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Search for "LED light" in Full Text gives 15 result(s) in Beilstein Journal of Nanotechnology.

Nanomaterials for photocatalysis and applications in environmental remediation and renewable energy

  • Viet Van Pham and
  • Wee-Jun Ong

Beilstein J. Nanotechnol. 2023, 14, 722–724, doi:10.3762/bjnano.14.58

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  • development of advanced materials based on semiconductors (i.e., carbon-modified hexagonal boron nitride (MBN), MgO@g-C3N4, and TiO2@MWCNTs) have indicated a highly efficient photocatalytic performance for phenol removal using a low-power visible LED light source. For NO degradation, a visible light source
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Published 13 Jun 2023

LED-light-activated photocatalytic performance of metal-free carbon-modified hexagonal boron nitride towards degradation of methylene blue and phenol

  • Nirmalendu S. Mishra and
  • Pichiah Saravanan

Beilstein J. Nanotechnol. 2022, 13, 1380–1392, doi:10.3762/bjnano.13.114

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  • absorb LED light irradiation with a light harvesting efficiency of ≈90% and a direct bandgap of 2 eV. The introduction of carbon into the HBN lattice led to a significant change in the electronic environment through the formation of C–B and C–N bonds which resulted in improved visible light activity
  • shows zero activity in the visible region. Keywords: carbon modification; hexagonal boron nitride (HBN); LED light; phenol; photocatalysis; Introduction Hexagonal boron nitride (HBN) commonly known as white graphene belongs to a class of two-dimensional layered crystalline materials. It comprises
  • specified subject. The present study discusses LED light-responsive modified boron nitride (MBN) towards its photocatalytic application. The HBN was modified by introducing carbon through the solid-state reaction method. Such introduction of carbon into the HBN lattice transformed it into a good light
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Published 22 Nov 2022

Use of nanosystems to improve the anticancer effects of curcumin

  • Andrea M. Araya-Sibaja,
  • Norma J. Salazar-López,
  • Krissia Wilhelm Romero,
  • José R. Vega-Baudrit,
  • J. Abraham Domínguez-Avila,
  • Carlos A. Velázquez Contreras,
  • Ramón E. Robles-Zepeda,
  • Mirtha Navarro-Hoyos and
  • Gustavo A. González-Aguilar

Beilstein J. Nanotechnol. 2021, 12, 1047–1062, doi:10.3762/bjnano.12.78

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  • inhibiting nitric oxide in cancer cells [14]. Dev et al. [142] reported that CUR-loaded BSA nanoparticles (6 µM) exposed to blue LED light inhibited the growth of glioblastoma stem cells better than F-CUR, which was attributed to an improved sustained intracellular release of CUR. Curcumin-loaded PLGA [poly
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Published 15 Sep 2021

Walking energy harvesting and self-powered tracking system based on triboelectric nanogenerators

  • Mingliang Yao,
  • Guangzhong Xie,
  • Qichen Gong and
  • Yuanjie Su

Beilstein J. Nanotechnol. 2020, 11, 1590–1595, doi:10.3762/bjnano.11.141

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  • the stepped floorboard and it emitted a visible light sign that indicated the instantaneous location of the pedestrian. It is important to mention that the LED light emission was powered by the triboelectric generator driven by the walking movements without any electric power source. Figure 5c and
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Published 20 Oct 2020

A few-layer graphene/chlorin e6 hybrid nanomaterial and its application in photodynamic therapy against Candida albicans

  • Selene Acosta,
  • Carlos Moreno-Aguilar,
  • Dania Hernández-Sánchez,
  • Beatriz Morales-Cruzado,
  • Erick Sarmiento-Gomez,
  • Carla Bittencourt,
  • Luis Octavio Sánchez-Vargas and
  • Mildred Quintana

Beilstein J. Nanotechnol. 2020, 11, 1054–1061, doi:10.3762/bjnano.11.90

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  • nanomaterial can be activated by a synergistic mechanism of energy transfer of the absorbed light from Ce6 to FLG. The novel FLG-Ce6 hybrid nanomaterial in combination with the red LED light irradiation can be used in the development of a wide range of antinosocomial devices and coatings. Keywords: chlorin e6
  • Ce6 through the donation of electrons that delay its photobleaching. In this way the production of reactive oxygen species is optimized and a better effect against C. albicans is achieved with a low concentration of photosensitizer and a short exposure time to the red LED light source. Results and
  • : five were placed around a cylindrical container and one at the bottom of the container as shown in Figure 4c. The device is powered by a voltage source of 2.3 V and the emission spectrum of the LED light is centered at 632 nm with a full width at half maximum (FWHM) of 16 nm. The power measured just at
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Published 17 Jul 2020

Gold and silver dichroic nanocomposite in the quest for 3D printing the Lycurgus cup

  • Lars Kool,
  • Floris Dekker,
  • Anton Bunschoten,
  • Glen J. Smales,
  • Brian R. Pauw,
  • Aldrik H. Velders and
  • Vittorio Saggiomo

Beilstein J. Nanotechnol. 2020, 11, 16–23, doi:10.3762/bjnano.11.2

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  • fiber optic as detector. Spectra were normalized against the maximum intensity. The flashlight LED used was the LED light of an iPhone SE, and the CRI 95 LED was an Aputure AL-M9. The pictures were recorded using a Panasonic Lumix DMC-GF2. Synthesis of dichroic AgNP Silver nitrate (190 mg, 1.1 mmol) of
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Published 02 Jan 2020

Optimization and performance of nitrogen-doped carbon dots as a color conversion layer for white-LED applications

