Recent and Upcoming Presentations (2019-)​

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• Invited talk, Chunyan Chi, Symposium on “Designed Pi Systems-Synthesis, Properties, Theory, and Function”, The International Chemical Congress of Pacific Basin Societies 2025 (Pacifichem 2025), Dec 15-20, 2025, Honolulu, Hawaii

• Invited talk, Chunyan Chi, Symposium on Diradical Chemistry, 53rd IUPAC General Assembly (53GA) & 50th World Chemistry Congress (50WCC), Jul 12-19, 2025, Kuala Lumpur, Malaysia

• Plenary talk, Chunyan Chi, 23rd European Symposium on Organic Chemistry (ESOC 2025), Jun 29-Jul 3 2025, Copenhagen, Denmark

• Plenary talk, Chunyan Chi, 16th International Symposium on Functional pi-Electron System (Fpi16), Jun 30-Jul 3, 2025, Jeju, Korea

• Invited talk, Chunyan Chi, CEMSupra Workshop 2024, Dec 15-16, 2024, Manza, Japan

• Invited talk, Chunyan Chi, The 12th Singapore International Chemistry Conference (SICC-12), Dec 9-13, 2024, Singapore

• Keynote lecture, Chunyan Chi, The Royal Australian Chemical Institute (RACI) Organic24 conference, Nov 18-20, 2024, Adelaide, Australia

• Invited lecture, Chunyan Chi, The 2nd International Symposium on Molecular Recognition and Synthesis, Oct 17-20, 2024, Shanghai

• Invited lecture, Thieme Cheminar titled "Soluble Graphene Nanoarchitectures”, Sep 3, 2024, Thieme Chemistry, Georg Thieme Verlag KG

• Invited talk, Chunyan Chi, The 10th International Conference on Technological Advances of Thin Films & Surface Coatings (ThinFilms2024), 15-19 July, 2024, Singapore

• Invited talk, Chunyan Chi, The 3rd International Conference on Excited State Aromaticity and Antiaromaticity (ICESAA 3), July 7-10, 2024, Dubrovnik, Croatia

• Plenary talk, Chunyan Chi, International Conference on Science and Technology of Synthetic Electronics Materials 2024 (ICSM 2024), Jun 23-28, 2024, Dresden, Germany

• Invited talk, Chunyan Chi, The 34th CCS Congress, Jun 15-18, 2024, Guangzhou, China

• Keynote lecture, Chunyan Chi, POLYMAT Spotlight 2024, Jun 11-14, 2024, San Sebastian, Spain

• Invited talk, Chunyan Chi, International Union of Materials Research Societies-18th International Conference on Electronic Materials 2024” (IUMRS – ICEM 2024), May 17-20, 2024, Hong Kong

• Invited talk, Chunyan Chi, Mini Symposium on π-Conjugated Materials, May 16, 2024, the Chinese University of Hong Kong (CUHK), Hong Kong

• Invited talk, Chunyan Chi, The Second China-Singapore Collaborative Synthetic Chemistry Symposium, May 10-12, 2024, Hangzhou, China

• Invited talk, Chunyan Chi, research talk to secondary school students from School of Science and Technology (SST), Jan 12, 2024, Department of chemistry, NUS, Singapore

• Invited talk, Chunyan Chi, “Molecular Carbons with Different Topologies and Size”, International Collaborative Seminar on Future Materials and Forming Technologies Development, Dec 3-4, 2023, Wuhan, China

• Invited talk, Chunyan Chi, “Molecular Carbons with Different Topologies and Size”, The 16th International Conference on Cutting-Edge Organic Chemistry in Asia (ICCEOCA-16), Dec 1-4, 2023, Singapore

• Keynote lecture, Chunyan Chi, “Molecular Carbons with Different Topologies and Size”, the 1st Australian Materials Chemistry Conference (AMCC23), 30 Nov-2 Dec 2023 Fremantle, Australia

• Invited talk, Chunyan Chi, “Molecular Carbons with Different Topologies and Size”, Heidelberg University, 10 Nov 2023, Heidelberg, Germany

• Invited talk, Chunyan Chi, “Molecular Carbons with Different Topologies and Size”, Beilstein Organic Chemistry Symposium - pi-Conjugated Molecules and Materials, 7-9 Nov 2023, Limburg, Germany

