Institute of Chemistry, Academia Sinica

Bottom-up Chemical Synthesis of Nanographenes
Design and Synthesis of Electroactive High-performance Polymers
Functional Materials for optoelectronic and energy applications

• "Outstanding Alumni Award, National Chi Nan University"  (2019-06)
• "Heritage Prize for "Excellence in Creativity""  (2018-09)
• "J. Robert Oppenheimer Fellow, Los Alamos National Laboratory"  (2014)

1. Yen, H. J.; Liou, G.-S. Recent Advances in Triphenylamine-based Electrochromic Derivatives and Polymers. Polymer Chemistry 2018, 9 (22), 3001-3018.
2. Yen, H. J.; Chang, C.-W. ; Wong, H. Q.; Liou, G.-S. Cyanotriphenylamine-based Polyimidothioethers as Multifunctional Materials for Ambipolar Electrochromic and Electrofluorochromic Devices, and Fluorescent Electrospun Fibers. Polymer Chemistry 2018, 9 (13), 1693-1700.
3. Yen, H. J.; Shan, C.; Wang, L.; Xu, P.; Zhou, M.; Wang, H. L. Development of Conjugated Polymers for Memory Device Applications. Polymers 2017, 9(1), 25.
4. Yen, H. J.; Tsai, C. L.; Chen, S. H.; Liou, G. S. Electrochromism and Nonvolatile Memory Device Derived from Triphenylamine-based Polyimides with pendant Viologen units. Macromol. Rapid Commun. 2017, 38 (9), 1600715.
5. Shan, C.;Yen, H. J.; Wu, K.; Lin, Q.; Zhou, M.; Guo, X.; Wu, D.; Zhang, H.; Wu, G.; Wang, H. L. Functionalized Fullerenes for Highly Efficient Lithium Ion Storage: Structure-property-Performance Correlation with Energy Implications. Nano Energy 2017, DOI: 10.1016/j.nanoen.2017.08.033.
6. Yen, H. J.; Tsai, H.; Zhou, M.; Holby, E. F.; Choudhury, S.; Chen, A.; Adamska, L.; Tretiak, S.; Sanchez, T.; Iyer, S.; Zhang, H.; Zhu, L.; Lin, H.; Dai, L.; Wu, G.; Wang, H. L. Structurally Defined 3D Nanographene Assemblies via Bottom-up Chemical Synthesis for Highly Efficient Lithium Storage. Adv. Mater. 2016, 28(46), 10250–10256.
7. Yen, H. J.; Liang, P. W.; Chueh, C. C.; Yang, Z.; Jen, A. K.-Y.; Wang, H. L. Large Grained Perovskite Solar Cells Derived from Single-Crystal Perovskite Powders with Enhanced Ambient Stability. ACS Appl. Mater. Inter. 2016, 8(23), 14513–14520.
8. Yen, H. J.; Lin, J. H.;. Su, Y. O; Liou, G. S. Novel Triarylamine-based Aromatic Polyamides Bearing Secondary Amines: Synthesis and Redox Potential Inversion Characteristics Induced by Pyridines. J. Mater. Chem. C 2016, 4(43), 10381–10385.
9. Park, Y. I.; Postupna, O.; Zhugayevych, A.; Kyu, S. W.; Park, Y. S.; Kim, B.;Yen, H. J.; Cheruku, P.; Martinez, J. S.; Park, J.; Tretiak, S.; Wang, H. L. A New pH Sensitive Fluorescent and White Emissive Material through Controlled Inter-molecular Charge Transfer. Chem. Sci. 2015, 6(1), 789-797.
10. Cheruku, P.; Huang, J. H.;Yen, H. J.; Iyer, R. S.; Rector, K. D.; Martinez, J. S.; Wang, H. L. Tyrosine-Derived Stimuli Responsive, Fluorescent Amino Acids. Chem. Sci. 2015, 6(2), 1150-1158.
11. Yen, H. J.; Chen, C. J.; Liou, G. S. Flexible Multi-Colored Electrochromic and Volatile Polymer Memory Devices derived from Starburst Triarylamine-based Electroactive Polyimide. Adv. Funct. Mater. 2013, 23(42), 5307–5316.

Chapter of Publication：

1. H. J. Yen, J. H. Wu and G. S. Liou*, Chapter 4 High Performance Polyimides for Resistive Switching Memory Devices in Electrical Memory Materials and Devices, The Royal Society of Chemistry, 2015, Series No. 18, 136-166.
2. G. S. Liou* and H. J. Yen, Polyimides. In: Matyjaszewski K and Möller M (eds.) Polymer Science: A Comprehensive Reference, 2012, Vol 5, p. 497-535. Amsterdam: Elsevier BV.

