Optical and structural characterization of oleic acid-stabilized CdTe nanocrystals for solution thin film processing

• Claudio Davet Gutiérrez-Lazos,
• Mauricio Ortega-López,
• Manuel A. Pérez-Guzmán,
• A. Mauricio Espinoza-Rivas,
• Francisco Solís-Pomar,
• Rebeca Ortega-Amaya,
• L. Gerardo Silva-Vidaurri,
• Virginia C. Castro-Peña and
• Eduardo Pérez-Tijerina

Beilstein J. Nanotechnol. 2014, 5, 881–886, doi:10.3762/bjnano.5.100

• for TO modes of octahedral Cd3P2. Keywords: cadmium telluride; Raman spectroscopy; semiconductor nanocrystals; transmission electron microscopy; X-ray diffraction; Introduction Currently colloidal chemistry is a promising technique in materials science research due to its simplicity, low cost, and

• such as multiple exciton generation [16]. In the last years, nanostructured semiconductors have proved to be useful as raw material for solution-processable electronic technologies. The capping of semiconductor nanocrystals by organic ligands, provides the control of composition, size, shape and

Photoactivation of luminescence in CdS nanocrystals

• Valentyn Smyntyna,
• Bogdan Semenenko,
• Valentyna Skobeeva and
• Nikolay Malushin

Beilstein J. Nanotechnol. 2014, 5, 355–359, doi:10.3762/bjnano.5.40

• the surface of NC. The observed effect is explained by the recombination mechanism that is responsible for the short-wavelength emission band. Keywords: cadmium sulfide (CdS); luminescence; nanoparticles; short-wavelength emission band; surface modification; Introduction Semiconductor nanocrystals

Distance dependence of near-field fluorescence enhancement and quenching of single quantum dots

• Volker Walhorn,
• Jan Paskarbeit,
• Heinrich Gotthard Frey,
• Alexander Harder and
• Dario Anselmetti

Beilstein J. Nanotechnol. 2011, 2, 645–652, doi:10.3762/bjnano.2.68

• properties of semiconductor nanocrystals (quantum dots) can be easily tuned and they exhibit excellent resistance against photobleaching. Moreover, quantum dots that are functionalized for biological applications are readily available. Locally confined dipole–dipole couplings, such as quenching and

Room temperature excitation spectroscopy of single quantum dots

• Christian Blum,
• Frank Schleifenbaum,
• Martijn Stopel,
• Sébastien Peter,
• Marcus Sackrow,
• Vinod Subramaniam and
• Alfred J. Meixner

Beilstein J. Nanotechnol. 2011, 2, 516–524, doi:10.3762/bjnano.2.56

• molecule detection sensitivity to demonstrate excitation spectra of isolated semiconductor nanocrystals. These fluorophores, often referred to as quantum dots, have unique optical properties [30][31][32][33][34][35], including a narrow and tailored luminescence emission spectrum and significantly enhanced