Comparison of organic and inorganic hole transport layers in double perovskite material-based solar cell

• Deepika K and
• Arjun Singh

Beilstein J. Nanotechnol. 2025, 16, 119–127, doi:10.3762/bjnano.16.11

• proposed device setup, the temperature was varied from 280 to 360 K. With the increase in temperature above room temperature, the PCE decreased from 26.37% to 25.14% with PEDOT:PSS; but, surprisingly, an increase in PCE from 25.68% to 27.10% was observed in the case of Cu2O along with an increase in FF for

Modeling and simulation of carbon-nanocomposite-based gas sensors

• Roopa Hegde,
• Punya Prabha V,
• Shipra Upadhyay and
• Krishna S B

Beilstein J. Nanotechnol. 2025, 16, 90–96, doi:10.3762/bjnano.16.9

• composed of PEDOT:PSS/poly(p-anisidine) (PPA) to detect CO was investigated at room temperature. The gas-sensing characteristics of the developed sensors such as sensitivity, response, and recovery time were evaluated at room temperature for different CO concentrations [5]. Many research works on PEDOT:PSS

Characterization of ZnO nanoparticles synthesized using probiotic Lactiplantibacillus plantarum GP258

• Prashantkumar Siddappa Chakra,
• Aishwarya Banakar,
• Shriram Narayan Puranik,
• Vishwas Kaveeshwar,
• C. R. Ravikumar and
• Devaraja Gayathri

Beilstein J. Nanotechnol. 2025, 16, 78–89, doi:10.3762/bjnano.16.8

• ambient conditions with a bandgap and high exciton binding energy of 3.37 eV and −60 meV, respectively [10]. Because of this high exciton binding energy even at room temperature, the excitonic transitions have a broad range of applications such as in optics, gas detecting, piezoelectrics, and

• (CV) and electrochemical impedance spectroscopy (EIS) were carried out at room temperature using a three-electrode cell with 0.1 M KCl electrolyte. The ZnO NP electrode was measured at scan rates from 10 to 50 mV/s. The measurements revealed reversibility and electrode load efficiency along with

Precursor sticking coefficient determination from indented deposits fabricated by electron beam induced deposition

• Alexander Kuprava and
• Michael Huth

Beilstein J. Nanotechnol. 2025, 16, 35–43, doi:10.3762/bjnano.16.4

• coefficient on temperature has already been observed for lighter organic molecules [17][19][20]. The values in these works are close to unity at room temperature and lower temperatures and go down to near zero only at substantially high temperatures (>1000 K). In contradistinction, the values obtained for Cr

• (C6H6)2 at room temperature are almost two orders of magnitude lower. Despite the fact that the investigations in these works have been performed for relatively light molecules (≈72 g/mole) compared to Cr(C6H6)2 (208 g/mole) or Me3CpPtMe (319 g/mole), these findings may shed light on the adsorption

• 60° with the identical positioning. The background pressure was 4 × 10−7 mbar and rose to 5 × 10−7 mbar for Cr(C6H6)2 and 6 × 10−6 mbar for Me3CpPtMe during deposition at room temperature. To prevent any mechanical or beam drift, a waiting time of 10 min was introduced right before the start of the

Bioinspired nanofilament coatings for scale reduction on steel

• Siad Dahir Ali,
• Mette Heidemann Rasmussen,
• Jacopo Catalano,
• Christian Husum Frederiksen and
• Tobias Weidner

Beilstein J. Nanotechnol. 2025, 16, 25–34, doi:10.3762/bjnano.16.3

• desired pressure and temperature, the experiment ran for three hours. The experiment was ended by releasing the pressure. The vessel was then placed in an ice water bath to lower the temperature to room temperature. For the decompression/explosion test, the reaction chamber was cleaned by rinsing in

• to lower the temperature to room temperature. Scale experiments All samples were weighed and photographed prior to testing. The samples were then loaded onto the sample holder, and a solution of synthetic seawater and 3% oil was flushed through the sample holder to prime the samples for three minutes