Selected Patents：

1. US Patent, Provisional Application No. 62/288341 “Compounds and Composites and Energy Storage Devices Comprising the same” H. J. Yen, G. Wu, H. L. Wang. (January 28, 2016).
2. US Patent 9,598,538 B2 “Transparent Electrochromic Polymer and Electrochromic Device” G. S. Liou, H. J. Yen, Y. W. Chuang, Y. R. Kung, C. M. Leu, L. T. Huang. (March 21, 2017).
3. US Patent 8,962,769 B2 “Polyimidothioethers-Inorganic Nanoparticle Hybrid Material, Intermediate thereof and Their Preparation” G. S. Liou, C. L. Tsai, H. J. Yen, W. C. Chen, W. Y. Chiu, Y. Y. Yu (February 24, 2015).
4. US Patent 8,088,932 B2 “Pentaaryldiamine-Containing Bismaleimide Compound and Method of Producing the Compound” G. S. Liou, C. W. Chang, H. J. Yen, J. P. Pan, C. R. Yang, T. H. Wang, J. M. Hsu. (January 3, 2012)

Update： 2023-11-08

1. Febri Baskoro, Andre Lammiduk Lubis, Hui Qi Wong, Guey-Sheng Liou*, Hung-Ju Yen* Redox-active Polynaphthalimides as Versatile Electrode Materials for High Voltage, High-Rate and Long Cycle-Life Organic Li-ion Batteries (Back Cover Article). JOURNAL OF MATERIALS CHEMISTRY A 2023-06-07, 21, 11210-11221.
2. Chintam Hanmandlu, Rohan Paste, Hsinhan Tsai, Shyam Narayan Singh Yadav, Kuan-Wen Lai, Yen-Yu Wang, Chandra Shekar Gantepogu, Chen-Hung Hou, Jing-Jong Shyue, Yu-Jung Lu, Tushar Sanjay Jadhav, Jian-Ming Liao, Hsien-Hsin Chou, Hui Qi Wong, Ta-Jen Yen, Chao-Sung Lai, Dibyajyoti Ghosh, Sergei Tretiak, Hung-Ju Yen*, Chih-Wei Chu* 3D Nanographene Precursor Suppress Interfacial Recombination in PEDOT: PSS based Perovskite Solar Cells. NANO ENERGY 2023-03, 107, 108136.
3. Febri Baskoro, Hong-Jhen Lin, Cha-Wen Chang, Ching-Lan Wang, Andre Lammiduk Lubis, Hung-Ju Yen* High-Performance Aramid Electrodes for High-Rate and Long Cycle-Life Organic Li-ion Battery (Back Cover Article). JOURNAL OF MATERIALS CHEMISTRY A 2023-01-14, 11, 569-578.
4. Febri Baskoro, Pin-Chieh Chiang, Yao-Chih Lu, Jonathan N. Patricio, Susan D. Arco, Hsieh-Chih Chen, Wen-Shyong Kuo, Long-Li Lai*, Hung-Ju Yen* Columnar Liquid-crystalline Triazine-based Dendrimer with Carbon Nanotube Filler for Efficient Organic Lithium-ion Batteries. ELECTROCHIMICA ACTA 2022-12-01, 434, 141306.
5. Atanu Roy, Theresa Schoetz, Leo W. Gordon, Hung-Ju Yen, Qingli Hao, Daniel Mandler* Formation of a CoMn-Layered Double Hydroxide/Graphite Supercapacitor by a Single Electrochemical Step. CHEMSUSCHEM 2022-11-08, 15(21), e202201418.
6. Yichen Cai, Jie Shen, Jui-Han Fu, Nadeem Qaiser, Cailing Chen, Chien-Chih Tseng, Mariam Hakami, Zheng Yang, Hung-Ju Yen, Xiaochen Dong, Lain-Jong Li*, Yu Han*, Vincent Tung* Graphdiyne-Based Nanofilms for Compliant On-Skin Sensing. ACS NANO 2022-10-25, 16, 16677-16689.
7. Chin May Ngue, Febri Baskoro, Hui Qi Wong, Hung-Ju Yen*, Man-Kit Leung* Co- and Ni-Based Electroactive Metal–Organic Frameworks for Stable Lithium Storage: Electrochemical and Charge-Storage Behavior in Response to Different Metal Centers (Supplementary Cover image). CRYSTAL GROWTH & DESIGN 2022-10-05, 22, 5872-5882.
