ArticleNano letters2023
Pulsed Force Kelvin Probe Force Microscopy through Integration of Lock-In Detection.
Article in Nano letters, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
What it found
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Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
6 citing papers in PubMed.
- Kelvin Probe Force Microscopy in Bionanotechnology: Current Advances and Future Perspectives.Advanced materials (Deerfield Beach, Fla.) · 2026Review
- Revisiting the Marcus inverted regime: modulation strategies for photogenerated ultrafast carrier transfer from semiconducting quantum dots to metal oxides.RSC advances · 2025Review
- Charge-transfer dynamics in S-scheme photocatalyst.Nature reviews. Chemistry · 2025Review
- Biomaterials Mimicking Mechanobiology: A Specific Design for a Specific Biological Application.International journal of molecular sciences · 2024Review
- Stabilizing TiProceedings of the National Academy of Sciences of the United States of America · 2024Article
- Pulsed Force Kelvin Probe Force Microscopy-A New Type of Kelvin Probe Force Microscopy under Ambient Conditions.The journal of physical chemistry. C, Nanomaterials and interfaces · 2024Review
Corrections and comments
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Authors and funding
5 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Kelvin probe force microscopy measures surface potential and delivers insights into nanoscale electronic properties, including work function, doping levels, and localized charges. Recently developed pulsed force Kelvin probe force microscopy (PF-KPFM) provides sub-10 nm spatial resolution under ambient conditions, but its original implementation is hampered by instrument complexity and limited operational speed. Here, we introduce a solution for overcoming these two limitations: a lock-in amplifier-based PF-KPFM. Our method involves phase-synchronized switching of a field effect transistor to mediate the Coulombic force between the probe and the sample. We validate its efficacy on two-dimensional material MXene and aged perovskite photovoltaic films. Lock-in-based PF-KPFM successfully identifies the contact potential difference (CPD) of stacked flakes and finds that the CPDs of monoflake MXene are different from those of their multiflake counterparts, which are otherwise similar in value. In perovskite films, we uncover electrical degradation that remains elusive with surface topography.
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Registered trials
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