• Invited talk, Chunyan Chi, “Molecular Carbons with Different Topologies and Size”, Nagoya University, June 7, 2023, Nagoya, Japan

• Invited talk, Chunyan Chi, “Novel Pi-Structures with Open-Shell Singlet Diradical Character” 10th Pacific Symposium on Radical Chemistry (PSRC10), June 4-9, 2023, Kyoto, Japan

• Plenary lecture, Chunyan Chi, “π-Structures with Different Topologies: Synthesis, Aromaticity and Electronic Properties” International Symposium on Emerging Trends in Chemical Sciences (ETCS-2023) 2-4 March 2023, Shillong, India

• Keynote speaker, Chunyan Chi, “π-Structures with Different Topologies: Synthesis, Aromaticity and Electronic Properties”, 11th Singapore International Chemistry Conference (SICC-11), 11-14 December 2022, Singapore

• Invited talk, Chunyan Chi, “Heterocyclic Polyacenes and Quinodimethanes” International Conference on Polymer Science and Engineering, 17-19 October 2022, Los Angeles, USA

• Invited talk, Chunyan Chi, “π-Structures with Different Topologies: Synthesis, Aromaticity and Electronic Properties”, 2nd International Conference on Carbon Chemistry and Materials, 10-14 October, 2022, Roma, Italy | Hybrid

• Invited talk, Chunyan Chi, “π-Structures with Different Topologies: Synthesis, Aromaticity and Electronic Properties”, International Conference on Chemistry and Allied Sciences-2022 (ICCAS-2022), 25th-27th, August, 2022, Waranagal, India, to mark the year 2022 as the Birth Centenary of Dr. Har Gobind Khorana. Dr. Khorana, an Indo-American Biochemist who won the Nobel prize in Medicine for his phenomenal work in Genetics.

• Invited talk, Chunyan Chi, “Pi-Conjugated Molecules and Materials” The Chemistry Department at NUS High School of Math and Science, 4 Aug, 2022, Singapore

• Invited poster presentation, Chunyan Chi, “Synthesis of a Fully Conjugated Zigzag Carbon Nanobelt”, the 15th International Conference on Cutting-Edge Organic Chemistry in Asia (ICCEOCA-15), 25-26 July 2022, Hong Kong

• Invited talk, Chunyan Chi, “Acenes and Extended Heterocyclic Quinodimethanes with a Singlet Biradical Ground State”, International Conference on the Science and Technology of Synthetic Metals, 17-22 July, 2022, Glasgow, UK

• Invited talk, Chunyan Chi, “π-Structures with Different Topologies: Synthesis, Aromaticity and Electronic Properties”, The 19th International Symposium on Novel Aromatic Compounds, 3-8 July, 2022, Warsaw, Poland 

• Invited talk (online), Chunyan Chi, “Pi-Structures with Different Topologies: Synthesis, Aromaticity and Electronic Properties”, Huazhong University of Science and Technology, 28 April, 2022, China

• Invited talk (online), Chunyan Chi, “π-structures with different topologies: Synthesis, aromaticity and electronic properties” at Symposium #359 “Designed pi-Electronic Systems: Synthesis, Properties, Theory and Function”, The International Chemical Congress of Pacific Basin Societies 2021 (Pacifichem 2021, hybrid conference), 16-21 December 2021, Honolulu, Hawaii, USA

• Invited talk, Chunyan Chi, “Heterocyclic Acenes and Quinodimethanes” at Symposium #229 “New Horizon of Main Group and Transition-metal Aromatics”, The International Chemical Congress of Pacific Basin Societies 2021 (Pacifichem 2021, hybrid conference), 16-21 December 2021, Honolulu, Hawaii, USA

• Invited talk (online), Chunyan Chi, “Conjugated pi-Structures with Different Topologies”, American Association for Advances in Functional Materials (AAAFMUCLA) Conference, 18-20 Aug 2021, USA

• Invited talk (online), Chunyan Chi, “Pi-Structures with Different Topologies: Synthesis, Aromaticity and Electronic Properties”, Department of chemistry, The Chinese University of Hong Kong, 6 Aug, 2021, Hong Kong