8. Febri Baskoro, Chin-May Ngue, Kristin B Labasan, Hui Qi Wong, Man-Kit Leung, Hung-Ju Yen* Dual‐Ligand Zn‐Based Metal–Organic Framework as Reversible and Stable Anode Material for Next Generation Lithium‐Ion Batteries (Front Cover Article). ENERGY TECHNOLOGY 2021-09-21, 9 (11), 2100212.
9. Febri Baskoro, Hui Qi Wong, Kristin B. Labasan, Chen-Wei Cho, Chun-Wei Pao, Po-Yu Yang, Chien-Cheng Chang, Chih-I Chen, Chu-Chen Chueh, Wanyi Nie*, Hsinhan Tsai*, Hung-Ju Yen* Lead-based Metal-Organic Framework as Anode Materials for Efficient and Reversible Lithium Storage (Supplementary Cover image). ENERGY & FUELS 2021-06-03, 35, 9669-9682.
10. Kristin B. Labasan, Hong-Jhen Lin, Febri Baskoro, Jazer Jose H. Togonon, Hui Qi Wong, Cha-Wen Chang, Susan D. Arco, Hung-Ju Yen* Dicyanotriphenylamine-Based Polyimides as High-Performance Electrodes for Next Generation Organic Lithium-Ion Batteries. ACS APPLIED MATERIALS & INTERFACES 2021-04-21, 13, 17467-17477.
11. Jazer Jose H.Togonon, Pin-Chieh Chiang, Hong-Jhen Lin, Wei-CheTsai, Hung-Ju Yen* Pure carbon-based electrodes for metal-ion batteries. CARBON TRENDS 2021-04-07, 3, 100035.
12. Febri Baskoro, Hui Qi Wong, Hung-Ju Yen* Strategic Structural Design of a Gel Polymer Electrolyte toward a High Efficiency Lithium-Ion Battery. ACS APPLIED ENERGY MATERIALS 2019-06-24, 2(6), 3937-3971.
13. Hung-Ju Yen*, Guey-Sheng Liou* Design and Preparation of Triphenylamine-based Polymeric Materials Towards Emergent Optoelectronic Applications. PROGRESS IN POLYMER SCIENCE 2019-02, 89, 250-287.
14. Antonietta Maria Lillo, Ciana Lopez, Trideep Rajale, Hung-Ju Yen, Harsha Magurudeniya, M Lisa Phipps, Eva Rose Murdock Balog, Timothy C Sanchez, Srinivas Iyer, Hsing-Lin Wang, Ryszard Michalczyk, Reginaldo C Rocha, Jennifer S Martinez* Conjugation of Amphiphilic Proteins to Hydrophobic Ligands in Organic Solvent. BIOCONJUGATE CHEMISTRY 2018-08-15, 29(8), 2654-2664.
15. Hung-Ju Yen*, Guey-Sheng Liou* Recent Advances in Triphenylamine-based Electrochromic Derivatives and Polymers (Front Cover Article; Invited Review Article​). POLYMER CHEMISTRY 2018-06-14, 9(22), 3001-3018.
16. Changsheng Shan*, Kaifeng Wu, Hung-Ju Yen, Claudia Narvaez Villarrubia, Tom Nakotte, Xiangjie Bo, Ming Zhou, Gang Wu, and Hsing-Lin Wang* Graphene Oxides used as a New “Dual Role” Binder for Stabilizing Silicon Nanoparticles in Lithium Ion Battery. ACS APPLIED MATERIALS & INTERFACES 2018-05-09, 10(18), 15665-15672.
17. Hung-Ju Yen*, Cha-Wen Chang, Hui Qi Wong, Guey-Sheng Liou* Cyanotriphenylamine-based Polyimidothioethers as Multifunctional Materials for Ambipolar Electrochromic and Electrofluorochromic Devices, and Fluorescent Electrospun Fibers (Themed Issue: Emerging Investigators, 2018). POLYMER CHEMISTRY 2018-04-07, 9(13), 1693-1700.
18. Hung-Ju Yen, Jhe-Huang Lin, Yuhlong Oliver Su, Guey-Sheng Liou* Observation of Ionic Hydrogen Bonding between Anions and Triarylamine-based Aromatic Polyimides with Secondary Amine. ELECTROCHIMICA ACTA 2018-01-20, 261, 307-313.
19. Changsheng Shan, Hung-Ju Yen, Kaifeng Wu, Qianglu Lin, Ming Zhou, Xiaofeng Guo, Di Wu, Hanguang Zhang, Gang Wu*, Hsing-Lin Wang* Functionalized Fullerenes for Highly Efficient Lithium Ion Storage: Structure-Property-Performance Correlation with Energy Implications. NANO ENERGY 2017-10-01, 40, 327-335.
