SUM Tze Chien

Appointment: Professor

Research topics:

Ultrafast optical spectroscopy and time-integrated optical spectroscopy of emergent nanoscale and light harvesting material systems:

• Investigating light matter interactions
• Energy and charge transfer mechanisms
• Probing carrier and quasi-particle dynamics

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1 to 10 of 57 Results

Replication Data for: Selective Templating Growth of Chemically Inert Low-Dimensional Interfaces for Perovskite Solar Cells Aug 1, 2025 - YE Senyun Rao, Haixia; Ye, Senyun; Salim, Teddy; Mayengbam, Rishikanta; Guo, Yuanyuan; Feng, Minjun; Xi, Lifei; Yen, Zhihao; Salim, Rajendra; Wang, Yue; Cai, Rui; Xiao, Xingchi; Wang, Bo; He, Huajun; Sum, Tze Chien; Lam, Yeng Ming, 2025, "Replication Data for: Selective Templating Growth of Chemically Inert Low-Dimensional Interfaces for Perovskite Solar Cells", https://doi.org/10.21979/N9/NX6QUX, DR-NTU (Data), V1 All Source Data files generated or analysed in the related article can be found in this Dataset.
Replication Data for: Direct determination of multiphoton absorption cross-sections by transient absorption spectroscopy Jul 25, 2025 - HE Huajun He, Huajun; Lim, Jia Wei Melvin; Feng, Minjun; Xing, Zengshan; Sum, Tze Chien, 2025, "Replication Data for: Direct determination of multiphoton absorption cross-sections by transient absorption spectroscopy", https://doi.org/10.21979/N9/DZRHSQ, DR-NTU (Data), V1 Single- and multi-photon absorption cross-sections quantify the likelihood that a material will absorb one or more photons at a given wavelength. This crtical parameter is fundamental to understanding light-matter interactions that underpin key applications in spectroscopy, photo...
Replication Data for: Organic and inorganic sublattice coupling in two-dimensional lead halide perovskites May 29, 2024 - FU Jianhui Fu, Jianhui; Bian, Tieyuan; Yin, Jun; Feng, Minjun; Xu, Qiang; Wang, Yue; Sum, Tze Chien, 2024, "Replication Data for: Organic and inorganic sublattice coupling in two-dimensional lead halide perovskites", https://doi.org/10.21979/N9/CBJGV2, DR-NTU (Data), V1 Replication Data for paper entitled "Organic and inorganic sublattice coupling in two-dimensional lead halide perovskites" that will be published in Nature Communications
Replication Data for: Floquet Engineering of Excitons in Two-Dimensional Halide Perovskites via Biexciton States Mar 11, 2024 - CAI Rui Cai, Rui; Feng, Minjun; Kanwat, Anil; Furuhashi, Tomoki; Wang, Bo; Sum, Tze Chien, 2024, "Replication Data for: Floquet Engineering of Excitons in Two-Dimensional Halide Perovskites via Biexciton States", https://doi.org/10.21979/N9/BK6H7S, DR-NTU (Data), V1 This dataset contains raw data for the journal article ''Floquet Engineering of Excitons in Two-Dimensional Halide Perovskites via Biexciton States''.
Replication Data for: Making and Breaking of Exciton Cooling Bottlenecks in Halide Perovskite Nanocrystals Dec 30, 2023 - LIM Jia Wei Melvin Lim, Jia Wei Melvin; Guo, Yuanyuan; Feng, Minjun; Cai, Rui; Sum, Tze Chien, 2023, "Replication Data for: Making and Breaking of Exciton Cooling Bottlenecks in Halide Perovskite Nanocrystals", https://doi.org/10.21979/N9/IHVBEF, DR-NTU (Data), V1 Harnessing quantum confinement (QC) effects in semiconductors to retard hot carrier cooling (HCC) is an attractive approach for enabling efficient hot carrier extraction to overcome the Shockley−Queisser limit. However, there is a debate about whether halide perovskite nanocrysta...
