Implementation of Data-cube Pump-probe KPFM on Organic Solar Cells

Overview

Journal Beilstein J Nanotechnol

Specialty Biotechnology

Date 2020 Mar 3

PMID 32117670

Citations 5

Authors

Benjamin Grevin

Olivier Bardagot

Renaud Demadrille

Affiliations

Soon will be listed here.

Abstract

An implementation of pump-probe Kelvin probe force microscopy (pp-KPFM) is reported that enables recording the time-resolved surface potential in single-point mode or over a 2D grid. The spectroscopic data are acquired in open -loop configuration, which simplifies the pp-KPFM operation. The validity of the implementation is probed by measurements using electrical pumping. The dynamical photoresponse of a bulk heterojunction solar cell based on PTB7 and PCBM is subsequently investigated by recording point-spectroscopy curves as a function of the optical power at the cathode and by mapping 2D time-resolved images of the surface photovoltage of the bare organic active layer.

Citing Articles

Spatial mapping of photovoltage and light-induced displacement of on-chip coupled piezo/photodiodes by Kelvin probe force microscopy under modulated illumination.

Eftekhari Z, Rezaei N, Stokkel H, Zheng J, Cerreta A, Hermes I Beilstein J Nanotechnol. 2023; 14:1059-1067.

PMID: 38025201 PMC: 10644008. DOI: 10.3762/bjnano.14.87.

Dual-heterodyne Kelvin probe force microscopy.

Grevin B, Husainy F, Aldakov D, Aumaitre C Beilstein J Nanotechnol. 2023; 14:1068-1084.

PMID: 38025199 PMC: 10644032. DOI: 10.3762/bjnano.14.88.

Comparing the performance of single and multifrequency Kelvin probe force microscopy techniques in air and water.

Kilpatrick J, Kargin E, Rodriguez B Beilstein J Nanotechnol. 2022; 13:922-943.

PMID: 36161252 PMC: 9490074. DOI: 10.3762/bjnano.13.82.

Direct measurement of surface photovoltage by AC bias Kelvin probe force microscopy.

Miyazaki M, Sugawara Y, Li Y Beilstein J Nanotechnol. 2022; 13:712-720.

PMID: 35957676 PMC: 9344549. DOI: 10.3762/bjnano.13.63.

Nanoscale Charge Accumulation and Its Effect on Carrier Dynamics in Tri-cation Perovskite Structures.

Toth D, Hailegnaw B, Richheimer F, Castro F, Kienberger F, Scharber M ACS Appl Mater Interfaces. 2020; 12(42):48057-48066.

PMID: 32969644 PMC: 7586297. DOI: 10.1021/acsami.0c10641.

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