Structured hybrid photodetectors using confined conducting polymer nanochannels

Sukanya Das; K. H. Girish; N. Ganesh; K. S. Narayan

doi:10.1039/d3na00485f

Structured hybrid photodetectors using confined conducting polymer nanochannels

Sukanya Das, K. H. Girish, N. Ganesh, K. S. Narayan

Research output: Contribution to journal › Article › peer-review

Abstract

We design and fabricate hybrid organic inorganic perovskite photodetectors that utilize hole transport layer poly(3,4-ethylene dioxythiophene):poly (styrenesulfonate) PEDOT:PSS confined in alumina nanocylinders. This structural asymmetry in the device where the alumina nanopore template is partially filled with PEDOT:PSS provides features that improve certain device characteristics. The leakage component of the current in such devices is considerably suppressed, resulting in enhanced responsivity and detectivity. The funneling aspect of the photogenerated charge carrier transit ultimately leads to fast detectors as compared to conventional perovskite detectors.

Original language	English
Pages (from-to)	6155-6161
Number of pages	7
Journal	Nanoscale Advances
Volume	5
Issue number	22
DOIs	https://doi.org/10.1039/d3na00485f
State	Published - Oct 18 2023
Externally published	Yes

Funding

S. D and N. G thank JNCASR facilities. The authors thank Sunoj K. R. for designing metal masks for physical vapor deposition. K. S. N acknowledges support from the DST-JC Bose fellowship.

Funders	Funder number
DST-JC Bose fellowship

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10.1039/d3na00485f

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abstract = "We design and fabricate hybrid organic inorganic perovskite photodetectors that utilize hole transport layer poly(3,4-ethylene dioxythiophene):poly (styrenesulfonate) PEDOT:PSS confined in alumina nanocylinders. This structural asymmetry in the device where the alumina nanopore template is partially filled with PEDOT:PSS provides features that improve certain device characteristics. The leakage component of the current in such devices is considerably suppressed, resulting in enhanced responsivity and detectivity. The funneling aspect of the photogenerated charge carrier transit ultimately leads to fast detectors as compared to conventional perovskite detectors.",

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AU - Girish, K. H.

AU - Ganesh, N.

AU - Narayan, K. S.

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Y1 - 2023/10/18

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AB - We design and fabricate hybrid organic inorganic perovskite photodetectors that utilize hole transport layer poly(3,4-ethylene dioxythiophene):poly (styrenesulfonate) PEDOT:PSS confined in alumina nanocylinders. This structural asymmetry in the device where the alumina nanopore template is partially filled with PEDOT:PSS provides features that improve certain device characteristics. The leakage component of the current in such devices is considerably suppressed, resulting in enhanced responsivity and detectivity. The funneling aspect of the photogenerated charge carrier transit ultimately leads to fast detectors as compared to conventional perovskite detectors.

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ER -

Structured hybrid photodetectors using confined conducting polymer nanochannels

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