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Department of Physics,National Taiwan University

Faculty(by Research)

Yang-Fang Chen

Name   陳永芳
  Yang-Fang Chen
Title   Chair professor
Education   Ph. D.,Purdue University(1984)
Room   403
Tel   02-3366-5125


  1.   Outstanding research award of National Science Council of Republic of China. (1997-1998, 1995-1996, 1994-1995)
  2.   Distinguished research fellow of National Science Council of Republic of China. (1998-2004)
  3.   Sun Yat-Sen Academic Award (1994)
  4.   Guest Editor of Journal of Chemistry and Physics of Solids. (2000-2001)
  5.   National Lecture Chair of Ministry of Education of Republic of China. (2001)
  6.   Hou Jindui Outstanding Honor Award (2001)
  7.   Outstanding teacher award. (2001, 2003, 2005)
  8.   Fellow of Chinese Physical Society and World Innovation Foundation (2002)
  9.   Chair professor of National Taiwan University. (2006-2023)
  10.   TSMC research award. (first prize, 2007)
  11.   Academician of Asia Pacific Academy of Materials. (2013)
  12.   Lam outstanding research award. (2007, 2008, 2009, 2011, 2013, 2015, 2016, 2017, 2018, 2019, 2020)
  13.   Referee for International Journal:Physical Review Letters, Physical Review, Journal of Chemistry and Physics, IEEE Electronic Devices Letters, Applied Physics Letters, Journal of Applied Physics, Journal of Electrochemical Society, Journal of Crystal Growth, Nature Communication, Advanced Materials…etc.
  14.   Member of Editorial Board for International Journal:Scientific Reports, Journal of Lasers Optics and Photonics, and The Scientific Pages of Robotics.
  15.   Advisory Committee:National Development Foundation of Executive Yuan, National Nano-devices Lab, High Scope Educational Program for Emerging Science and Technology of Ministry of Science and Technology.
  16.   The International Pure and Applied Physics C8 Commission on Semiconductor (2021)
The main research interest is in the studies of electric and optical properties of semiconductor materials. The concentrated topics are: quantum effects induced by structural confinements, including quantum well, quantum wire, and quantum dot; hydrogen passivation; alloy disorder induced potential fluctuations; changes of effective masses in various conditions; nitride semiconductors; silicon based alloy. The main experimental systems are photochemical and plasma enhanced deposition systems, micro- photoluminescence, far-infrared magneto spectroscopy, photoconductivity, micro-Raman scattering, and near-field optics.
Selected Publication
  1. H. H. J. Chang, T.W. Chen, J.W. Chen, W. C. Hong, W. C. Tsai, Y. F. Chen*, and G.Y. Guo,“Current and Strain-Induced Spin Polarization in InGaN/GaN Superlattices”, Phys. Rev. Lett.,98, 136403, (2007)
  2. S.P. Fu, C.J. Yu, T.T. Chen, G.M. Hsu, M.J. Chen, L.C. Chen, K.S. Chen, and Y.F. Chen, “Anomalous optical properties of InN nanobelts: evidence of surface band bending and photoelastic effect”, Adv. Mater., 19 4524 (2007)
  3. Y.S. Lin, Y. Hung, H.Y. Lin, Y.H. Tseng, Y.F. Chen and, C.Y. Mou, “Photonic crystals from monodispersed lanthanide hydroxide silica”, Adv. Mater., 19, 577 (2007)