• conducted for three hours at room temperature. After three hours, the suction line was switched to demineralized water and the samples were rinsed for three minutes to remove all loose particles. The sample holder with loaded samples was dried in an oven at 80 °C. The samples were weighed, and photos were

A nanocarrier containing carboxylic and histamine groups with dual action: acetylcholine hydrolysis and antidote atropine delivery

• Elina E. Mansurova,
• Andrey A. Maslennikov,
• Anna P. Lyubina,
• Alexandra D. Voloshina,
• Irek R. Nizameev,
• Marsil K. Kadirov,
• Anzhela A. Mikhailova,
• Polina V. Mikshina,
• Albina Y. Ziganshina and
• Igor S. Antipin

Beilstein J. Nanotechnol. 2025, 16, 11–24, doi:10.3762/bjnano.16.2

• reaction mixture was stirred at room temperature for 24 h. Following this, the precipitate was filtered and washed with a cold ethanol/water mixture (9/1), which was then dissolved in 15 mL of butanol. After adding 1.5 mL of concentrated hydrochloric acid and 5 mL of double-distilled water, the mixture was

• stirred at 90 °C for 4 h. The solution was then cooled to room temperature, and 30 mL of chloroform was added. After evaporating the solvent under reduced pressure, 30 mL of diethyl ether was introduced, and the mixture was sonicated for 30 min. The product was subsequently filtered and washed with

• , 10.74 g (77.6 mmol) of K2CO3 and 1.6 g (9.7 mmol) of KI were added. The mixture was stirred at room temperature, and a solution of ethyl bromoacetate (13 g, 77.8 mmol) in 100 mL of acetone was added dropwise. After addition, the mixture was stirred at 80 °C for 24 h, followed by the removal of the

Mechanistic insights into endosomal escape by sodium oleate-modified liposomes

• Ebrahim Sadaqa,
• Satrialdi,
• Fransiska Kurniawan and
• Diky Mudhakir

Beilstein J. Nanotechnol. 2024, 15, 1667–1685, doi:10.3762/bjnano.15.131

• solution (2:1 v/v), which was then systematically evaporated under nitrogen to form a thin lipid film. This film was rehydrated with HEPES buffer at pH 7.4, yielding multilamellar liposomes. Subsequent sonication in a bath sonicator for 5 min at room temperature facilitated the conversion to unilamellar

Attempts to preserve and visualize protein corona on the surface of biological nanoparticles in blood serum using photomodification

• Julia E. Poletaeva,
• Anastasiya V. Tupitsyna,
• Alina E. Grigor’eva,
• Ilya S. Dovydenko and
• Elena I. Ryabchikova

Beilstein J. Nanotechnol. 2024, 15, 1654–1666, doi:10.3762/bjnano.15.130

• remove protein aggregates (Figure 2a), as recommended earlier [36]: 10% FBS or NBS was sonicated for 4 min at 30 W, using a Sonorex Digitec DT-31 (Bandelin Electronic, Germany) and then centrifuged at 16000g for 4 min (Centrifuge 5415 R, Eppendorf, Germany, rotor F-45-24-11) at room temperature. The

Natural nanofibers embedded in the seed mucilage envelope: composite hydrogels with specific adhesive and frictional properties

• Agnieszka Kreitschitz and
• Stanislav N. Gorb

Beilstein J. Nanotechnol. 2024, 15, 1603–1618, doi:10.3762/bjnano.15.126

• dried at high temperatures requires, on average, only 33% of the force required to dislodge seeds dried in the refrigerator or at room temperature. It can be supposed that the high temperatures destroy the polysaccharide structure and other important chemical bonds responsible for the interaction

Facile synthesis of size-tunable L-carnosine-capped silver nanoparticles and their role in metal ion sensing and catalytic degradation of p-nitrophenol

