ArticleNature communications2022
Anisotropic charge trapping in phototransistors unlocks ultrasensitive polarimetry for bionic navigation.
Article in Nature communications, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.
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Who cites it
12 citing papers in PubMed.
- Solution-Processed, Large-Area Two-Dimensional Organic Single-Crystalline Films: Strategies, Mechanisms, and Applications.Precision chemistry · 2026Review
- Light-tunable charge dynamics enable ultralow-power bidirectional lead-free perovskite synapses for intelligent vision.Science advances · 2026Article
- Beyond Intrinsic Limits: Polarization-Sensitive Carrier Dynamics Amplify Subtle Intrinsic Optical Anisotropy into Giant Linear Dichroism.Advanced materials (Deerfield Beach, Fla.) · 2026Article
- Polarization Photovoltage Transistor enabling Amplified Responsivity and Sensitivity.Nature communications · 2026Article
- High discrimination infrared polarimetry via intrinsic anisotropic photogating in black phosphorus meta-polarization detectors.Nature communications · 2025Article
- Bioinspired adaptive response speed for high-quality human-robot interactions.Science advances · 2025Article
- Article
- Versatile on-chip polarization-sensitive detection system for optical communication and artificial vision.Light, science & applications · 2025Article
- Bioinspired single-shot polarization photodetector based on four-directional grating arrays capped perovskite single-crystal thin film.Science advances · 2024Article
- Interspecies-chimera machine vision with polarimetry for real-time navigation and anti-glare pattern recognition.Nature communications · 2024Article
- Modulation of Properties in [1]Benzothieno[3,2-Molecules (Basel, Switzerland) · 2024Article
- An Improved Bio-Orientation Method Based on Direct Sunlight Compensation for Imaging Polarization Sensor.Journal of imaging · 2024Article
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Authors and funding
9 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Being able to probe the polarization states of light is crucial for applications from medical diagnostics and intelligent recognition to information encryption and bio-inspired navigation. Current state-of-the-art polarimeters based on anisotropic semiconductors enable direct linear dichroism photodetection without the need for bulky and complex external optics. However, their polarization sensitivity is restricted by the inherent optical anisotropy, leading to low dichroic ratios of typically smaller than ten. Here, we unveil an effective and general strategy to achieve more than 2,000-fold enhanced polarization sensitivity by exploiting an anisotropic charge trapping effect in organic phototransistors. The polarization-dependent trapping of photogenerated charge carriers provides an anisotropic photo-induced gate bias for current amplification, which has resulted in a record-high dichroic ratio of >10
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