  • Tugrul Guner,
  • Hurriyet Yuce,
  • Didem Tascioglu,
  • Eren Simsek,
  • Umut Savaci,
  • Aziz Genc,
  • Servet Turan and
  • Mustafa M. Demir

Beilstein J. Nanotechnol. 2019, 10, 2004–2013, doi:10.3762/bjnano.10.197

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  • around 506 nm, from the emission of the N-CDots. As the N-CDot concentration increases, both the PL intensities of the blue LED light and the N-CDots decrease. However, comparing their relative intensity, the ratio of the blue and green emission peaks changes upon increasing the amount of the N-CDots. At
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Published 15 Oct 2019

Towards rare-earth-free white light-emitting diode devices based on the combination of dicyanomethylene and pyranine as organic dyes supported on zinc single-layered hydroxide

  • Jeff L. Nyalosaso,
  • Rachod Boonsin,
  • Pierre Vialat,
  • Damien Boyer,
  • Geneviève Chadeyron,
  • Rachid Mahiou and
  • Fabrice Leroux

Beilstein J. Nanotechnol. 2019, 10, 760–770, doi:10.3762/bjnano.10.75

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  • before the measurement. Dye molecules used for the preparation of the organic phosphor film. (a) Normalized emission spectra of blue LED light and selected dyes in ethanol solution: DCM and HPTS and (b) their predicted combined spectrum. (a) SEM image, (b) XRD pattern and (c) TGA/DTA of zinc
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Published 25 Mar 2019

Temperature-dependent Raman spectroscopy and sensor applications of PtSe2 nanosheets synthesized by wet chemistry

  • Mahendra S. Pawar and
  • Dattatray J. Late

Beilstein J. Nanotechnol. 2019, 10, 467–474, doi:10.3762/bjnano.10.46

Graphical Abstract
  • function of temperature. PtSe2 nanosheet based humidity sensor: (a) Typical resistance versus relative humidity plot and (b) current–time (I–t) plot taken after switching 11% RH and 97% RH. The photodetector application of PtSe2 nanosheets: (c) I–V in dark conditions and with green LED light and (d
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Published 13 Feb 2019

Direct AFM-based nanoscale mapping and tomography of open-circuit voltages for photovoltaics

  • Katherine Atamanuk,
  • Justin Luria and
  • Bryan D. Huey

Beilstein J. Nanotechnol. 2018, 9, 1802–1808, doi:10.3762/bjnano.9.171

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  • (Asylum Research MFP-3D-IO) is custom-mounted on an optical microscope (Nikon TE-2000) that has a broad-spectrum LED light source (Cree MK-R 12). The LED illuminates an area of ca. 1·104 µm2, including the sample/tip junction, from below through a 40× objective to provide an intensity of ca. 1 equivalent
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Published 14 Jun 2018

Cr(VI) remediation from aqueous environment through modified-TiO2-mediated photocatalytic reduction

  • Rashmi Acharya,
  • Brundabana Naik and
  • Kulamani Parida

Beilstein J. Nanotechnol. 2018, 9, 1448–1470, doi:10.3762/bjnano.9.137

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  • photoreduction of Cr(VI) [199]. Liu et al. reported that CdS sensitization can enhance the photocatalytic performance of TiO2 films with a maximum reduction rate of 93% for 240 min under white LED light irradiation as compared to that of pure TiO2 film (31%). This was attributed to an increase in light
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Published 16 May 2018

Two-dimensional carbon-based nanocomposites for photocatalytic energy generation and environmental remediation applications

  • Suneel Kumar,
  • Ashish Kumar,
  • Ashish Bahuguna,
  • Vipul Sharma and
  • Venkata Krishnan

Beilstein J. Nanotechnol. 2017, 8, 1571–1600, doi:10.3762/bjnano.8.159

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Published 03 Aug 2017

Synthesis and applications of carbon nanomaterials for energy generation and storage

  • Marco Notarianni,
  • Jinzhang Liu,
  • Kristy Vernon and
  • Nunzio Motta

Beilstein J. Nanotechnol. 2016, 7, 149–196, doi:10.3762/bjnano.7.17

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Published 01 Feb 2016

Visible light photooxidative performance of a high-nuclearity molecular bismuth vanadium oxide cluster

  • Johannes Tucher and
  • Carsten Streb

Beilstein J. Nanotechnol. 2014, 5, 711–716, doi:10.3762/bjnano.5.83

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  • photooxidation of the dye patent blue V as a test reaction showed high activity (quantum efficiency Φ > 7%, TOF ca. 5 min−1) and high stability under turnover conditions (TON > 1200) under irradiation with monochromatic visible light (LED light source, λ = 470 nm) [29]. In the present study, we are focusing on
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Published 26 May 2014

Nanolesions induced by heavy ions in human tissues: Experimental and theoretical studies

  • Marcus Bleicher,
  • Lucas Burigo,
  • Marco Durante,
  • Maren Herrlitz,
  • Michael Krämer,
  • Igor Mishustin,
  • Iris Müller,
  • Francesco Natale,
  • Igor Pshenichnov,
  • Stefan Schramm,
  • Gisela Taucher-Scholz and
  • Cathrin Wälzlein

Beilstein J. Nanotechnol. 2012, 3, 556–563, doi:10.3762/bjnano.3.64

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  • laboratories are described elsewhere [8][12]. We have recently installed a 405 nm laser for photoactivation studies [19]. The experimental setup is based on a Leica IRE2 inverted microscope equipped with LED light sources and a climate chamber for controlling of the temperature, humidity and CO2 concentration
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Published 25 Jul 2012
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