20. Hung-Ju Yen*, Changsheng Shan, Leeyih Wang, Ping Xu, Ming Zhou, Hsing-Lin Wang* Development of Conjugated Polymers for Memory Device Applications. POLYMERS 2017-01-12, 9(12), 25.
21. Cheng-Yu Kuo, Yinghao Liu, Dmitry Yarotski, Hao Li, Ping Xu, Hung-Ju Yen, Sergei Tretiak*, Hsing-Lin Wang* Synthesis, Electrochemistry, STM Investigation of Oligothiophene Self-Assemblies with Superior Structural Order and Electronic Properties. CHEMICAL PHYSICS 2016-12-20, 481, 191-197.
22. Hung-Ju Yen, Hsinhan Tsai, Ming Zhou, Edward F. Holby, Samrat Choudhury, Aiping Chen, Lyudmyla Adamska, Sergei Tretiak, Timothy Sanchez, Srinivas Iyer, Hanguang Zhang, Lingxiang Zhu, Haiqing Lin, Liming Dai, Gang Wu*, Hsing-Lin Wang* Structurally Defined 3D Nanographene Assemblies via Bottom-Up Chemical Synthesis for Highly Efficient Lithium Storage. ADVANCED MATERIALS 2016-12-01, 28(46), 10250-10256.
23. Chia-Liang Tsai, Hung-Ju Yen, Guey-Sheng Liou* Highly Transparent Polyimide Hybrids for Optoelectronic Applications. REACTIVE & FUNCTIONAL POLYMERS 2016-11-01, 108, 2-30.
24. Hung-Ju Yen, Jhe-Huang Lin, Yuhlong Oliver Su*, Guey-Sheng Liou* Novel Triarylamine-based Aromatic Polyamides Bearing Secondary Amines: Synthesis and Redox Potential Inversion Characteristics Induced by Pyridines. JOURNAL OF MATERIALS CHEMISTRY C 2016-10-17, 4(43), 10381-10385.
25. Chia-Liang Tsai, K Reddy Kamani Sudhir, Chen-Yu Yeh*, Chin-Li Wang, Ching-Yao Lin*, Hung-Ju Yen, Ming-Chi Tsai, Guey-Sheng Liou* Zinc and Linkage Effects of Novel Porphyrin-containing Polyimides on Resistor Memory Behaviors. RSC ADVANCES 2016-08-31, 6(91), 88531-88537.
26. Hung-Ju Yen, Po-Wei Liang, Chu-Chen Chueh, Zhibin Yang, Alex K.-Y. Jen*, Hsing-Lin Wang* Large Grained Perovskite Solar Cells Derived from Single-Crystal Perovskite Powders with Enhanced Ambient Stability. ACS APPLIED MATERIALS & INTERFACES 2016-05-25, 8(23), 14513-14520.
27. Ming-Chi Tsai, Chin-Li Wang, Ching-Yao Lin*, Chia-Liang Tsai, Hung-Ju Yen, Huei-Chi You, Guey-Sheng Liou* A Novel Porphyrin-containing Polyimide for Memory Devices. POLYMER CHEMISTRY 2016-03-31, 7(16), 2780-2784.
28. Hung-Ju Yen, Guey-Sheng Liou* Solution-processable Triarylamine-based High-performance Polymers for Resistive Switching Memory Devices. POLYMER JOURNAL 2016, 48(2), 117-138.

1. Hung-Ju Yen, Yu-Ruei Kung, Sheng-Huei Hsiao,* Guey-Sheng Liou*, 2019, “Arylamine-based High Performance Polymers for Electrochromic Applications”, editor(s): Jian Wei Xu, Ming Hui Chua, Kwok Wei Shah, Electrochromic Smart Materials: Fabrication and Applications, pp. 323-371, United Kingdom: The Royal Society of Chemistry.
2. Hung-Ju Yen, Jia-Hao Wu, Guey-Sheng Liou*, 2015, “High Performance Polyimides for Resistive Switching Memory Devices”, editor(s): Wen-Chang Chen, Electrical Memory Materials and Devices, pp. 136-166, United Kingdom: The Royal Society of Chemistry.
3. Guey-Sheng Liou*, Hung-Ju Yen, 2012, “Polyimides”, editor(s): Matyjaszewski K and Möller M, Polymer Science: A Comprehensive Reference, pp. 497-535, Amsterdam: Elsevier BV.