  4. K.J. Wu, K.C. Chu, C.Y. Chao, Y.F. Chen*, C.W. Lai, C.C. Kang, C.Y. Chen, P.T. Chou, “CdS nanorods imbedded in liquid crystal cells for smart optoelectronic devices”, Nano Lett., 7, 1908 (2007)
  5. C.W. Hsu, A. Ganguly, C.H. Liang, C.T. Wu, Y.F. Chen, , et al., “Enhanced emission of (In, Ga) nitride nanowires embedded with self-assembled quantum dots”, Adv. Funct. Mater., 18, 938 (2008)
  6. Y.P. Hsieh, H.Y. Chen, M.Z. Lin, S.C. Shiu, M.Y. Chern, X.T. Jia, H. J. Chang, H.M. Huang, S.C. Tseng, L.C. Chen, K.H. Chen, C.F. Lin, C.T. Liang and Y.F. Chen*, “Electroluminescence from ZnO/Si-nanotips light emitting diodes”, Nano Lett., 9 (5), pp 1839–1843 (2009)
  7. Hang-Kuei Fu, Cheng-Liang Cheng, Chun-Hsiung Wang, Tai-Yuan Lin, Yang-Fang Chen, “Selective Angle Electroluminescence of Light-Emitting Diodes based on Nanostructured ZnO/GaN Heterojunctions”, Advanced Functional Materials, 19, 3471-3475(2009.11)
  8. H. L. Tu, Y. S. Lin, H. Y. Lin, Y. Hung, L. W. Lo, Y. F. Chen, and C. Y. Mou, “In-vitro studies of functionalized mesoporous silica nanoparticles for photodynamic therapy”, Adv. Mater., 21, 172 (2009)
  9. Chun-Ying Huang, Di-Yan Wang, Chun-Hsiung Wang, Yung-Ting Chen, Yaw-Tyng Wang, You-Ting Jiang, Ying-Jay Yang, Chia-Chun Chen, and Yang-Fang Chen*, “Efficient Light Harvesting by Photon Downconversion and Light Trapping in Hybrid ZnS Nanoparticles/Si Nanotips Solar Cells”, ACS Nano 4, 10, 5849–5854 (2010)
  10. Ming-Chung Wu, Jussi Hiltunen, Andras Sapi, Anna Avila, William Larsson, Hsueh-Chung Liao, Mika Huuhtanen, Geza Toth, Andrey Shchukarev, Noemi Laufer, Akos Kukovecz, Zoltan Konya, Jyri-Pekka Mikkola, Riitta Keiski, Wei-Fang Su, Yang-Fang Chen, Heli Jantunen, Pulickel M. Ajayan, Robert Vajtai*, Krisztian Kordas, “Nitrogen-Doped Anatase Nanofibers Decorated with Noble Metal Nanoparticles for Photocatalytic Production of Hydrogen”, ACS nano, 5, 5025 (2011.06)
  11. Hsueh-Chung Liao, Cheng-Si Tsao, Tsung-Han Lin, Meng-Huan Jao, Chih-Min Chuang, Sheng-Yong Chang, Yu-Ching Huang, Yu-Tsun Shao, Charn-Ying Chen, Chun-Jen Su, U-Ser Jeng, Yang-Fang Chen, and Wei-Fang Su*, “Nanoparticle Tuned Self-Organization of Bulk Heterojunction Hybrid Solar Cell with Enhanced Performance”, ACS Nano 6, 1657-1666 (2012)
  12. Meng-Lin Lu, Chih-Wei Lai, Hsing-Ju Pan, Chung-Tse Chen, Pi-Tai Chou, Yang-Fang Chen*, “A Facile Integration of Zero- (I-III-VI Quantum Dots) and One- (Single SnO2 Nanowire) Dimensional Nanomaterials: Fabrication of a Nanocomposite Photodetector with Ultrahigh Gain and Wide Spectral Response”, Nano Letters, 13, 1920−1927 (2013)
  13. Hsueh-Chung Liao, Cheng-Si Tsao*, Yu-Tsun Shao, Sheng-Yung Chang, Yu-Ching Huang, Chih-Min Chuang, Tsung-Han Lin, Charn-Ying Chen, Chun-Jen Su, U-Ser Jeng, Yang-Fang Chen, Wei-Fang Su*, “Bi-hierarchical nanostructures of donor-acceptor copolymer and fullerene for high efficient bulk heterojunction solar cells”, Energy & Environmental Science, 6, 1938-1948 (2013)
  14. Y.C. Lai, J.Y. Chen, T.C. Chang, Y.T. Yang, F.C. Hsu, and Y.F. Chen*, “Transferable and Flexible Label-Like Macromolecular Memory on Arbitrary Substrates with High Performance and a Facile Methodology”, Advanced Materials, 25, 2733–2739 (2013)
