Solar energy paper index
A triangular prism-structured photoelectrochemical UV detector: broader detection range and wide detection angle
One-line summary
A solar energy research paper on A triangular prism-structured photoelectrochemical UV detector: broader detection range and wide detection angle.
Engineering notes
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Chinese explanation / 中文解读
中文解读待补充：本站会优先为光伏效率、钙钛矿太阳能电池、储能技术、太阳能热利用、BIPV、并网技术等高价值论文补充中文说明。
Original abstract
Abstract Traditional photoelectrochemical (PEC) UV detectors typically employ a planar structure using FTO/ITO transparent conductive oxides as the photoanode substrate. These devices cannot respond to UV light below 300 nm, and the planar structure only supports a detection range of approximately 90°. This study innovatively constructs a back-incident PEC UV detector with a triangular prism structure by adding a quartz optical window, thereby broadening the device's response range and detection angle. The results indicate that when the photoanode and the quartz window form an equilateral triangular structure with a 60° angle, the device performance is optimized, achieving a maximum photocurrent density of 21.6 μA/cm² under 365 nm illumination. This work successfully overcomes the limitation of traditional devices having no response below 300 nm. This type of triangular prism device can perform detection on all three of its faces, each with distinct detection characteristics. These faces can operate independently or complementarily, extending the detection range from a single plane to 360°. Rotating the device enables omnidirectional real-time detection. This research provides a novel technical solution for simultaneously broadening the detection range and angle of PEC UV detectors.
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