• Akash Kumar,
• Ridhima Chadha,
• Abhishek Das,
• Nandita Maiti and
• Rayavarapu Raja Gopal

Beilstein J. Nanotechnol. 2024, 15, 1576–1592, doi:10.3762/bjnano.15.124

• -car-AgNP1 was synthesized at room temperature (RT = 25 °C), with the addition of 1 mL ʟ-carnosine (0.01 M) to 5 mL DD water followed by sequential additions of 100 μL NaOH (1 M), 1 mL AgNO3 (0.01 M), and 1 mL NaBH4 (0.001 M). The other samples, ʟ-car-AgNP2, ʟ-car-AgNP3, ʟ-car-AgNP4, and ʟ-car-AgNP5

• -chemical reduction approach. The precursor metal salt was reduced in the presence of the stabilizing or capping agent. Figure 1 shows a schematic representation of the ʟ-car-AgNP synthesis. The sample ʟ-car-AgNP1 was synthesized at room temperature by sequentially mixing water, NaOH, ʟ-carnosine, AgNO3

Green synthesis of silver nanoparticles derived from algae and their larvicidal properties to control Aedes aegypti

• Matheus Alves Siqueira de Assunção,
• Douglas Dourado,
• Daiane Rodrigues dos Santos,
• Gabriel Bezerra Faierstein,
• Mara Elga Medeiros Braga,
• Severino Alves Junior,
• Rosângela Maria Rodrigues Barbosa,
• Herminio José Cipriano de Sousa and
• Fábio Rocha Formiga

Beilstein J. Nanotechnol. 2024, 15, 1566–1575, doi:10.3762/bjnano.15.123

• /100 mL of purified water) by heating the mixture for 5 min and decanting for 1 h. After this process, the mixture was filtered and stored for 5 days at 15 °C. Finally, the filtered solution was treated with an aqueous solution of AgNO3 (1 mM) and incubated at room temperature. The chemical compounds

• ) under boiling for 5 min. The filtrate was treated with aqueous AgNO3 solution (1 mM; the ratio of aqueous solution to AgNO3 solution was not mentioned) and incubated at room temperature. Finally, a yellowish-brown solution was observed, indicating the formation of AgNPs. Chemical analysis of the AgNPs

• ethanol, concentrated in a rotary vacuum evaporator, and finally stored at refrigerator temperature. A hydroalcoholic extract was produced by adding 1 mL of S. natans extract to 99 mL of purified water and 0.5 mL of Triton®. This extract was treated with AgNO3 (100 mM; 99:1) and conditioned at room

Ultrablack color in velvet ant cuticle

• Vinicius Marques Lopez,
• Wencke Krings,
• Juliana Reis Machado,
• Stanislav Gorb and
• Rhainer Guillermo-Ferreira

Beilstein J. Nanotechnol. 2024, 15, 1554–1565, doi:10.3762/bjnano.15.122

• –2.00 hPa. For sample preparation, transversely sectioned T. bifurca specimens were fixed in Karnovsky fixative solution + 0.1% ruthenium red for 12 h. Following buffer washing, a post-fixative solution (osmium tetroxide + 0.1% ruthenium red) was applied at room temperature. After rinsing with alcohol

Electrochemical nanostructured CuBTC/FeBTC MOF composite sensor for enrofloxacin detection

• Thi Kim Ngan Nguyen,
• Tien Dat Doan,
• Huy Hieu Luu,
• Hoang Anh Nguyen,
• Thi Thu Ha Vu,
• Quang Hai Tran,
• Ha Tran Nguyen,
• Thanh Binh Dang,
• Thi Hai Yen Pham and
• Mai Ha Hoang

Beilstein J. Nanotechnol. 2024, 15, 1522–1535, doi:10.3762/bjnano.15.120

• room temperature (25 ± 1 °C). (a) XRD pattern and (b) N2 adsorption/desorption isotherms of the (Cu)(Fe)BTC sample. Full-scan (a) and high-resolution C 1s (b), O 1s (c), Fe 2p (d), and Cu 2p (e) XPS spectra of the (Cu)(Fe)BTC sample. TEM image of (Cu)(Fe)BTC sample. SEM images of (Cu)(Fe)BTC@CPE (a

