OUYANG Jianyong

OUYANG Jianyong

OUYANG Jianyong

Senior Investigator

mseoj@nus.edu.sg

Education

1993 Tsinghua University, Chemistry, Beijing, China, B. Sc.
1996 Chinese Academy of Sciences, Institute of Chemistry, Materials Chemistry, Beijing, China, M.S.
1999 Institute for Molecular Science, Solid State Physics, Japan, Ph.D.


Work Experience

1999 – 2000 Visiting Scientist, Institute for Molecular Science, Japan
2000 – 2001 Assistant Professor, School of Materials Science, Japanese Advanced Institute of Science and Technology, Ishikawa, Japan
2001 – 2006 Postdoctoral Researcher, Department of Materials Science and Engineering, University of California, Los Angeles, USA
2006 – 2012 Assistant Professor, Department of Materials Science and Engineering, NUS
2012 – Present Associate Professor, Department of Materials Science and Engineering, NUS


Research Interests

Flexible thermoelectrics, including ionic thermoelectric materials, thermoelectric polymers and composites, and flexible thermoelectric devices
Flexible electronics, including conducting polymers, transparent electrodes, stretchable electrodes, and sensors


Honor&Award

Distinguished Award for Novel Materials and Their Synthesis by International Union of Pure and Applied Chemistry & Organization Committee of Novel Materials and Their Synthesis, (IUPAC & NMS), 2015
NUS Young Investigator Award, 2007
Co-winner of Beijing Science and Technology Award, 2005
Amada Award for Science and Technology Research, the Japan-China Science and Technology Exchange Association, Tokyo, Japan. 1999
Highest President Award for Top 20 Graduate Students, Chinese Academy of Sciences. 1996


Representative Publications

[1] Hao He, Lei Zhang, Shizhong Yue, Suzhu Yu, Jun Wei, and Jianyong Ouyang*, “Enhancement in the mechanical stretchability of PEDOT:PSS films by compounds of multiple hydroxyl groups for their application as transparent stretchable conductor”, Macromolecules, 2021, 54, 1234.

[2] Zeng Fan, Yaoyun Zhang, Lujun Pan,* Jianyong Ouyang* and Qian Zhang, “Recent developments in flexible thermoelectrics: From materials to devices”, Renewable and Sustainable Energy Reviews, 2021, 137, 110448.

[3] Yuanlai Fang, Hanlin Cheng*, Hao He, Shan Wang, Jianmin Li, Shizhong Yue, Lei Zhang, Zongliang Du, and Jianyong Ouyang*, “Stretchable and transparent ionogels with high thermoelectric properties”, Advanced Functional Materials, 2004699.

[4] Lei Zhang, Senthil Kumar Kirthika, Hao He, Catherine Jiayi Cai, Xu He, Huxin Gao, Shizhong Yue, Changsheng Li, Raymond Chee-Seong Seet, Hongliang Ren*, Jianyong Ouyang*, “Fully Organic, Skin-compliant, Self-adhesive and Stretchable Dry Electrodes for Long-term Motion-robust Epidermal Biopotential Monitoring”, Nature Communications, 2020, 11, 4683. (highlighted in X-Mol)

[5] Hanlin Cheng and Jianyong Ouyang, “Ultrahigh Thermoelectric Power Generation from Both Ion Diffusion by Temperature Fluctuation and Hole Accumulation by Temperature Gradient”, Advanced Energy Materials, 2020, 10, 2001633.

[6] Xu He, Hanlin Cheng*, Shizhong Yue, Jianyong Ouyang*, “Quasi-Solid State Nanoparticle/(Ionic Liquid) Gels with Significantly High Ionic Thermoelectric Properties”, Journal of Materials Chemistry A , 2020,8, 10813 - 10821.

[7] Hanlin Cheng, Xu He, Zeng Fan, Jianyong Ouyang*, “Flexible Quasi-Solid State Ionogels with Remarkable Seebeck Coefficient and High Thermoelectric Properties”, Advanced Energy Materials, 2019, 9, 1901085.