• Invited talk (online), Chunyan Chi, “Pi-Structures with Different Topologies: Synthesis, Aromaticity and Electronic Properties”, Department of Chemistry, University of Wrocław, 29 June 2021, Poland

• Invited talk (online), Chunyan Chi, “Pi-Structures with Different Topologies: Synthesis, Aromaticity and Electronic Properties”, Nagoya University, 21 April 2021, Japan

• Invited talk (online), Chunyan Chi, “Novel Pi-Structures with Different Topologies”, VSET Scientist Award Lecture in the "Webinar on Nanomedicine, Nanomaterials and Nanotechnology”, Vebleo, 10 December 2020

• Invited talk (online), Chunyan Chi, “Novel Pi-Structures with Different Topologies”, Institute of Molecular Aggregation Science, Tianjin University, 30 Nov, 2020, China

• Invited talk, Chunyan Chi, “Acenes and Extended Heterocyclic Quinodimethanes”, Beijing University of Chemical Technology, 7 Jan 2020, China

• Invited talk, Chunyan Chi, “Acenes and Extended Heterocyclic Quinodimethanes”, Department of Chemistry, Tianjin University, 6 Jan 2020, China

• Invited talk, Chunyan Chi, “Acenes and Extended Heterocyclic Quinodimethanes”, College of Chemistry, Nankai University , 6 Jan 2020, China

• Invited talk, Chunyan Chi, “Acenes and Extended Heterocyclic Quinodimethanes”, the 16th Pacific Polymer Conference, 8-12 Dec 2019, Singapore

• Invited poster presentation, Chunyan Chi, the 14th International Conference on Cutting-Edge Organic Chemistry in Asia (ICCEOCA-14), 26-29 Sep, 2019, Niseko, Hokkaido, Japan

• Invited talk, Chunyan Chi, “Acenes and Extended Heterocyclic Quinodimethanes”, Osaka Prefecture University, Graduate School of Engineering, Department of Applied Chemistry, 5 September 2019, Osaka, Japan

• Invited talk, Chunyan Chi, “Heterocyclic Acenes and Quinodimethanes”, the 27th International Society of Heterocyclic Chemistry Congress (27 ISHC),1-6 September 2019, Kyoto, Japan

• Invited talk, Chunyan Chi, "Acenes and Extended Heterocyclic Quinodimethanes", at 14th International Symposium on Functional π-Electron Systems (Fpi14), 2-7 June 2019, Berlin, Germany

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Presentations (Students & Research fellows)

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• Poster Presentation (in Physical Science) (Open Category), Yi Han, Chunyan Chi "Fully Conjugated Carbon Nanobelts", Faculty of Science Symposium 2024, 28 Sep, 2024, NUS. (Best Poster Award) 

• Poster Presentation, Yi Han, Chunyan Chi "Fully Conjugated Carbon Nanobelts", The 20th International Symposium on Novel Aromatic Compounds (ISNA-20), 11-16 Aug, 2024, Toronto. (Best Poster Award)

• Poster Presentation, Yi Han, Chunyan Chi, “Atomically Precise Synthesis of Single-Wall Carbon Nanotube Fragments”, The 5th Chemistry National Meeting Singapore (ChnmSG-5), 28 July, 2023, Singapore

• Poster Presentation, Jiawei Shao, Chunyan Chi, “Formation of a Tetraazulene Fused [10]annulene Dication Through Oxidation-controlled C-C Single Bond Dissociation”, The 5th Chemistry National Meeting Singapore (ChnmSG-5), 28 July, 2023, Singapore

• Poster presentation, Qing Jiang, Chunyan Chi, "Circumpentacene and its Charged Species: From Open Shell Neutral Diradicaloid to Closed-shell Charged Dication/dianion with Strong Absorption in the Second Near-infrared Window" The 5th Chemistry National Meeting Singapore (ChnmSG-5), 28 July, 2023, Singapore

• Poster Presentation, Tingting Xu, Chunyan Chi, “Antiaromatic Dicyclopenta[b,g]/[a,f]naphthalene Isomers Showing Open-shell Singlet Ground State with Tunable Diradical Character”, the 5th Chemistry National Meeting Singapore (ChnmSG-5), 28 July 2023, Singapore.

