Corrigendum to ‘Simple dual-QCM method to control CH3NH3I deposition for reproducible vacuum-processed halide perovskite photovoltaic devices’ [Mater. Lett. 321 (2021) 132459]

Espinoza, C.; Barría-Cáceres, Felipe; Angel, Felipe A.

doi:10.1016/j.matlet.2022.133545

Materials Letters

2023

DOI: 10.1016/j.matlet.2022.133545

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Corrigendum to ‘Simple dual-QCM method to control CH3NH3I deposition for reproducible vacuum-processed halide perovskite photovoltaic devices’ [Mater. Lett. 321 (2021) 132459]

C. Espinoza

Felipe Barría-Cáceres

Felipe A. Angel

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“…as the origins of their unusual sublimation behavior. [12,18,50,51,[53][54][55] This can be mitigated, somewhat, by changes in the setup, such as changing the direction and/or position of the monitoring QCM [12,56,57] or by controlling the MAI sublimation through the chamber pressure rather than its deposition rate. [31,52,58,59] Yet, others report the control through the substrate temperature [44] or through the addition of in situ monitoring methods.…”

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Photovoltaic Devices Using Sublimed Methylammonium Lead Iodide Perovskites: Long‐Term Reproducible Processing

et al. 2023

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Perovskite solar cells (PSCs) are viable sources of efficient and affordable energy that has attracted much interest since their onset in 2009 due to rapidly increasing device power conversion efficiencies (PCEs, currently above 25.6% already). [1] Highquality (poly-)crystalline perovskite films have a combination of desirable properties, mainly high absorption coefficient, high ambipolar charge mobility, and long charge carrier diffusion length. [2] These properties are directly related to the film morphology, stoichiometry, and density of defects in the bulk or at the surface. Hence, to ensure reproducible preparation of PSCs, it is crucial that the perovskite growth during deposition is controllable in a repeatable way independent of batchto-batch purity variations of the precursor salts used. A stable reproducible baseline cell performance is crucial to advance the technology and further optimize the efficiency and stability. Numerous deposition processes are investigated, from solvent-based techniques such as spin coating, blade coating, and solvent engineering to vacuum-based methods, such as thermal vacuum deposition or close space sublimation or even hybrid sequential depositions. [2][3][4][5][6][7][8][9][10][11] Physical vapor deposition (PVD) is a very versatile technique that can be used to grow films of many classes of materials, such as metallic, semiconducting, and insulating films for use in photovoltaics and light-emitting devices, as well as resistors, transparent conductive oxides, corrosion resistant coatings, magnetic films, among many others. This technique is widely used in the optoelectronic/semiconductor industry for being compatible with large area and high throughput, granting high purity and uniformity to the deposited films. [9,[12][13][14][15][16][17] It also allows for the in situ monitoring of the deposition rate using quartz crystal microbalances (QCM), which is important when two precursors are cosublimed and to enable precise thickness control. [12,18] Many research groups have reported on vacuum-deposited perovskites, showing that efficient fully evaporated solar cells are readily achievable. Different perovskite compositions have been prepared ranging from the archetypal MAPbI 3 , requiring the coevaporation of PbI 2 and CH 3 NH 3 I (methylammonium iodide, MAI) in only two sources, [19][20][21][22][23][24][25][26][27][28][29][30][31][32][33][34][35] to more complex multication multihalide structures that require the coevaporation from three or more precursors. [36][37][38][39][40][41][42][43] There are many examples in the literature of coevaporated MAI-based PSCs with PCEs exceeding 20%. [22,25,[43][44][45][46] However, despite these successful demonstrations, the sublimation control of organic ammonium halides remains a critical factor in achieving reproducibility of the perovskite film in vacuum-processed devices.Many authors have found difficulties in monitoring the MAI sublimation, due to fluctuating deposition rates, [20,22,29,[47][48][49][50][51] or in measuring the thic...

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Photovoltaic Devices Using Sublimed Methylammonium Lead Iodide Perovskites: Long‐Term Reproducible Processing

et al. 2023

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Corrigendum to ‘Simple dual-QCM method to control CH3NH3I deposition for reproducible vacuum-processed halide perovskite photovoltaic devices’ [Mater. Lett. 321 (2021) 132459]

Cited by 1 publication

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Photovoltaic Devices Using Sublimed Methylammonium Lead Iodide Perovskites: Long‐Term Reproducible Processing

Photovoltaic Devices Using Sublimed Methylammonium Lead Iodide Perovskites: Long‐Term Reproducible Processing

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