[8] Hao He, Lei Zhang, Xin Guan, Hanlin Cheng, Xixia Liu, Suzhu Yu, Jun Wei, Jianyong Ouyang*, “Biocompatible conductive polymers with high conductivity and high stretchability”, ACS Applied Materials & Interfaces, 2019, 11, 26185-26193.

[9] Pengcheng Li, Yuzhe Wang, Ujjaval Gupta, Jun Liu, Lei Zhang, Donghe Du, Choon Chiang Foo, Jianyong Ouyang*, Jian Zhu*, “Transparent soft robots for effective camouflage”, Advanced Functional Materials, 2019, 29, 1901908.

[10] Zhimeng Yu, Wei Feng, and Jianyong Ouyang*, “MXenes with Tunable Work Functions and Their Application as Electron- and Hole-Transport Materials of Non-Fullerene Organic Solar Cells”, Journal of Materials Chemistry A, 2019, 7, 11160 - 11169.

[11] Hikmet Coskun, Furkan H. Isikgor, Zhihui Chen, Muhammad Imran, Bichen Li, Qinghua Xu, and Jianyong Ouyang*, “Thermally Evaporated Two-Dimensional SnS as an Efficient and Stable Electron Collection Interlayer for Inverted Planar Perovskite Solar Cells”, Journal of Materials Chemistry A, 2019, 7, 4759-4765.

[12] Bichen Li, Zhihui Chen, Hongyan Yao, Xin Guan, Zhimeng Yu, Furkan Halis Isikgor, Hikmet Coskun, Qinghua Xu, and Jianyong Ouyang*, “Enhancement in the Photovoltaic Performance of Planer Perovskite Solar Cells by Perovskite Cluster Engineering Using Interfacial Energy Modifier”, Nanoscale, 2019, 11, 3216-3221.

[13] Zeng Fan and Jianyong Ouyang*, “Thermoelectric Properties of PEDOT:PSS”, Advanced Electronic Materials, 2019, 1800769.

[14] Hongyan Yao, Zeng Fan, Pengcheng Li, Bichen Li, Xin Guan, Donghe Du and Jianyong Ouyang*, “Solutionally processed intrinsically conductive polymer films with high thermoelectric properties and good air stability”, Journal of Materials Chemistry A, 2018, 6, 24496 - 24502.

[15] Muhammad Imran, Hikmet Coşkun, Furkan H. Isikgor, Li Bichen, Nawazish A. Khan and Jianyong Ouyang*, “Highly Efficient and Stable Inverted Perovskite Solar calls with Two-dimensional ZnSe Deposited by Thermal Evaporator for Electron Collection”, Journal of Materials Chemistry A, 2018,6, 22713-22720.

[16] B. Tee* and Jianyong Ouyang*, “Soft Electronically Functional Polymeric Composite Materials for A Flexible and Stretchable Digital Future”, Advanced Materials, 2018, 30, 1802560.

[17] Zeng Fan, Donghe Du, Xin Guan, and Jianyong Ouyang*, “Polymer Films with Ultrahigh Thermoelectric Properties Arising from Significant Seebeck Coefficient Enhancement by Ion Accumulation on Surface”, Nano Energy, 2018, 51, 481-488.

[18] Bichen Li, Furkan Isikgor, Hikmet Coskun, and Jianyong Ouyang*, “Methylammonium Iodide Effect on the Supersaturation and Interfacial Energy of the Crystallization of Methylammonium Lead Triiodide Single Crystals”, Angewandte Chemie International Edition, 2017, 56, 16073-16076.

[19] Yijie, Xia, Jie Fang, Pengcheng Li, Bangmin Zhang, Hongyan Yao, Jingsheng Chen, Jun Ding, Jianyong Ouyang*, “Solution-Processed Highly Superparamagnetic and Conductive PEDOT:PSS/Fe3O4 Nanocomposite Films with High Transparency and High Mechanical Flexibility”, ACS Applied Materials & Interfaces, 2017, 9, 19001–19010.