Replication Data for: Enhancing Two-Dimensional Electronic Spectroscopy for Layered Halide Perovskites Dec 12, 2023 - RAMESH Sankaran Ramesh, Sankaran; Feng, Minjun; Furuhashi, Tomoki; Sum, Tze Chien, 2023, "Replication Data for: Enhancing Two-Dimensional Electronic Spectroscopy for Layered Halide Perovskites", https://doi.org/10.21979/N9/41FE8K, DR-NTU (Data), V1 The photophysics of layered halide perovskites reveals a rich disposition of exciton behaviour. Two-dimensional electronic spectroscopy (2DES) is a powerful technique for investigating such excitonic interactions and dynamics. However, the wide spectral range of layered perovskit...
Replication Data for: Exploring Intermolecular Singlet Fission in Pyrene-fused Azaacenes Film Nov 21, 2023 - Guo Yuanyuan Guo, Yuanyuan, 2023, "Replication Data for: Exploring Intermolecular Singlet Fission in Pyrene-fused Azaacenes Film", https://doi.org/10.21979/N9/SYCX3M, DR-NTU (Data), V1 Yuanyuan Guo,# Minjun Feng,# Zhongbo Zhang,# Senyun Ye, Yue Wang, Qiannan Zhang, Tomoki Furuhashi, Dongming Jia,* Qichun Zhang,* and Tze Chien Sum*. Exploring Intermolecular Singlet Fission in Pyrene-fused Azaacenes Film. Chem. Mater. 2023, 35, 9040−9049.
Replication Data for: Carrier Multiplication in Perovskite Solar Cells with Internal Quantum Efficiency exceeding 100% Oct 10, 2023 - WANG Yue Wang, Yue; Ye, Senyun; Lim, Jia Wei Melvin; Giovanni, David; Feng, Minjun; Fu, Jianhui; Krishnamoorthy, Harish Natarajan Swaha; Zhang, Qiannan; Xu, Qiang; Cai, Rui; Sum, Tze Chien, 2023, "Replication Data for: Carrier Multiplication in Perovskite Solar Cells with Internal Quantum Efficiency exceeding 100%", https://doi.org/10.21979/N9/ZEZWAM, DR-NTU (Data), V1 This dataset contains raw data for the journal article ''Carrier Multiplication in Perovskite Solar Cells with Internal Quantum Efficiency exceeding 100%".
Replication Data for: Insights to Carrier-Phonon Interactions in Lead Halide Perovskites via Multi-pulse Manipulation Jun 8, 2023 - FENG Minjun Feng, Minjun; Ye, Senyun; Lim, Jia Wei Melvin; Guo, Yuanyuan; Cai, Rui; Zhang, Qiannan; He, Huajun; Sum, Tze Chien, 2023, "Replication Data for: Insights to Carrier-Phonon Interactions in Lead Halide Perovskites via Multi-pulse Manipulation", https://doi.org/10.21979/N9/POXXQE, DR-NTU (Data), V1 Replication Data for: Insights to Carrier-Phonon Interactions in Lead Halide Perovskites via Multi-pulse Manipulation
Replication Data for: Zero-Field Quantum Beats and Spin Decoherence Mechanisms in CsPbBr3 Perovskite Nanocrystals Apr 29, 2023 - CAI Rui Cai, Rui; Wadgaonkar, Indrajit; Lim, Jia Wei Melvin; Dal Forno, Stefano; Giovanni, David; Feng, Minjun; Ye, Senyun; Battiato, Marco; Sum, Tze Chien, 2023, "Replication Data for: Zero-Field Quantum Beats and Spin Decoherence Mechanisms in CsPbBr3 Perovskite Nanocrystals", https://doi.org/10.21979/N9/GEBAP3, DR-NTU (Data), V1 This dataset contains raw data for the journal article ''Zero-Field Quantum Beats and Spin Decoherence Mechanisms in CsPbBr3 Perovskite Nanocrystals''.

