The DOI matches its Crossref record; 27 of the 27 references it cites were found in a registry or an index.
On Mott-Schottky analysis interpretation of capacitance measurements in organometal perovskite solar cells
Open accessAbstract
Capacitance response of perovskite-based solar cells (PSCs) can be exploited to infer underlying physical mechanisms, both in the materials bulk and at outer interfaces. Particularly interesting is applying the depletion layer capacitance theory to PSCs, following common procedures used with inorganic and organic photovoltaic devices. Voltage-modulation of the depletion layer width allows extracting relevant parameters as the absorber defect density and built-in potential by means of the Mott-Schottky (MS) analysis. However, the uncritical use of the MS technique may be misleading and yields incorrect outcomes as a consequence of masking effects that accumulation capacitances, commonly observed in PSCs, produce on the measured capacitance value. Rules are provided here to select the measuring frequency that allows extracting depletion layer capacitance, and the voltage range in which it dominates, avoiding accumulation capacitive parasitic contributions. It is noted that the distinction of the depletion capacitance from the accumulation capacitance is only feasible in the case of perovskite layers containing significant defect density (∼1017 cm−3). It is confirmed that MS reproducibility is assured by hysteresis reduction at slow scan rates, and positive bias starting polarization. A complete procedure with specific checking points is provided here for consistent MS measurement and interpretation.
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Cites
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Cited by
Futscher, M. H., Lee, J. M., McGovern, L., Muscarella, L. A., Wang, T., Haider, M. I., Fakharuddin, A., Schmidt-Mende, L., & Ehrler, B. (2019) · Materials Horizons · doi:10.1039/c9mh00445a · Cited by 409
Selective growth of layered perovskites for stable and efficient photovoltaics
Cho, K. T., Grancini, G., Lee, Y., Oveisi, E., Ryu, J., Almora, O., Tschumi, M., Schouwink, P. A., Seo, G., Heo, S., et al. (2018) · Energy & Environmental Science · doi:10.1039/c7ee03513f · Cited by 367
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Metadata
- Authors
- Almora, O., Aranda, C., Mas-Marzá, E., & Garcia-Belmonte, G.
- Venue
- Applied Physics Letters
- Publisher
- AIP Publishing
- Published
- 2016-10-24
- Volume
- 109
- Issue
- 17
- ISSN
- 0003-6951 (ISSN-L)
- 1077-3118
- OpenAlex
- W2534439494
- Cited by
- 543
- References
- 27
- FWCI
- 11.13
- Type
- journal article
- Language
- en
- Open access
- green
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