2022
DOI: 10.1021/acs.energyfuels.2c01264
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Interface Modification via a Hydrophobic Polymer Interlayer for Highly Efficient and Stable Carbon-Based Inorganic Perovskite Solar Cells

Abstract: The Serious interfacial recombination and low-efficient hole extraction at the interface of the carbon electrode and perovskite film have strikingly limited the performance improvement of carbon-based inorganic perovskite solar cells (PSCs). Here, hydrophobic poly­(3-hexylthiophene) (P3HT) and polystyrene (PS) are employed as the interlayer to modify the interface of the CsPbIBr2 perovskite and the carbon electrode for enhancing the hole extraction and reducing the interfacial recombination. The effect of the … Show more

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Cited by 9 publications
(5 citation statements)
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“…Hydrophobic poly (3-hexylthiophene) has been reported to work as an interfacial structure for efficient hole transport between CsPbIBr 2 and a carbon-based cathode. The resultant hole conducting polymer exhibited an open circuit potential >1.0 V, confirming the prevention of charge recombination at cathode …”
Section: Control Of Undesired Interfacial Reaction With Redox Polymer...mentioning
confidence: 66%
See 1 more Smart Citation
“…Hydrophobic poly (3-hexylthiophene) has been reported to work as an interfacial structure for efficient hole transport between CsPbIBr 2 and a carbon-based cathode. The resultant hole conducting polymer exhibited an open circuit potential >1.0 V, confirming the prevention of charge recombination at cathode …”
Section: Control Of Undesired Interfacial Reaction With Redox Polymer...mentioning
confidence: 66%
“…The resultant hole conducting polymer exhibited an open circuit potential >1.0 V, confirming the prevention of charge recombination at cathode. 271…”
Section: Control Of Undesired Interfacial Reaction With Redox Polymer...mentioning
confidence: 99%
“…However, the serious charge recombination and inefficient hole extraction greatly limit the enhancement of device efficiency. To improve the photoelectric performance and stability of all-inorganic carbon-electrode PSCs, our group have carried out studies on the optimizing the substrate temperature, [103] interface modification with polymers, [104] perovskite crystallization engineering, [50,[105][106][107] and energy level alignment. [108] The performance parameters of PSCs with graphite electrodes are summarized in Table 1.…”
Section: Graphitementioning
confidence: 99%
“…The optimized band arrangement in PSCs facilitated charge extraction and inhibited recombination at the perovskite/carbon interface, resulting in a FF of 0.80. Wang et al 132 utilized poly(3-hexylthiophene) to modify the CsPbIBr 2 /carbon interface. Poly(3-hexylthiophene) acts as a hydrophobic agent, effectively preventing water ingress and protecting the CsPbIBr 2 perovskite from water damage.…”
Section: Interface Modificationmentioning
confidence: 99%