Highly-efficient quantum dot-sensitized solar cells based on Sn doped ZnO and CuS electrodes

Tan, Jie; Shen, Yue; Zhang, Zongkun; Wu, Qishuang; Gu, Feng; Cao, Meng; Wang, Linjun

doi:10.1007/s10854-014-2660-1

Cited by 7 publications

(1 citation statement)

References 27 publications

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“…36 When the FTO/ZIS NSs was treated with SnCl 4 , besides the decreased intensities of typical peaks, no additional peak was detected, indicating a slight change in the crystallinity of FTO/ZIS NSs. Such phenomenon could be attributed to lattice distortion where Sn 4+ with an ionic radius of ∼0.71 Å topochemically replaced the location of Zn 2+ (0.74 Å), 37,38 and amorphous formation of a Sn(OH) 4 thin film occurred upon SnCl 4 hydrolysis. After the incubation of liposome lysate with Na 3 SPO 3 , the major diffraction peaks of the electrode were similar to those of FTO/ZIS NSs-Sn(IV).…”

Section: ■ Results and Discussionmentioning

confidence: 99%

Liposome-Mediated In Situ Formation of Type-I Heterojunction for Amplified Photoelectrochemical Immunoassay

et al. 2022

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Exploiting innovative sensing mechanisms and their rational implementation for selective and sensitive detection has recently become one of the mainstream research directions of photoelectrochemical (PEC) bioanalysis. In contrast to existing conventional strategies, this study presents a new liposomemediated method via in situ combining ZnInS nanosheets (ZIS NSs) with SnS 2 to form a ZIS NSs/SnS 2 type-I heterojunction on fluorine-doped tin oxide (FTO) electrodes for highly sensitive PEC immunoassays. Specifically, alkaline phosphatase (ALP)-encapsulated liposomes were confined within 96-well plates by sandwich immunorecognition and subsequently subjected to lysis treatment. Enzymatically produced H 2 S by the released ALP was then directed to react with Sn(IV) to engender the ZIS NSs/SnS 2 type-I heterojunction on the FTO/ZIS NSs-Sn(IV) electrode, resulting in a change in the photogenerated electron−hole transfer path of the photoelectrode and reduction in current signaling. Exemplified by heart-type fatty acid binding protein (h-FABP) as a target, the constructed PEC sensor showed good stability and selectivity in a biosensing system. Under optimal conditions, the as-prepared sensing platform displayed high sensitivity for h-FABP with a dynamic linear response range of 0.1−1000 pg/mL and a lower detection limit of 55 fg/mL. This research presents the liposome-mediated PEC immunoassay based on in situ type-I heterojunction establishment, providing a new protocol for analyzing various targets of interest.

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Section: ■ Results and Discussionmentioning

confidence: 99%