. Z. Y. Liu, S. R. Tseng, Y. C. Chao, C. Y. Chen, H. F. Meng, S. F. Horng, Y. H. Wu, and S. H. Chen, “Solution-processed small molecular electron transport layer for multilayer polymer light-emitting diodes.” Synth. Met. 161,426 (2011).

28. C. Y. Chen, K. Y. Wu, Y. C. Chao, H. W. Zan, H. F. Meng, and Y. T. Tao, “Concomitant tuning of metal work function and wetting property with mixed self-assembled monolayers.” Org. Electron. 12, 148 (2011).

29. Y. C. Chao, M. C. Niu, H. W. Zan, H. F. Meng, and M. C. Ku, “High-mobility polymer space-charge-limited transistor with grid-induced crystallinity.” Org. Electron. 12, 78 (2011).

30. Y. C. Chao, S. Y. Huang, C. Y. Chen, Y. C. Chang, H. F. Meng, F. W. Yen, I F. Lin, H. W. Zan, and S. F. Horng, “Highly efficient solution-processed red organic light-emitting diodes with long-side-chained triplet emitter.” Synth. Met. 161, 148 (2011).

31. Y. C. Chao, S. D. Yeh, H. W. Zan, G. F. Chang, H. F. Meng, C. H. Hung, T. C. Meng, and S. F. Horng, “Real-time and indicator-free detection of aqueous nitric oxide with hydrogel film.” Appl. Phys. Lett. 96, 223702 (2010).

32. Y. C. Chao, C. Y. Chen, H. W. Zan, and H. F. Meng, “The influences of device geometry and p-type doping on solution-processed polymer space-charge-limited transistor.” J. Phys D: Appl. Phys. 43, 205101 (2010).

33. J. T. Shieh, C. H. Liu, H. F. Meng, S. R. Tseng, Y. C. Chao, and S. F. Horng, “The effect of carrier mobility in organic solar cells.” J. Appl. Phys. 107, 084503 (2010).

34. W. S. Syu, S. C. Lin, S. R. Tseng, C. Y. Chen, C. Y. Liu, Y. C. Chao, H. F, Meng, S. F. Horng, “Efficient multilayer red fluorescent polymer light-emitting diodes by host and guest blend system.” Synth. Met. 160, 871 (2010).

35. L. C. Ko, T. Y. Liu, C. Y. Chen, C. L. Yeh, S. R. Tseng, Y. C. Chao, H. F. Meng, S. C. Lo, P. L. Burn, and S. F Horng, “Multi-layer organic light-emitting diodes processed from solution using phosphorescent dendrimers in a polymer host.” Org. Electron. 11, 105 (2010).

36. Y. C. Chao, M. C. Ku, W. W. Tsai, H. W. Zan, H. F. Meng, and H. K. Tsai, “Polymer Space-Charge- Limited Transistor as a Solid-State Vacuum Tube Triode.” Appl. Phys. Lett. 97, 223307 (2010).

37. S. Y. Huang, H. F. Meng, H. L. Huang, T. C. Chao, M. R. Tseng, Y. C. Chao, and S. F. Horng, “Uniform dispersion of triplet emitters in multi-layer solution-processed organic light-emitting diodes.” Synth. Met. 160, 2393 (2010).

38. Y. C. Chao, Y. C. Lin, M. Z. Dai, H. W. Zan, and H. F. Meng, “Reduced hole injection barrier for achieving high on/off ratio and ultra-low voltage polymer space-charge-limited transistor”, Appl. Phys. Lett. 95, 203305 (2009). (This paper has been selected for the November 2009 issue of APL: Organic Electronics and Photonics.)

39. Y. C. Chao, W. J. Lai, C. Y. Chen, H. F. Meng, H. W. Zan, and S. F. Horng, “Low voltage active pressure sensor based on polymer space-charge-limited transistor.” Appl. Phys. Lett. 95, 253306 (2009).