  15. Che-Wei Chang, Wei-Chun Tan, Meng-Lin Lu, Tai-Chun Pan, Ying-Jay Yang, Yang-Fang Chen*, “Graphene/SiO2/p-GaN Diodes: An Advanced Economical Alternative for Electrically Tunable Light Emitters”, Advanced Functional Materials, 23, 4043-4048 (2013)
  16. J. Y. Chen, C. Y. Ho, M. L. Lu, L. J. Chu, K. C. Chen, S. W. Chu, W. Chen, C. Y. Mou, and Y. F. Chen*, “Efficient Spin-Light Emitting Diodes Based on InGaN/GaN Quantum Disks at Room Temperature: A New Self-Polarized Paradigm”, Nano Letters, Nano Letters, 14, 3130 (2014)
  17. Ying-Chih Lai, Yi-Xiang Wang, Yi-Chuan Huang, Tai-Yuan Lin, Ya-Ping Hsieh, Ying-Jay Yang and Yang-Fang Chen*, “Rewritable, moldable, and flexible sticker-type organic memory on arbitrary substrates”, Advanced Functional Materials, 24, 1430–1438 (2014)
  18. Ju-Ying Chen, Tong-Ming Wong, Che-Wei Chang, Chen-Yuan Dong, and Yang-Fang Chen* “Self-polarized spin-nanolasers”, Nature Nanotechnology, 9, 845 (2014)
  19. Tzu-Min Sun, Cih-Su Wang, Chi-Shiun Liao, Lin-Shih Yao, Packiyaraj Perumal, Chia-Wei Chiang, and Yang-Fang Chen*, “Stretchable Random Lasers with Tunable Coherent Loops”, ACS Nano, 9, 12436-12441 (2015)
  20. Cih-Su Wang, Chuan-Hsien Nieh, Tai-Yuan Lin andYang-Fang Chen*, “Electrically driven random laser memory”, Advanced Functional Materials, 25, 4058-4063 (2015)
  21. Golam Haider, Muhammad Usman, Tzu-Pei Chen, Packiyaraj Perumal, Kuang-Lieh Lu*, and Yang-Fang Chen*, “Electrically Driven White Light Emission from Intrinsic Metal-Organic Framework”, ACS Nano, 10, 8366 (2016)
  22. Packiyaraj Perumal, Rajesh Kumar Ulaganathan, Raman Sankar, Yu-Ming Liao, Tzu-Min Sun, Ming-Wen Chu, Fang Cheng Chou, Yit-Tsong Chen, Min-Hsiung Shih, Yang-Fang Chen*, “Ultra-Thin Layered Ternary Single Crystals [Sn(SxSe1-x)2] with Bandgap Engineering for High Performance Phototransistors on Versatile Substrates”, Advanced Functional Materials, 26, 3630 (2016)
  23. Golam Haider, Prathik Roy, Chia-Wei Chiang, Wei-Chun Tan, Yi-Rou Liou, Huan-Tsung Chang, Chi-Te Liang, Wei-Heng Shih, Yang-Fang Chen*, “Electrical-Polarization-Induced Ultrahigh Responsivity Photodetectors Based on Graphene and Graphene Quantum Dots”, Advanced Functional Materials, 26, 620 (2016)
  24. Ying-Chih Lai, Bo-Wei Ye, Chun-Fu Lu, Chien-Tung Chen, Meng-Huan Jao, Wei-Fang Su, Wen-Yi Hung, Tai-Yuan Lin, Yang-Fang Chen*, “Extraordinarily Sensitive and Low-Voltage Operational Cloth-Based Electronic Skin for Wearable Sensing and Multifunctional Integration Uses: A Tactile Induced Insulating-to-Conducting Transition”, Advanced Functional Materials 23, 1286-1295 (2016)
  25. Han-Wen Hu, Golam Haider, Yu-Ming Liao, Pradip Kumar Roy, Rini Ravindranath, Huan-Tsung Chang, Cheng-Hsin Lu, Chang-Yang Tseng, Tai-Yung Lin, Wei-Heng Shih, Yang-Fang Chen*, “Wrinkled 2D Materials: A Versatile Platform for Low-Threshold Stretchable Random Lasers”, Advanced Materials, 29, 1703549 (2017)
  26. Xiaoyu Shi, Yu-Ming Liao, Hsia-Yu Lin, Po-Wei Tsao, Meng-Jer Wu, Shih-Yao Lin, Hsiu-Hao Hu, Zhaona Wang, Tai-Yuan Lin, Ying-Chih Lai, and Yang-Fang Chen*, “Dissolvable and Recyclable Random Lasers”, ACS Nano, 11, 7600-7607 (2017)
  27. Wei-Chun Tan, Yu-Chi Chen, Yi-Rou Liou, Han-Wen Hu, Mario Hofmann* and Yang-Fang Chen*, “An Arbitrary Color Light Emitter”, Advanced Materials, 29, 1604076 (2017)