• Poster presentation, Pei Wen Ng, Chunyan Chi, “Effect of Structural Modifications on Properties of Fully Fused Sulfur-doped Macrocycles”, Chemistry National Meeting Singapore 2023 (ChnmSG5), 28 July, 2023, Singapore.

• Poster presentation, Qing Jiang, Chunyan Chi, "Circumpentacene and its Charged Species: From Open Shell Neutral Diradicaloid to Closed-shell Charged Dication/dianion with Strong Absorption in the Second Near-infrared Window" the 11th International Conference on Materials for Advanced Technologies (ICMAT-2023), 26-30 June, 2023, Singapore.(Best Poster Award)

• Poster presentation, Qing Jiang, Chunyan Chi, "A Stable Dicyclopenta[4,3,2,1-klm:4',3',2',1'-xyz]-peri-tetracene Diradicaloid and its Charged Species with Global Aromatici-ty/antiaromaticity" the 11th International Conference on Materials for Advanced Technologies (ICMAT-2023), 26-30 June, 2023, Singapore.

• Poster presentation, Pei Wen Ng, Chunyan Chi, “Effect of Structural Modifications on Properties of Fully Fused Sulfur-doped Macrocycles”, the 11th International Conference on Materials for Advanced Technologies (ICMAT-2023), 26-30 June, 2023, Singapore.

• Oral Presentation, Chuanbin An, Yang Han, Chunyan Chi, Yanhou Geng, “Elastic Semiconductor Blends with High Strain Cycling Durability Using an Oligothiophene-based Multiblock Polyurethane Matrix”, the 11th International Conference on Materials for Advanced Technologies (ICMAT-2023), 26-30 June 2023, Singapore.

• Oral Presentation, Tingting Xu, Chunyan Chi, “Indacene Based Polycyclic Hydrocarbons”, the 11th International Conference on Materials for Advanced Technologies (ICMAT-2023), 26-30 June 2023, Singapore.

• Oral Presentation, Yi Han, Chunyan Chi, “Atomically Precise Synthesis of Single-Wall Carbon Nanotube Fragments”, the 11th International Conference on Materials for Advanced Technologies (ICMAT-2023), 26-30 June, 2023, Singapore

• Poster Presentation, Tingting Xu, Chunyan Chi, “Antiaromatic Dicyclopenta[b,g]/[a,f]naphthalene Isomers Showing Open-shell Singlet Ground State with Tunable Diradical Character”, the 11th International Conference on Materials for Advanced Technologies (ICMAT-2023), 26-30 June 2023, Singapore.

• Poster Presentation, Chuanbin An, Yang Han, Chunyan Chi, Yanhou Geng, “A Strategy for Improving N-type Transistor Performance or Possessing Synaptic Behavior on the Basis of Imparting Stretchability”, the 11th International Conference on Materials for Advanced Technologies (ICMAT-2023), 26-30 June 2023, Singapore.

• Poster Presentation, Jiawei Shao, Chunyan Chi, “Formation of a Tetraazulene Fused [10]annulene Dication Through Oxidation-controlled C-C Single Bond Dissociation”, the 11th International Conference on Materials for Advanced Technologies (ICMAT-2023), 26-30 June 2023, Singapore.

• Poster Presentation, Yi Han, Chunyan Chi, “Atomically Precise Synthesis of Single-Wall Carbon Nanotube Fragments”, the 11th International Conference on Materials for Advanced Technologies (ICMAT-2023), 26-30 June, 2023, Singapore

• Poster Presentation, Tingting Xu, Chunyan Chi, “Antiaromatic Dicyclopenta[b,g]/[a,f]naphthalene Isomers Showing Open-shell Singlet Ground State with Tunable Diradical Character”, the 11th Singapore International Chemistry Conference (SICC-11), 11-14 December 2022, Singapore. (Best Poster Award)

• Poster Presentation, Jiawei Shao, Chunyan Chi, “Formation of a Tetraazulene Fused [10]annulene Dication Through Oxidation-controlled C-C Single Bond Dissociation”, the 11th Singapore International Chemistry Conference (SICC-11), 11-14 December 2022, Singapore.

