Laser processing in liquids: insights into nanocolloid generation and thin film integration for energy, photonic, and sensing applications

• Akshana Parameswaran Sreekala,
• Pooja Raveendran Nair,
• Jithin Kundalam Kadavath,
• Bindu Krishnan,
• David Avellaneda Avellaneda,
• M. R. Anantharaman and
• Sadasivan Shaji

Beilstein J. Nanotechnol. 2025, 16, 1428–1498, doi:10.3762/bjnano.16.104

• technique creates uniform coatings on a substrate by directing an atomized stream of molten material droplets onto it [140]. A schematic representation of an ultrasonic spray deposition setup is provided in Figure 13. The thickness of the film is mainly determined by factors such as the distance between the

• nanoparticles (MoO3 NPs) prepared by PLAL were employed to process uniform thin films of MoO3 in large areas with controllable thickness using ultrasonic spray deposition method for photovoltaic applications. Depositing thin films led to changes in morphology and particle size due to nanoparticle coalescence

Conjugated photothermal materials and structure design for solar steam generation

• Chia-Yang Lin and
• Tsuyoshi Michinobu

Beilstein J. Nanotechnol. 2023, 14, 454–466, doi:10.3762/bjnano.14.36

• ratio, high porosity, and high mass transport. Therefore, they are often applied to SSG absorbers along with other macrostructures such as membranes and foams [29][52][53][54][55]. One noticeable example is the study of nanofiber-based light-trapping coatings [29]. Ma et al. proposed an ultrasonic spray

• , Copyright (2021), with permission from Elsevier. This content is not subject to CC BY 4.0. Fabrication process of PPy nanofiber light-trapping coatings by ultrasonic spray coating. (Figure 9 was reproduced with permission from [29], Copyright 2021 American Chemical Society). Surface morphology of (a) filter

Recent progress in perovskite solar cells: the perovskite layer

• Xianfeng Dai,
• Ke Xu and
• Fanan Wei

Beilstein J. Nanotechnol. 2020, 11, 51–60, doi:10.3762/bjnano.11.5

• over time is summarized in Figure 3. Spray coating Spray coating is the fastest method of obtaining scalable perovskite layers providing a high coating rate in a continuous process. For the first time, Lidzey et al. [43] used the ultrasonic spray coating technique to coat a precursor solution

Semitransparent Sb₂S₃ thin film solar cells by ultrasonic spray pyrolysis for use in solar windows

• Jako S. Eensalu,
• Atanas Katerski,
• Erki Kärber,
• Lothar Weinhardt,
• Monika Blum,
• Clemens Heske,
• Wanli Yang,
• Ilona Oja Acik and
• Malle Krunks

Beilstein J. Nanotechnol. 2019, 10, 2396–2409, doi:10.3762/bjnano.10.230

• spectroscopy, semitransparent Sb2S3 thin films can be rapidly grown in air by the area-scalable ultrasonic spray pyrolysis method. Integrated into a ITO/TiO2/Sb2S3/P3HT/Au solar cell, a power conversion efficiency (PCE) of 5.5% at air mass 1.5 global (AM1.5G) is achieved, which is a record among spray

• . Keywords: antimony sulfide; semitransparent solar cells; solar windows; thin films; ultrasonic spray pyrolysis; Introduction Modern buildings, especially high-rise buildings, have a large window area available for building-integrated photovoltaics (BIPV). Covering the windows with semitransparent thin

• benefits of the capability of USP for large-scale production, extensive cost-savings could be achieved by depositing all component layers in the Sb2S3-solar cell by ultrasonic spray pyrolysis, further accentuating facile integration in solar window glass production. Experimental Solar cell fabrication All

Uniform Sb₂S₃ optical coatings by chemical spray method

• Jako S. Eensalu,
• Atanas Katerski,
• Erki Kärber,
• Ilona Oja Acik,
• Arvo Mere and
• Malle Krunks

Beilstein J. Nanotechnol. 2019, 10, 198–210, doi:10.3762/bjnano.10.18

• were investigated using Raman spectroscopy, X-ray diffraction, scanning electron microscopy, energy dispersive X-ray spectroscopy and UV–vis–NIR spectroscopy. We demonstrated that Sb2S3 optical coatings with controllable structure, morphology and optical properties can be deposited by ultrasonic spray

• pyrolysis in air by tuning of the deposition temperature, the Sb/S precursor molar ratio in the spray solution, and the post-deposition treatment temperature. Keywords: antimony sulfide; thin films; ultrasonic spray; vacuum annealing; Volmer–Weber growth; Introduction Antimony sulfide (Sb2S3) is an

• layers could be controlled by varying the spray deposition temperature and the molar ratio of precursors in spray solution. Nonuniform, discontinuous layers of polycrystalline Sb2S3 (Eg 1.8 eV) were deposited by ultrasonic spray pyrolysis of SbCl3/SC(NH2)2 1:3 solution at TD ≥ 220 °C or 1:6 solution at

The longstanding challenge of the nanocrystallization of 1,3,5-trinitroperhydro-1,3,5-triazine (RDX)

• Florent Pessina and
• Denis Spitzer

Beilstein J. Nanotechnol. 2017, 8, 452–466, doi:10.3762/bjnano.8.49

• , etc. Ultrasonic spray pyrolysis Since the nineties, spray crystallization and synthesis has been performed using several atomizers, and among them piezoelectric transducers [75][76]. As a spray technique, the goal is to produce one particle per droplet, but here the crystallization is controlled by

• of agglomerated HMX/Viton by Shi et al. [89]), and even co-crystals (micrometer-sized spheres of agglomerated HMX/TNT by Li et al. [90]). Spray flash evaporation (SFE) Risse and Spitzer developed an innovative process after experiencing the limitations of the ultrasonic spray pyrolysis method: beyond

Sb₂S₃ grown by ultrasonic spray pyrolysis and its application in a hybrid solar cell

• Erki Kärber,
• Atanas Katerski,
• Ilona Oja Acik,
• Arvo Mere,
• Valdek Mikli and
• Malle Krunks

Beilstein J. Nanotechnol. 2016, 7, 1662–1673, doi:10.3762/bjnano.7.158

• cycle lasted for 3 min, the deposition rate of 12.5 nm per cycle accounts to 0.07 nm·s−1 for the ultrasonic spray method, in which we use raw chemicals for the deposition of crystalline Sb2S3 at around 250 °C in air. A higher but close to comparable growth rate of 0.14 nm·s−1 is reported for growing

• from planar to nanostructured. In either configuration, flat or structured, the Sb2S3 is expected to be a continuous absorber layer. Such a further development, a conformal Sb2S3 layer deposited by ultrasonic spray on top of a nanostructured electron conducting substrate, is presently in progress