Coherent energy and charge carrier dynamics In quasi-2D lead halide perovskites

by Ramesh, Sankaran
Published 2023

Enhancing two-dimensional electronic spectroscopy for layered halide perovskites

by Ramesh, Sankaran, Feng, Minjun, Furuhashi, Tomoki, Sum, Tze Chien
Published 2023

Unveiling the impact of organic spacer cations on auger recombination in layered halide perovskites

by Furuhashi, Tomoki, Kanwat, Anil, Ramesh, Sankaran, Mathews, Nripan, Sum, Tze Chien
Published 2023

Origins of the long-range exciton diffusion in perovskite nanocrystal films : photon recycling vs exciton hopping

by Giovanni, David, Righetto, Marcello, Zhang, Qiannan, Lim, Melvin Jia Wei, Ramesh, Sankaran, Sum, Tze Chien
Published 2021

Electronic states modulation by coherent optical phonons in 2D halide perovskites

by Fu, Jianhui, Li, Mingjie, Solanki, Ankur, Xu, Qiang, Lekina, Yulia, Ramesh, Sankaran, Shen, Ze Xiang, Sum, Tze Chien
Published 2021

Excitons in 2D perovskites for ultrafast terahertz photonic devices

by Kumar, Abhishek, Solanki, Ankur, Manjappa, Manukumara, Ramesh, Sankaran, Srivastava, Yogesh Kumar, Agarwal, Piyush, Sum, Tze Chien, Singh, Ranjan
Published 2020

Tailoring the energy manifold of quasi-two-dimensional perovskites for efficient carrier extraction

by Ramesh, Sankaran, Giovanni, David, Righetto, Marcello, Ye, Senyun, Fresch, Elisa, Wang, Yue, Collini, Elisabetta, Mathews, Nripan, Sum, Tze Chien
Published 2022

Spacer cation alloying in Ruddlesden-Popper perovskites for efficient red light-emitting diodes with precisely tunable wavelengths

by Qing, Jian, Ramesh, Sankaran, Xu, Qiang, Liu, Xiao-Ke, Wang, Heyong, Yuan, Zhongcheng, Chen, Zhan, Hou, Lintao, Sum, Tze Chien, Gao, Feng
Published 2021

Hot carriers perspective on the nature of traps in perovskites

by Righetto, Marcello, Lim, Swee Sien, Giovanni, David, Lim, Melvin Jia Wei, Zhang, Qiannan, Ramesh, Sankaran, Tay, Eugene Yong Kang, Sum, Tze Chien
Published 2022

Spacer cation engineering in Ruddlesden-Popper perovskites for efficient red light-emitting diodes with recommendation 2020 color coordinates

by Qing, Jian, Ramesh, Sankaran, Liu, Xiao-Ke, Wang, Heyong, Yu, Hongling, Kuang, Chaoyang, Hou, Lintao, Zhang, Wenjing, Sum, Tze Chien, Gao, Feng
Published 2023

The physics of interlayer exciton delocalization in Ruddlesden–Popper lead halide perovskites

by Giovanni, David, Ramesh, Sankaran, Righetto, Marcello, Lim, Melvin Jia Wei, Zhang, Qiannan, Wang, Yue, Ye, Senyun, Xu, Qiang, Mathews, Nripan, Sum, Tze Chien
Published 2021

Defect passivation using a phosphonic acid surface modifier for efficient RP perovskite blue-light-emitting diodes

by Mishra, Jayanta Kumar, Yantara, Natalia, Kanwat, Anil, Furuhashi, Tomoki, Ramesh, Sankaran, Salim, Teddy, Nur Fadilah Jamaludin, Febriansyah, Benny, Ooi, Zi En, Mhaisalkar, Subodh, Sum,Tze Chien, Hippalgaonkar, Kedar, Mathews, Nripan
Published 2022