Assessment of the optical and electrical properties of light-emitting diodes containing carbon-based nanostructures and plasmonic nanoparticles: a review

• Keshav Nagpal,
• Erwan Rauwel,
• Frédérique Ducroquet and
• Protima Rauwel

Beilstein J. Nanotechnol. 2021, 12, 1078–1092, doi:10.3762/bjnano.12.80

• light-emitting diodes (OLED) possess several interesting properties and are therefore gaining popularity [14]. Their low-cost and facile fabrication routes, wider viewer angle, higher resolution, lower-power consumption, lightweight, higher contrast, and faster switching characteristics give them

• leverage over inorganic LED in display applications. Organic light-emitting diodes (OLED) consist of photoactive polymers, such as PPV and MEH-PPV that can be deposited as highly ordered crystalline thin films [15][16]. Despite several advantages, OLED have certain drawbacks, such as lower lifetime, high

• cost, early degradation, and a low overall performance including poor external quantum efficiencies (EQE) as compared to inorganic LED. A combination of LED and OLED or hybrid LED (HyLED) overcame some of these drawbacks. Nevertheless, HyLED presently may not be the most popular LED for the display

A review on the green and sustainable synthesis of silver nanoparticles and one-dimensional silver nanostructures

• Sina Kaabipour and
• Shohreh Hemmati

Beilstein J. Nanotechnol. 2021, 12, 102–136, doi:10.3762/bjnano.12.9

• devices [94], organic light emitting diodes (OLED) [95], transparent conductive electrodes [96][97], artificial skin [98], liquid crystal display (LCD) [99][100], and smart windows [101][102]. AgNWs can be embedded in flexible touch-screen substrates and electronic displays to provide an enhanced decrease

Parylene C as a versatile dielectric material for organic field-effect transistors

• Tomasz Marszalek,
• Maciej Gazicki-Lipman and
• Jacek Ulanski

Beilstein J. Nanotechnol. 2017, 8, 1532–1545, doi:10.3762/bjnano.8.155

• organic light-emitting diode (OLED) (10−6 g/m2 per day) [23]. Nevertheless, some of the organic semiconductors (mostly electron-transporting materials) require an encapsulation layer, in order to observe charge transport in the transistor architecture [24]. According to our knowledge, there is a limited

Rigid multipodal platforms for metal surfaces

• Michal Valášek,
• Marcin Lindner and
• Marcel Mayor

Beilstein J. Nanotechnol. 2016, 7, 374–405, doi:10.3762/bjnano.7.34

• significantly reduced operating voltage of the corresponding OLED, resulting in high quantum efficiency, better stability, higher maximum brightness, offering reduced resistance, and permitting higher current densities for a given bias voltage. Aso and co-workers have also synthetized selenium-terminated

Charge injection and transport properties of an organic light-emitting diode

• Peter Juhasz,
• Juraj Nevrela,
• Michal Micjan,
• Miroslav Novota,
• Jan Uhrik,
• Lubica Stuchlikova,
• Jan Jakabovic,
• Ladislav Harmatha and
• Martin Weis

Beilstein J. Nanotechnol. 2016, 7, 47–52, doi:10.3762/bjnano.7.5

• Peter Juhasz Juraj Nevrela Michal Micjan Miroslav Novota Jan Uhrik Lubica Stuchlikova Jan Jakabovic Ladislav Harmatha Martin Weis Slovak University of Technology, Ilkovicova 3, Bratislava 81219, Slovakia 10.3762/bjnano.7.5 Abstract The charge behavior of organic light emitting diode (OLED) is

• charge injection and transport. We concluded that charge is injected into the OLED device mostly through the interfacial states at low voltage region, whereas the thermionic injection dominates in the high voltage region. This comparison of experimental techniques demonstrates their capabilities of

• devices (OLEDs) have drawn huge attention in electronics [1]. OLED devices are envisioned as future light sources because of possible flexibility, transparency, and low-cost large-area production; however, OLEDs have recent reached luminous efficacy over 130 lm/W [2][3] that is double of fluorescent tube

Spectroscopic mapping and selective electronic tuning of molecular orbitals in phosphorescent organometallic complexes – a new strategy for OLED materials

• Pascal R. Ewen,
• Jan Sanning,
• Tobias Koch,
• Nikos L. Doltsinis,
• Cristian A. Strassert and
• Daniel Wegner

Beilstein J. Nanotechnol. 2014, 5, 2248–2258, doi:10.3762/bjnano.5.234

• -defined positions can alter specific molecular orbitals without influencing the others. The results open a path toward the tailored design of electronic and optical properties of triplet emitters by smart ligand substitution, which may improve the performance of future OLED devices. Keywords: charge

• transfer; density-functional theory; frontier orbitals; hybridization; OLED; Pt(II) complex; scanning tunneling microscopy; scanning tunneling spectroscopy; triplet emitters; Introduction Organic light emitting diodes (OLEDs) based on phosphorescent Ir(III) or Pt(II) complexes (also referred to as triplet

• moiety has an impact on the MO. Our finding is rather exciting as it may open the possibility to independently tune the HOMO and the LUMO levels by substitution of R1 and R2, respectively. This may have powerful consequences for OLED materials design because it should be feasible to set and tune the

Hybrid spin-crossover nanostructures

• Carlos M. Quintero,
• Gautier Félix,
• Iurii Suleimanov,
• José Sánchez Costa,
• Gábor Molnár,
• Lionel Salmon,
• William Nicolazzi and
• Azzedine Bousseksou

Beilstein J. Nanotechnol. 2014, 5, 2230–2239, doi:10.3762/bjnano.5.232

• on hybrid SCO nanostructures Luminescent devices Matsuda et al. proposed a synthesis strategy that exploits the synergy between the charge carrier orbitals of a SCO complex and a light emitting material. They developed a concept for an organic light emitting diode (OLED) that consists of a 50 nm

• electroluminescence (EL) of the device can be reproducibly switched on/off as a function of temperature due to the thermal spin state switching. Indeed, the light emission of this type of OLED is severely quenched if the [Fe(dpp)2](BF)4 is in its LS form (T < 260 K). After a photoluminescence study of identical films

• [27], copyright 2011 American Chemical Society. a) Architecture of the OLED device constructed by Matsuda et al. [28]. b) A schematic representation of the mechanism proposed for the EL, on/off switching, based on an energy level diagram of a device using Chl a and [Fe(dpp)2](BF)4. c) Energy level

Polymer blend lithography: A versatile method to fabricate nanopatterned self-assembled monolayers

• Cheng Huang,
• Markus Moosmann,
• Jiehong Jin,
• Tobias Heiler,
• Stefan Walheim and
• Thomas Schimmel

Beilstein J. Nanotechnol. 2012, 3, 620–628, doi:10.3762/bjnano.3.71

• diodes (OLED) [42][43][44] and more. Polymer phase separation in thin films can be obtained by methods such as spin coating [31] and Langmuir–Schaefer deposition [45]. In the case of the spin-coating technique it is possible to guide the morphogenesis by employing a prepatterned solid template in order

Organic–inorganic nanosystems

• Paul Ziemann

Beilstein J. Nanotechnol. 2011, 2, 363–364, doi:10.3762/bjnano.2.41

• , doped π-conjugated oligomers and polymers play an important role due to their semiconducting behavior. As in standard electronics, the combination of p- and n-doped organic components leads to device applications such as organic light emitting diodes (OLED), organic field effect transistors (OFET) and