Effect of radiation-induced vacancy saturation on the first-order phase transformation in nanoparticles: insights from a model

• Aram Shirinyan and
• Yuriy Bilogorodskyy

Beilstein J. Nanotechnol. 2024, 15, 1453–1472, doi:10.3762/bjnano.15.117

• based on the fact that the movement of dislocations is impeded by particle surfaces (grain boundaries) quite rapidly. For example, a transmission electron microscopy study (irradiation with Kr ions at 1 MeV at room temperature and an average defect generation rate of about 2 × 10−3 dpa·s−1) showed that

Ion-induced surface reactions and deposition from Pt(CO)₂Cl₂ and Pt(CO)₂Br₂

• Mohammed K. Abdel-Rahman,
• Patrick M. Eckhert,
• Atul Chaudhary,
• Johnathon M. Johnson,
• Jo-Chi Yu,
• Lisa McElwee-White and
• D. Howard Fairbrother

Beilstein J. Nanotechnol. 2024, 15, 1427–1439, doi:10.3762/bjnano.15.115

• where a substrate at room temperature is exposed to a constant flux of Pt(CO)2Cl2 molecules and Ar+ ions. Results The mass spectra in Figure 1 identify the volatile species produced from Ar+ ion irradiation of Pt(13CO)2Cl2. The UHV chamber background gases (H2, H2O, and 12CO/N2) and Ar (Ar2+, m/z 20; Ar

• of any chlorine although carbon and oxygen are observed. We ascribe the presence of carbon and oxygen to be in part due to the adsorption of background CO in the growth chamber onto the exposed Pt surface as it was warmed to room temperature. Light Ar+ sputtering significantly reduces the

• vessel was charged with PtBr2 (0.31 g, 0.88 mmol), a magnetic stir bar and dry DCE (30 mL). The glass pressure vessel was placed in a 300 mL Parr reactor for 2 h at room temperature under CO (150 psi). The temperature was then increased to 110 °C by a sand bath, and the reaction mixture was stirred for

Lithium niobate on insulator: an emerging nanophotonic crystal for optimized light control

• Midhun Murali,
• Amit Banerjee and
• Tanmoy Basu

Beilstein J. Nanotechnol. 2024, 15, 1415–1426, doi:10.3762/bjnano.15.114

• systems. The research output gives a wide tuning range of 10.7 nm with 19 consecutive channels obtained with a single tuning current at room temperature, expanding to 16 nm with the help of heat sink temperature [49]. Our focus material, LN, possessing a large electromechanical coupling coefficient (Kt

Nanotechnological approaches for efficient N2B delivery: from small-molecule drugs to biopharmaceuticals

• Selin Akpinar Adscheid,
• Akif E. Türeli,
• Nazende Günday-Türeli and
• Marc Schneider

Beilstein J. Nanotechnol. 2024, 15, 1400–1414, doi:10.3762/bjnano.15.113

• lipid NPs (SLNs) are prepared from lipids that are solid at room temperature, which are then stabilized by surfactants [100]. While both liposomes and SLNs are considered biocompatible and biodegradable, SLNs provide increased stability because of their rigid core [101]. Nevertheless, SLNs suffer from

Various CVD-grown ZnO nanostructures for nanodevices and interdisciplinary applications

• The-Long Phan,
• Le Viet Cuong,
• Vu Dinh Lam and
• Ngoc Toan Dang

Beilstein J. Nanotechnol. 2024, 15, 1390–1399, doi:10.3762/bjnano.15.112

• nanostructures [23][35][36]. Our current work uses this simple method to grow ZnO nanostructures. After fabrication, the crystal quality of nanostructures is assessed through Raman scattering (RS) and photoluminescent (PL) measurements at room temperature. Experimental As mentioned above, CVD was utilized to

