An internally photoemitted hot carrier solar cell based on organic-inorganic perovskite

G Wang, LP Liao, AM Elseman, YQ Yao, CY Lin, W Hu… - Nano Energy, 2020 - Elsevier
Hot carriers and their extraction have been demonstrated in organic-inorganic perovskites
under transient condition. Unfortunately, there was no real device to harvest hot carriers …

Going ballistic: a novel characterization for the electronic energy gap

X Zhou, Q Li, Y Fang, H Xu, C Han - Physical Chemistry Chemical …, 2023 - pubs.rsc.org
The energy gap of molecular semiconductors is a critical parameter in molecule-based
devices because it fundamentally determines the operating principle and device …

Ballistic electron microscopy and spectroscopy of metal and semiconductor nanostructures

W Yi, AJ Stollenwerk, V Narayanamurti - Surface Science Reports, 2009 - Elsevier
Ballistic electron emission microscopy (BEEM) and its spectroscopy utilize ballistic transport
of hot carriers as a versatile tool to characterize nanometer-scale structural and electronic …

Accurate molecular recognition from the lowest unoccupied molecular orbital

X Zhou, S Yang, C Han - Scientific Reports, 2024 - nature.com
The quantification of the lowest unoccupied molecular orbital level (LUMO) for molecular
semiconductors is of great importance, because it determines the charge transport process …

Heteroepitaxial vertical perovskite hot-electron transistors down to the monolayer limit

BSY Kim, Y Hikita, T Yajima, HY Hwang - Nature communications, 2019 - nature.com
Two-dimensional heterostructures combined with vertical geometries are candidates to
probe and utilize the physical properties of atomically-thin materials. The vertical …

Probing semiconductor band structures and heterojunction interface properties with ballistic carrier emission: as a model system

W Yi, V Narayanamurti, H Lu, MA Scarpulla… - Physical Review B …, 2010 - APS
Utilizing three-terminal tunnel emission of ballistic electrons and holes in a planar tunnel
transistor with a Mott-barrier collector, we have developed a method to self-consistently …

A novel energy level detector for molecular semiconductors

X Zhou, J Zhang, G Bai, C Wang, W He… - Physical Chemistry …, 2022 - pubs.rsc.org
The multifunction of molecule-based devices is always achieved by improving their charge
transport characteristics. These characteristics depend strongly on the energy levels of …

[HTML][HTML] The effect of the effective electron mass on the hot electron collection

D Lu, C Xu, Y Zhong, J Dong, X He, H Bian, P Guo… - DeCarbon, 2023 - Elsevier
The dominant factor for hot electron collecting in internally photoemitted hot carrier (IPHC)
devices is still not clear under steady-state low intensity light. We here use SnO 2 as the …

Ballistic electron emission microscopy and spectroscopy: Recent results and related techniques

LD Bell - Journal of Vacuum Science & Technology B, 2016 - pubs.aip.org
Interfaces play a central role in determining properties of optical and electronic devices.
Many mature techniques exist for surface characterization, providing a great deal of detailed …

Antireflection coating of barriers to enhance electron tunnelling: exploring the matter wave analogy of superluminal optical phase velocity

ZC Zhao, DR McKenzie - Scientific Reports, 2017 - nature.com
The tunnelling of electrons through barriers is important in field emission sources and in
interconnects within electronic devices. Here we use the analogy between the …