Replication Data for: Selective Templating Growth of Chemically Inert Low-Dimensional Interfaces for Perovskite Solar Cells

Aug 1, 2025 - YE Senyun

Rao, Haixia; Ye, Senyun; Salim, Teddy; Mayengbam, Rishikanta; Guo, Yuanyuan; Feng, Minjun; Xi, Lifei; Yen, Zhihao; Salim, Rajendra; Wang, Yue; Cai, Rui; Xiao, Xingchi; Wang, Bo; He, Huajun; Sum, Tze Chien; Lam, Yeng Ming, 2025, "Replication Data for: Selective Templating Growth of Chemically Inert Low-Dimensional Interfaces for Perovskite Solar Cells", https://doi.org/10.21979/N9/NX6QUX, DR-NTU (Data), V1

All Source Data files generated or analysed in the related article can be found in this Dataset.

Replication Data for: Direct determination of multiphoton absorption cross-sections by transient absorption spectroscopy

Jul 25, 2025 - HE Huajun

He, Huajun; Lim, Jia Wei Melvin; Feng, Minjun; Xing, Zengshan; Sum, Tze Chien, 2025, "Replication Data for: Direct determination of multiphoton absorption cross-sections by transient absorption spectroscopy", https://doi.org/10.21979/N9/DZRHSQ, DR-NTU (Data), V1

Single- and multi-photon absorption cross-sections quantify the likelihood that a material will absorb one or more photons at a given wavelength. This crtical parameter is fundamental to understanding light-matter interactions that underpin key applications in spectroscopy, photo...

Replication Data for: Organic and inorganic sublattice coupling in two-dimensional lead halide perovskites

May 29, 2024 - FU Jianhui

Fu, Jianhui; Bian, Tieyuan; Yin, Jun; Feng, Minjun; Xu, Qiang; Wang, Yue; Sum, Tze Chien, 2024, "Replication Data for: Organic and inorganic sublattice coupling in two-dimensional lead halide perovskites", https://doi.org/10.21979/N9/CBJGV2, DR-NTU (Data), V1

Replication Data for paper entitled "Organic and inorganic sublattice coupling in two-dimensional lead halide perovskites" that will be published in Nature Communications

Replication Data for: Floquet Engineering of Excitons in Two-Dimensional Halide Perovskites via Biexciton States

Mar 11, 2024 - CAI Rui

Cai, Rui; Feng, Minjun; Kanwat, Anil; Furuhashi, Tomoki; Wang, Bo; Sum, Tze Chien, 2024, "Replication Data for: Floquet Engineering of Excitons in Two-Dimensional Halide Perovskites via Biexciton States", https://doi.org/10.21979/N9/BK6H7S, DR-NTU (Data), V1

This dataset contains raw data for the journal article ''Floquet Engineering of Excitons in Two-Dimensional Halide Perovskites via Biexciton States''.

Replication Data for: Making and Breaking of Exciton Cooling Bottlenecks in Halide Perovskite Nanocrystals

Dec 30, 2023 - LIM Jia Wei Melvin

Lim, Jia Wei Melvin; Guo, Yuanyuan; Feng, Minjun; Cai, Rui; Sum, Tze Chien, 2023, "Replication Data for: Making and Breaking of Exciton Cooling Bottlenecks in Halide Perovskite Nanocrystals", https://doi.org/10.21979/N9/IHVBEF, DR-NTU (Data), V1

Harnessing quantum confinement (QC) effects in semiconductors to retard hot carrier cooling (HCC) is an attractive approach for enabling efficient hot carrier extraction to overcome the Shockley−Queisser limit. However, there is a debate about whether halide perovskite nanocrysta...

