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Advances in polarization-driven photoelectrochemical bioanalysis: a comprehensive review
Mengmeng Gu1,2, Yaoxuan Jin1, Xiuming Wu1
1Key Laboratory of Synthetic and Biological Colloids (Ministry of Education), School of Chemical and Material Engineering, Jiangnan University, Wuxi 214122, China. glwang@jiangnan.edu.cn.
Chemical Communications (Cambridge, England)
|July 22, 2026
Summary
Polarization engineering effectively suppresses charge carrier recombination in photoelectrochemical (PEC) bioanalysis. This breakthrough enhances PEC biosensing performance by utilizing polarization-induced electric fields for improved detection.
Area of Science:
- Materials Science
- Analytical Chemistry
- Biotechnology
Background:
- Photoelectrochemical (PEC) bioanalysis offers sensitive, selective, and cost-effective detection.
- Charge carrier recombination in photoactive materials limits PEC bioanalysis performance.
- A novel approach is needed to overcome these limitations.
Purpose of the Study:
- To introduce polarization engineering as a solution to charge carrier recombination in PEC bioanalysis.
- To explore the design, synthesis, and function of advanced polarization materials for PEC biosensing.
- To review the applications and mechanisms of polarization-enhanced PEC bioanalysis.
Main Methods:
- Systematic review of polarization engineering strategies in PEC bioanalysis.
- Exploration of ferroelectric, piezoelectric, pyroelectric, macroscopic, and spin polarization systems.
- Analysis of polarization-induced electric fields for carrier separation enhancement.
Main Results:
- Polarization engineering effectively suppresses charge carrier recombination.
- Polarization-induced electric fields enhance charge carrier separation and mobility.
- Advanced polarization materials demonstrate significant improvements in PEC bioanalysis.
Conclusions:
- Polarization engineering is a groundbreaking strategy for advancing PEC bioanalysis.
- This approach significantly enhances sensitivity, selectivity, and overall detection performance.
- Future research should focus on developing novel polarization materials and applications.