[20] Zeng Fan, Pengcheng Li, Donghe Du and Jianyong Ouyang*, “Significantly Enhanced Thermoelectric Properties Of PEDOT:PSS Films through Sequential Post Treatments with Common Acids and Bases”, Advanced Energy Materials, 2017, 7, 1602116.

[21] Jingjing Chang, Juanxiu Xiao, Zhenhua Lin, Hai Zhu, Qing-Hua Xu, Kaiyang Zeng, Yue Hao and Jianyong Ouyang*, “Elucidating the Charge Carrier Transport and Extraction in Planar Heterojunction Perovskite Solar Cells by Kelvin Probe Force Microscopy”, Journal of Materials Chemistry A, 2016, 4, 17464-17472.

[22] Zhimeng Yu, Yijie Xia, Donghe Du, Jianyong Ouyang*, “PEDOT:PSS Films with Metallic Conductivity through a Treatment with Common Organic solutions of Organic Salts and Their Application as Transparent Electrode of Polymer Solar Cells”, ACS Applied Materials & Interfaces, 2016, 8, 11629-11638.

[23] Y. Xia, K. Sun, J. Chang, and J. Ouyang*, “Effects of Organic Inorganic Hybrid Perovskite Materials on the Electronic Properties and Morphology of Poly(3,4-ethylenedioxythiophene): Poly(styrenesulfonate) and the Photovoltaic Performance of Planar Perovskite Solar cells”, J. Mater. Chem. A, 2015, 3, 15897-15904.

[24] K. Sun, P. Li, Y. Xia, J. Chang, and J. Ouyang*, “Transparent conductive oxide-free perovskite solar cells with PEDOT:PSS as transparent electrode”, ACS Appl.Mater. Interfaces , 2015, 7, 15314-15320.

[25] K. Sun, J. Chang, F. H. Isikgor, P. Li and J. Ouyang*, “Efficiency enhancement of planar perovskite solar cells by adding zwitterion/LiF double interlayers for electron collection”, Nanoscale, 2015, 7, 896-900.

[26] J. Ouyang*, “Solution-Processed PEDOT:PSS Films with Conductivities as Indium Tin Oxide through a Treatment with Mild and Weak Organic Acids”, ACS Appl. Mater. Interfaces, 2013, 5, 13082-13088.

[27] Huiqin Zheng, Chin Yong Neo, Jianyong Ouyang*, “Highly Efficient Iodide/Triiodide Dye-Sensitized Solar Cells with Gel-Coated Reduce Graphene Oxide/Single-Walled Carbon Nanotube Composites as the Counter Electrode Exhibiting an Open-Circuit Voltage of 0.90 V”, ACS Applied Materials & Interfaces, 2013, 5, 6657–6664.

[28] Chin Yong Neo, Jianyong Ouyang*, “LiF-doped mesoporous TiO2 as the photoanode of highly efficient dye-sensitized solar cells”, Journal of Power Sources, 2013, 241, 647-653.

[29] Y. Xia, K. Sun, and J. Ouyang*, “Solution-Processed Metallic Conducting Polymer Films as Transparent Electrode of Optoelectronic Devices”, Adv. Mater. 2012, 24, 2436-2440.

[30] Jianyong Ouyang and Yang Yang, “Conducting polymer as transparent electric glue”, Advanced Materials, 2006, 18, 2141-2144.

[31] J. Ouyang, K. Yakushi, Y. Misaki and K. Tanaka, “Raman spectroscopic evidence for the charge disproportionation in a quasi-two-dimensional organic conductor θ-(BDT-TTP)2Cu(NCS)2”, Physical Review B, 2001, 63, 054301.


Book

[1] Lijun Hu, Ke Yang, Wei Chen, Falin Wu, Jiehao Fu, Wenbo Sun, Hongyan Huang, Baomin Zhao, Kuan Sun and Jianyong Ouyang, Chapter 14 “Electrode Materials for Printable Solar Cells” in “Printable Solar Cells” ed. By Nurdan Demirci Sankir and Mehmet Sankir, Scrivener Publishing, 2017, pages 457-512.

[2] Jianyong Ouyang, “Emerging Resistive Switching Memories”, Springer Briefs in Materials, Springer, 2016.