A biomimetic approach towards a universal slippery liquid infused surface coating

• Ryan A. Faase,
• Madeleine H. Hummel,
• AnneMarie V. Hasbrook,
• Andrew P. Carpenter and
• Joe E. Baio

Beilstein J. Nanotechnol. 2024, 15, 1376–1389, doi:10.3762/bjnano.15.111

• sodium citrate Vacutainers. Acid-citrate-dextrose (ACD) was added to the whole blood at a 1:10 volume ratio. Blood was centrifuged at 200g for 20 min at room temperature. The supernatant platelet-rich plasma was transferred, and 0.1 μg/mL prostaglandin I2 was added to inhibit platelet activation

• . Platelet-rich plasma was centrifuged at 1000g for 10 min at room temperature. The supernatant platelet-poor plasma (PPP) was transferred and used for fibrin generation studies. The platelet pellet was resuspended in Tyrode’s buffer (129 mM NaCl, 20 mM HEPES, 12 mM NaHCO3, 2.9 mM KCl, 1 mM MgCl2, and 0.34

Green synthesis of carbon dot structures from Rheum Ribes and Schottky diode fabrication

• Muhammed Taha Durmus and
• Ebru Bozkurt

Beilstein J. Nanotechnol. 2024, 15, 1369–1375, doi:10.3762/bjnano.15.110

• dried to synthesize CDs. Acetone, methanol, silicon, gold powder, and aluminum were purchased from Sigma-Aldrich, Merck, and Alfa Aesar. All studies were carried out at room temperature. Instruments Various devices were used for the structural, morphological, and optical characterization of the CDs. FEI

• autoclave and hydrothermal synthesis was carried out at 125 °C for 12 h. After the reaction was completed, the aqueous suspension was brought to room temperature and filtered with ordinary filter paper. The filtrate was passed through a 0.22 µm membrane filter and centrifuged at 10000 rpm for 30 min. The

• and diluted with 5 mL of pure water; 100 μL of this solution was dripped onto the silicon substrate and evaporated at room temperature. In the last stage, the diode structure was obtained by evaporating gold onto the created CDs film using the shadow mask technique (Figure 1). The size of the diode

Out-of-plane polarization induces a picosecond photoresponse in rhombohedral stacked bilayer WSe₂

• Guixian Liu,
• Yufan Wang,
• Zhoujuan Xu,
• Zhouxiaosong Zeng,
• Lanyu Huang,
• Cuihuan Ge and
• Xiao Wang

Beilstein J. Nanotechnol. 2024, 15, 1362–1368, doi:10.3762/bjnano.15.109

• contrast, and characterized by photoluminescence (PL) measurements at room temperature (see Supporting Information File 1, Figure S3). The relative angles between crystalline axes of the top and bottom WSe2 layers were determined by polarization-resolved SHG measurements. The zigzag directions of the two

• ) at room temperature. The electrical properties of the devices were characterized using an Agilent B1500 semiconductor analyzer in a Lake Shore vacuum chamber (10−4 Pa). SPCM and TRPC measurement The photocurrent maps were all obtained under zero bias using a custom-built scanning photocurrent

Investigation of Hf/Ti bilayers for the development of transition-edge sensor microcalorimeters

• Victoria Y. Safonova,
• Anna V. Gordeeva,
• Anton V. Blagodatkin,
• Dmitry A. Pimanov,
• Anton A. Yablokov and
• Andrey L. Pankratov

Beilstein J. Nanotechnol. 2024, 15, 1353–1361, doi:10.3762/bjnano.15.108

• resistivity estimated considering the width of the electrodes ranged from 0.7 × 10−7 to 1.1 × 10−7 Ω·m for the four structures A1–A4 from Figure 1a. Bearing in mind that the residual resistance ratio of the studied samples is in the range from 1.9 to 2.5, the room temperature resistivity is close to the value