  28. Golam Haider, Rini Ravindranath, Tzu-Pei Chen, Prathik Roy, Pradip Kumar Roy, Shu-Yi Cai, Huan-Tsung Chang and Yang-Fang Chen*, “Dirac point induced ultralow-threshold laser and giant optoelectronic quantum oscillations in graphene-based heterojunctions”, Nature Communications, 8, 256 (2017)
  29. Golam Haider*, Hung-I Lin, Kanchan Yadav, Kun-Ching Shen, Yu-Ming Liao, Han-Wen Hu, Pradip Kumar Roy, Krishna Prasad Bera, Kung-Hsuan Lin, Hsien-Ming Lee, Yit-Tsong Chen, Fu-Rong Chen, and Yang-Fang Chen*, “A Highly-Efficient Single Segment White Random Laser”, ACS Nano, 12, 11847-11859 (2018)
  30. Monika Kataria, Kanchan Yadav, Shu-Yi Cai, Yu-Ming Liao, Hung-I Lin, Tien Lin Shen, Ying-Huan Chen, Yit-Tsong Chen*, Wei-Hua Wang, Yang-Fang Chen*, “Highly Sensitive, Visible Blind, Wearable, and Omnidirectional Near-Infrared Photodetectors”, ACS Nano, 12, 9596-9607(2018)
  31. Krishna Prasad Bera, Golam Haider, Muhammad Usman, Pradip Kumar Roy, Hung-I Lin, Yu-Ming Liao, Christy Roshini Paul Inbaraj, Yi-Rou Liou, Monika Kataria, Kuang-Lieh Lu, Yang-Fang Chen*, “Trapped Photons Induced Ultrahigh External Quantum Efficiency and Photoresponsivity in Hybrid Graphene/Metal-Organic Framework Broadband Wearable Photodetectors”, Adv. Funct. Mater., 1804802 (2018))
  32. Yun-Tzu Hsu, Chia-Tse Tai, Hsing-Mei Wu, Cheng-Fu Hou, Yu-Ming Liao, Wei-Cheng Liao, Golam Haider, Yung-Chi Hsiao, Chi-Wei Lee, Shu-Wei Chang, Ying-Huan Chen, Min-Hsuan Wu, Rou-Jun Chou, Krishna Prasad Bera, Yen-Yu Lin, Yi-Zih Chen, Monika Kataria, Shih-Yao Lin, Christy Roshini Paul Inbaraj, Wei-Ju Lin, Wen-Ya Lee, Tai-Yuan Lin, Ying-Chih Lai*, Yang-Fang Chen*, “Self-Healing Nanophotonics: Robust and Soft Random Lasers”, ACS Nano, 13, 8977-8985 (2019)
  33. T. N. Lin, S. R. M. Santiago, S. P. Caigas, C. T. Yuan, T. Y. Lin, J. L. Shen* and Y. F. Chen, “Many-body effects in doped WS2 monolayer quantum disks at room temperature”, npj 2D Materials and Applications, 3, 46 (2019)
  34. Krishna Prasad Bera, Golam Haider, Yu-Ting Huang, Pradip Kumar Roy, Christy Roshini Paul Inbaraj, Yu-Ming Liao, Hung-I Lin, Cheng-Hsin Lu, Chun Shen, Wan Y Shih, Wei-Heng Shih, Yang-Fang Chen*“Graphene Sandwich Stable Perovskite Quantum-Dot Light-Emissive Ultrasensitive and Ultrafast Broadband Vertical Phototransistors”, ACS Nano, 13, 12540-12552 (2019)
  35. Guan‐Zhang Lu, Meng‐Jer Wu, Tzu‐Neng Lin, Chi‐Yuan Chang, Wei‐Ling Lin, Yi Ting Chen, Chen‐Fu Hou, Hao‐Jan Cheng, Tai‐Yuan Lin*, Ji‐Lin Shen*, Yang‐Fang Chen*, “Electrically Pumped White‐Light‐Emitting Diodes Based on Histidine‐Doped MoS2 Quantum Dots”, Small, 15, 1901908 (2019)
  36. Samik Jhulki, Jeehong Kim, In-Chul Hwang, Golam Haider, Jiyong Park, Ji Young Park, Yeonsang Lee, Wooseup Hwang, Ajaz Ahmed Dar, Barun Dhara, Sang Hoon Lee, Juho Kim, Jin Young Koo, Moon Ho Jo, Chan-Cuk Hwang, Young Hwa Jung, Youngsin Park, Monika Kataria, Yang-Fang Chen, Seung-Hoon Jhi*, Mu-Hyun Baik*, Kangkyun Baek*, Kimoon Kim*, “Solution-Processable, Crystalline π-Conjugated Two-Dimensional Polymers with High Charge Carrier Mobility”, Chem, 6, 2035-2045 (2020)