[3] Nishanth K. Gopalan, Abhijit Dutta, and Jianyong Ouyang, “Carbon nanomaterials as electrocatalysts for energy conversion” in volume 11 “Hydrogen and Other Technologies” of the Series “Energy science and technology”, Studium Press, to be published

[4] Jianyong Ouyang, “Two-terminal organic memories with metal or semiconductor nanoparticles” in “Charge-trapping nonvolatile memories”, ed. by P. Dimitrakis, Springer, to be published.

[5] Kuan Sun, Yijie Xia and Jianyong Ouyang, “Next-generation transparent electrode materials for organic solar cells” in “Solar cell materials, devices and systems”, Taylor and Francis, to be published.

[6] Jianyong Ouyang, Chapter 14 “Application of graphene and graphene oxide in dye-sensitized solar cells” in “Handbook of graphene science”, CRC press, to be published.

[7] Yijie Xia and Jianyong Ouyang, Chapter 9 “Transparent conducting polymers” in “Organic Optoelectronic Materials” ed. by Yongfang Li, Springer, to be published.

[8] Jianyong Ouyang, Chapter 12 “Organic/Polymeric Films with Resistive-Switching Behavior and Their Application as Nonvolatile Memory Devices” in “Nonvolatile Memories: Materials, Devices and Application”, volume 2, page 1-19, ed. By Tseung-Yuen Tseng and Simon M. Sze, American Scientific Publishers, 2012.

[9] Yang Yang, Jianyong Ouyang, Liping Ma, Chih-Wei Chu and Ricky Tseng, Chapter 15 “Polymer and Organic Thin-Film Memory Devices” in Semiconducting Polymers: Chemistry, Physics and Engineering, Second Edition”, ed. Georges Hadziioannou & George G. Malliaras, Wiley-VCH, 2006.

[10] Jianyong Ouyang, Chih-Wei Chu, Ricky Tseng and Yang Yang, Chapter 8 “Electrical Bistable Polymer Films and Their Applications in Memory Devices” in Handbook of Conducting Polymers, 3rd edition (editors: T. A. Skotheim and J. Reynold), CRC Press, 2006, p311.

[11] Yang Yang, Liping Ma, Jianyong Ouyang, Jun He, Hai Ming Liem, Chih-Wei Chu and Ankita Prakash, “Organic Nonvolatile Memories” in chapter 2 of  book Materials for Information Technology (Editors. E. Zschech, C. Whelan, T. Mikolajick), Springer-Verlag, 2005, p197.


Other Investigators

CHEN Wei
CHEN Wei

Principal Investigator

chmcw@nus.edu.sg
CHEN Jingsheng
CHEN Jingsheng

Principal Investigator

msecj@nus.edu.sg
CHIN Wee Shong
CHIN Wee Shong

Senior Investigator

chmcws@nus.edu.sg
LEE Heow Pueh
LEE Heow Pueh

Senior Investigator

mpeleehp@nus.edu.sg
LIN Man-Hua
LIN Man-Hua

Adjunct Principal Investigator

mandy.lin@nusri.cn
LU Li
LU Li

Principal Investigator

luli@nus.edu.sg
XIE Xianning
XIE Xianning

Senior Investigator

xn.xie@nusri.cn
XU Guoqin
XU Guoqin

Principal Investigator

guoqin.xu@nusri.cn
XU Qinghua
XU Qinghua

Senior Investigator
Centre Director

chmxqh@nus.edu.sg
XU Dong
XU Dong

Investigator
Centre Research Director

erixd@nus.edu.sg
WU Jie
WU Jie

Investigator

chmjie@nus.edu.sg
WANG Qing
WANG Qing

Senior Investigator

qing.wang@nus.edu.sg
NG How Yong
NG How Yong

Principal Investigator

ceenghy@nus.edu.sg
LIU Xiao Gang
LIU Xiao Gang

Principal Investigator

chmlx@nus.edu.sg
LU Yixin
LU Yixin

Principal Investigator

chmlyx@nus.edu.sg