Nature | Communications
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Defect-engineered black tetragonal-tungsten-bronze ferroelectric crystal for full spectrum absorption and broadband photoelectronic conversion
The authors propose a hierarchical defect engineering strategy for ferroelectric oxides to achieve full-spectrum optical absorption and boost broadband self-powered photodetection, realizing self-powered photodetection in the 250–5000 nm range with a responsivity of >1 mA/W.