• Poster presentation, Qing Jiang, Chunyan Chi, "Circumpentacene and its Charged Species: From Open Shell Neutral Diradicaloid to Closed-shell Charged Dication/dianion with Strong Absorption in the Second Near-infrared Window" the 11th Singapore International Chemistry Conference (SICC-11), 11-14 December 2022, Singapore" 

• Poster Presentation, Yi Han, Chunyan Chi, “Atomically Precise Synthesis of Single-Wall Carbon Nanotube Fragments”, The 11st Singapore International Chemistry Conference (SICC-11),  11-14 December, 2022, Singapore

• Poster & Oral Presentation, Yi Han, Chunyan Chi, “Atomically Precise Synthesis of Single-Wall Carbon Nanotube Fragments”, The International Symposium on the Synthesis and Application of Curved Organic pi-Molecules and Materials (CURO-pi4),  27-29 September, 2022, Beijing, China

• Oral Presentation, Yi Han, Chunyan Chi, “Atomically Precise Synthesis of Single-Wall Carbon Nanotube Fragments”, The 71st Lindau Nobel Laureate Meeting, Lindau, 26 June- 1 July, 2022, Germany

• Poster Presentation, Yi Han, Chunyan Chi, “Precise Synthesis of Sidewall Fragments of Carbon Nanotubes”, The 9th MRS-S Conference on Advanced Materials, 25-27 November, 2020, Singapore

• Oral Presentation, Yi Han, Chunyan Chi, “Formation of Azulene-embedded Nanographene via Unusual Naphthalene to Azulene Rearrangement During Scholl Reaction”, the 3rd Chemistry National Meeting Singapore (ChnmSG-3), 9-10 September, 2020, Singapore (NTU (chemistry)-SNIC Award for Oral Presentation)

• Poster & Oral Presentation, Yi Han, Chunyan Chi, “Formation of Azulene-embedded Nanographene via Unusual Naphthalene to Azulene Rearrangement During Scholl Reaction”, The 16th Conference of the Asian Crystallographic Association (AsCA-16), , 17-20 December, 2019, Singapore   (Flash Presentation Award)

• Poster Presentation, Qing Wang and Yi Han,  Chunyan Chi, “Cyclopenta Ring Fused Bisanthene and Its Charged Species with Open-shell Singlet Diradical Character and Global Aromaticity/Anti-Aromaticity”, The 10th Singapore International Chemistry Conference (SICC10), 16-19 December, 2018, Singapore (Best Poster Award)

• Poster Presentation, Qing Jiang, Chunyan Chi, “Bis(azuleno)indacenes and Their Dications: The Shift of the Local Aromaticity and Antiaromaticity”, The 10th Singapore International Chemistry Conference (SICC10), 16-19 December, 2018, Singapore

• Poster Presentation, Gang Liu, Junjian Shen, Chunyan Chi, “N-containing Cationic Heteroacenes with Isoelectronic Structures”, The 10th Singapore International Chemistry Conference (SICC10), 16-19 December, 2018, Singapore

• Poster Presentation, Liu Yuan, Chunyan Chi,  “Formation of a Macrocycles-in-a-Macrocycle Superstructure with All-gauche Conformation by Reversible Radical Association”, The 10th Singapore International Chemistry Conference (SICC10), 16-19 December, 2018, Singapore

• Poster Presentation, Weixiang Kueh, Chunyan Chi, “π-Extended S-Heterocyclic Naphthoquinodimethane with Diradical and Dipolar Character”, The 10th Singapore International Chemistry Conference (SICC10), 16-19 December, 2018, Singapore

• Poster Presentation, Hao Ting Teo, Jun Oh Kim, Dongho Kim, Chunyan Chi, “Synthesis and Photophysical Studies of Tetracene and Pentacene Dimers in Singlet Fission Process”, The 10th Singapore International Chemistry Conference (SICC10), 16-19 December, 2018, Singapore

• Poster Presentation, Yang Chen, Zhongjin Shen and Chunyan Chi, “Extended Quinoidal Acene and Phene Analogues: Toward Isoelectronic Structures of Nonacene and Nonaphene”, The 10th Singapore International Chemistry Conference (SICC10), 16-19 December, 2018, Singapore

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