  37. Tien-Lin Shen, Han-Wen Hu, Wei-Ju Lin, Yu-Ming Liao, Tzu-Pei Chen, Yu-Kuang Liao, Tai-Yuan Lin, Yang-Fang Chen*, “Coherent Förster resonance energy transfer: A new paradigm for electrically driven quantum dot random lasers”, Science Advances, 6, eaba1705 (2020)
  38. Rapti Ghosh, Hung‐I Lin, Yu‐Siang Chen, Mukesh Singh, Zhi‐Long Yen, Shengkuei Chiu, Hsia‐Yu Lin, Krishna P Bera, Yu‐Ming Liao, Mario Hofmann, Ya‐Ping Hsieh, Yang‐Fang Chen*, “QD/2D Hybrid Nanoscrolls: A New Class of Materials for High‐Performance Polarized Photodetection and Ultralow Threshold Laser Action”, Small, 16, 2003944 (2020)
  39. Shu-Yuan Chiang, Yueh-Yuan Li, Tien-Lin Shen, Mario Hofmann*, Yang-Fang Chen*, “2D Material-Enabled Nanomechanical Bolometer”, Nano Lett., 20, 2326 (2020)
  40. Hung-I Lin, Chun-Che Wang, Kun-Ching Shen, Mikhail Y Shalaginov, Pradip Kumar Roy, Krishna Prasad Bera, Monika Kataria, Christy Roshini Paul Inbaraj, Yang-Fang Chen*, “Enhanced laser action from smart fabrics made with rollable hyperbolic metamaterials”, npj Flexible Electronics, 4, 1-10 (2020)
  41. Chi‐Yuan Chang, Hsin‐Hsiang Huang, Hsinhan Tsai, Shu‐Ling Lin, Pang‐Hsiao Liu, Wei Chen, Fang‐Chi Hsu, Wanyi Nie*, Yang‐Fang Chen*, Leeyih Wang*, “Facile Fabrication of Self‐Assembly Functionalized Polythiophene Hole Transporting Layer for High Performance Perovskite Solar Cells”, Advanced Science, 8, 2002718 (2021)
  42. Meng-Jer Wu, Shang-Cheng Wu, Tien-Lin Shen, Yu-Ming Liao, and Yang-Fang Chen*, “Anderson Localization Enabled Spectrally Stable Deep-Ultraviolet Laser Based on Metallic Nanoparticle Decorated AlGaN Multiple Quantum Wells”, ACS Nano, 15, 330-337 (2021)
  43. Christy Roshini Paul Inbaraj, Roshan Jesus Mathew, Rajesh Kumar Ulaganathan, Raman Sankar, Monika Kataria, Hsia Yu Lin, Yit-Tsong Chen, Mario Hofmann*, Chih-Hao Lee, Yang-Fang Chen*, “A Bi-Anti-Ambipolar Field Effect Transistor”, ACS Nano, 15, 8686-8693 (2021)
  44. Golam Haider, Krishna Sampathkumar, Tim Verhagen, Lukáš Nádvorník, Farjana J Sonia, Václav Valeš, Jan Sýkora, Peter Kapusta, Petr Němec, Martin Hof, Otakar Frank, Yang‐Fang Chen, Jana Vejpravová, Martin Kalbáč, “Superradiant Emission from Coherent Excitons in van Der Waals Heterostructures”, Advanced Functional Materials, 31, 2102196 (2021)
  45. Yu-Siang Chen, Sheng-Kuei Chiu, De-Liang Tsai, Chong-Yo Liu, Hsiang-An Ting, Yu-Chi Yao, Hyungbin Son, Golam Haider, Martin Kalbáč, Chu-Chi Ting, Yang-Fang Chen, Mario Hofmann, Ya-Ping Hsieh, “Mediator-assisted synthesis of WS2 with ultrahigh-optoelectronic performance at multi-wafer scale”, npj 2D Materials and Applications 6 (1), 1-8 (2022)
  46. Y.-C. Chien, T.-L. Shen, W.-K. Wu, C.-Y. Li, H.-T. Chin, C.-W. Chang, T.-Y. Lin, S.-H. Chang, J.-L. Shen*, Y.-F.Chen*, “Ultrathin, transparent, flexible, and dual-side white light-responsive two-dimensional molybdenum disulfide quantum disk light-emitting diodes”, Materials Today Nano, 18, 100173 (2022)
  47. Rapti Ghosh, Mukesh Singh, Li Wei Chang, Hung-I Lin, Yu Siang Chen, Jeyavelan Muthu, Bhartendu Papnai, Yi Sun Kang, Yu-Ming Liao, Krishna Prasad Bera, Guang-Yu Guo, Ya-Ping Hsieh*, Mario Hofmann*, and Yang-Fang Chen*, “Enhancing the Photoelectrochemical Hydrogen Evolution Reaction through Nanoscrolling of Two-Dimensional Material Heterojunctions”, ACS Nano, 16, 5743-5751 (2022)