• of the bulk resistivity at room temperature of 3.3 × 10−7 Ω·m [11]. The variation of calculated resistivity between bridges of different sizes is likely not due to physically different film properties, but rather due to rough estimations not taking into account the edge effects for the current flow

Nanoarchitectonics with cetrimonium bromide on metal nanoparticles for linker-free detection of toxic metal ions and catalytic degradation of 4-nitrophenol

• Akash Kumar and
• Raja Gopal Rayavarapu

Beilstein J. Nanotechnol. 2024, 15, 1312–1332, doi:10.3762/bjnano.15.106

• , respectively, to remove impurities. The supernatants were discarded and the pellets were dispersed in DD water and stored at room temperature. Tunable aspect ratio of gold nanorods capped with CTAB Gold nanorods of different lengths were synthesized using a two-step protocol as described in previous reports

• -AP) in the presence of NaBH4. All reactions were carried out at room temperature in a 3.5 mL quartz cuvette. The reagent for catalysis was added in a sequence of 2 mL of 4-nitrophenol (0.1 mM), 1 mL of NaBH4 (100 mM), and 50 µL (0.5 ± 0.1 OD and 1.0 ± 0.1 OD) of CTAB-AgNS, CTAB-AuNS, CTAB-AuNR1, and

Interaction of graphene oxide with tannic acid: computational modeling and toxicity mitigation in C. elegans

• Romana Petry,
• James M. de Almeida,
• Francine Côa,
• Felipe Crasto de Lima,
• Diego Stéfani T. Martinez and
• Adalberto Fazzio

Beilstein J. Nanotechnol. 2024, 15, 1297–1311, doi:10.3762/bjnano.15.105

• (370 mL). The mixture is stirred for 20 min, then KMnO4 (22.5 mg) is added gradually over 1 h. The reaction is kept under stirring for 72 h at room temperature, and then it is diluted with 300 mL of deionized water and kept for another hour at 95 °C. The temperature is then reduced to 60 °C, and H2O2

• mg·L−1 TA. Then, to avoid salt interference, the suspension was washed three times with deionized water and dripped on mica substrate. The incubation procedure was repeated for spectroscopy analysis. For Raman and FTIR analysis, the suspensions were dried using the speed-vacuum method at room

• temperature; for XPS, the suspensions were dripped on a silicon substrate. Computational methods MD simulations of interactions between TA and the GO surface were performed in LAMMPS, applying ReaxFF reactive force field [72]. MD simulations were conducted under constant pressure (P) and temperature (T), the

Mn-doped ZnO nanopowders prepared by sol–gel and microwave-assisted sol–gel methods and their photocatalytic properties

• Cristina Maria Vlăduț,
• Crina Anastasescu,
• Silviu Preda,
• Oana Catalina Mocioiu,
• Simona Petrescu,
• Jeanina Pandele-Cusu,
• Dana Culita,
• Veronica Bratan,
• Ioan Balint and
• Maria Zaharescu

Beilstein J. Nanotechnol. 2024, 15, 1283–1296, doi:10.3762/bjnano.15.104

• semiconductor with many versatile and attractive applications in optical, optoelectronic, and photocatalytic fields [35][36][37]. The doping of ZnO with Mn can lead to the development of multifunctional nanostructures, such as room-temperature ferromagnetic materials with potential applications in spintronics

• for 10 min at 60 °C, 200 W power and a frequency of 2.45 GHz. Gelation took place at room temperature. All resulting gels were dried at 100 °C for 24 h and then thermally treated at 350 °C for 1 h with a heating speed of 1 °C/min followed by a treatment at 500 °C for 1 h with a heating speed of 5 °C

• resolution of 0.5 nm, and 10 nm slits in excitation and emission. All measurements were performed for 0.001 g catalyst suspended after ultrasonication in ultrapure water at room temperature (25 °C) and λexc = 270 nm. For ROS identification, ·OH radicals trapping was performed with 10 mM coumarin solution