40. W. W. Tsai, Y. C. Chao, H. W. Zan, and H. F. Meng, “Increasing organic vertical carrier mobility for the application of high speed bilayered organic photodetector.” Appl. Phys. Lett. 95, 213308 (2009). (This paper has been selected for the December 7, 2009 issue of Virtual Journal of Nanoscale Science & Technology.)

41. C. C. Liu, J. H. Li, C. C. Chang, Y. C. Chao, H. F. Meng, S. F. Horng, C. H. Hung and T. C. Meng, “Selective real-time nitric oxide detection by functionalized zinc oxide.” J. Phys. D: Appl. Phys. 42, 155105 (2009).

42. Y. C. Chao, M. H. Xie, M. Z. Dai, H. F. Meng, S. F. Horng, and C. S. Hsu, “Polymer hot-carrier transistor with low bandgap emitter.” Appl. Phys. Lett. 92, 093310 (2008).

43. Y. C. Chao, H. F. Meng, S. F. Horng, and C. S. Hsu, “High performance solution-processed polymer space-charge-limited transistor.” Org. Electron. 9, 310-316 (2008).

44. C.Y. Chen, Y. C. Chao, H. F. Meng, and S. F. Horng, “Light-emitting polymer space-charge-limited transistor.” Appl. Phys. Lett. 93, 223301 (2008).

45. Y. C. Chao, H. F. Meng, and S. F. Horng, “Polymer space-charge-limited transistor.”, Appl. Phys. Lett. 88, 223510 (2006).

46. Y. C. Chao, S. L. Yang, H. F. Meng, and S. F. Horng, “Polymer hot-carrier transistor”, Appl. Phys. Lett. 87, 253508 (2005).

47. C. M. Fu, Y. C. Chao, S. H. Hung, M. D. Yang, and Y. F. Wang, “Directly labeling ferrite nanoparticles with Tc99m radioisotope for diagnostic applications”, IEEE Trans. Mag. 40, 3003 (2004).

48. C. M. Fu, Y. C. Chao, S. H. Hung, C. P. Lin and J. Tang, “Impedance Spectra of Field-aligned CrO2 Needle–Shape Powders”, J. Magn. Magn. Mater. 282, 283 (2004).

49. C. M. Fu, C.Y. Hsu, Y. C. Chao, D. S. Kim, N. Matsushita, and M. Abe, “Tunnel magneto-impedance effect of the ZnNi-ferrite encapsulated NiFe microspheres”, J. Magn. Magn. Mater. 272, 1839 (2004).

50. H. S. Hsu, C. M. Fu, J. E. Dia, Y. C. Chao, H. S. Hung, J. C. A. Huang, “On the Characterization of Discontinuous Co80Fe20/α-Fe2O3 Multilayers by Ac Impedance Technology”, J. Magn. Magn. Mater. 282, 88 (2004).

51. C. M. Fu, C. Y. Hsu, Y. C. Chao, D. S. Kim, N. Matsushita, and M. Abe, “The electric and dielectric properties of the ZnNi-ferrite plated NiFe microspheres synthesized from aqueous solution”, IEEE Trans. Mag. 39, 3136 (2003).

52. C. M. Fu, H. S. Hsu, Y. C. Chao, N. Matsushita and M. Abe, “High-frequency transport properties of spin-spray plated Ni–Zn ferrite thin films”, J. Appl. Phys. 93, 7127 (2003).

53. C. M. Fu, P. C. Kao, H. S. Hsu, Y. C. Chao, C. C. Yu, and J. C. A. Huang, “Temperature variation of step-induced magnetic anisotropy in permalloy thin film grown on Mo stepped surface”, IEEE Trans. Mag. 38, 2667 (2002).

54. C. M. Fu, C. J. Lai, H. S. Hsu, Y. C. Chao, J. C. A. Huang, C. C. Wu and S. G. Shyu, “Characterization of magnetoimpedance on polycrystalline and amorphous chromium oxides bilayered thin films”, J. Appl. Phys. 91, 7143 (2002).