Replication Data for: Enhancing Two-Dimensional Electronic Spectroscopy for Layered Halide Perovskites

Dec 12, 2023 - RAMESH Sankaran

Ramesh, Sankaran; Feng, Minjun; Furuhashi, Tomoki; Sum, Tze Chien, 2023, "Replication Data for: Enhancing Two-Dimensional Electronic Spectroscopy for Layered Halide Perovskites", https://doi.org/10.21979/N9/41FE8K, DR-NTU (Data), V1

The photophysics of layered halide perovskites reveals a rich disposition of exciton behaviour. Two-dimensional electronic spectroscopy (2DES) is a powerful technique for investigating such excitonic interactions and dynamics. However, the wide spectral range of layered perovskit...

Replication Data for: Exploring Intermolecular Singlet Fission in Pyrene-fused Azaacenes Film

Nov 21, 2023 - Guo Yuanyuan

Guo, Yuanyuan, 2023, "Replication Data for: Exploring Intermolecular Singlet Fission in Pyrene-fused Azaacenes Film", https://doi.org/10.21979/N9/SYCX3M, DR-NTU (Data), V1

Yuanyuan Guo,# Minjun Feng,# Zhongbo Zhang,# Senyun Ye, Yue Wang, Qiannan Zhang, Tomoki Furuhashi, Dongming Jia,* Qichun Zhang,* and Tze Chien Sum*. Exploring Intermolecular Singlet Fission in Pyrene-fused Azaacenes Film. Chem. Mater. 2023, 35, 9040−9049.

Replication Data for: Carrier Multiplication in Perovskite Solar Cells with Internal Quantum Efficiency exceeding 100%

Oct 10, 2023 - WANG Yue

Wang, Yue; Ye, Senyun; Lim, Jia Wei Melvin; Giovanni, David; Feng, Minjun; Fu, Jianhui; Krishnamoorthy, Harish Natarajan Swaha; Zhang, Qiannan; Xu, Qiang; Cai, Rui; Sum, Tze Chien, 2023, "Replication Data for: Carrier Multiplication in Perovskite Solar Cells with Internal Quantum Efficiency exceeding 100%", https://doi.org/10.21979/N9/ZEZWAM, DR-NTU (Data), V1

This dataset contains raw data for the journal article ''Carrier Multiplication in Perovskite Solar Cells with Internal Quantum Efficiency exceeding 100%".

Replication Data for: Insights to Carrier-Phonon Interactions in Lead Halide Perovskites via Multi-pulse Manipulation

Jun 8, 2023 - FENG Minjun

Feng, Minjun; Ye, Senyun; Lim, Jia Wei Melvin; Guo, Yuanyuan; Cai, Rui; Zhang, Qiannan; He, Huajun; Sum, Tze Chien, 2023, "Replication Data for: Insights to Carrier-Phonon Interactions in Lead Halide Perovskites via Multi-pulse Manipulation", https://doi.org/10.21979/N9/POXXQE, DR-NTU (Data), V1

Replication Data for: Insights to Carrier-Phonon Interactions in Lead Halide Perovskites via Multi-pulse Manipulation

Replication Data for: Zero-Field Quantum Beats and Spin Decoherence Mechanisms in CsPbBr3 Perovskite Nanocrystals

Apr 29, 2023 - CAI Rui

Cai, Rui; Wadgaonkar, Indrajit; Lim, Jia Wei Melvin; Dal Forno, Stefano; Giovanni, David; Feng, Minjun; Ye, Senyun; Battiato, Marco; Sum, Tze Chien, 2023, "Replication Data for: Zero-Field Quantum Beats and Spin Decoherence Mechanisms in CsPbBr3 Perovskite Nanocrystals", https://doi.org/10.21979/N9/GEBAP3, DR-NTU (Data), V1

This dataset contains raw data for the journal article ''Zero-Field Quantum Beats and Spin Decoherence Mechanisms in CsPbBr3 Perovskite Nanocrystals''.

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