Online citations, reference lists, and bibliographies.
← Back to Search

Tuning Energetic Levels In Nanocrystal Quantum Dots Through Surface Manipulations.

Michal Soreni-Harari, Nir Yaacobi-Gross, D. Steiner, A. Aharoni, U. Banin, O. Millo, N. Tessler
Published 2008 · Chemistry, Medicine

Cite This
Download PDF
Analyze on Scholarcy
Share
We demonstrate tuning of the electronic level positions with respect to the vacuum level in colloidal InAs nanocrystals using surface ligand exchange. Electrochemical as well as scanning tunneling spectroscopy measurements reveal that the tuning is largely dependent on the nanocrystal size and the surface linking group, while the polarity of the ligand molecules has a lesser effect. The implications of affecting the electronic system of nanocrystal through its capping are illustrated through prototype devices.



This paper is referenced by
10.1021/nn800871j
Absence of photoinduced charge transfer in blends of PbSe quantum dots and conjugated polymers.
Kevin M. Noone (2009)
10.1002/smll.200901327
Transport gap of nanoparticle-passivated silicon substrates.
B. Ghosh (2010)
Device applications of band-structure-engineered nanomaterials current status and future trend - review
S. Ahmad (2015)
10.1021/ACS.JPCC.5B00341
Improving Performance in Colloidal Quantum Dot Solar Cells by Tuning Band Alignment through Surface Dipole Moments
P. K. Santra (2015)
10.1021/acsnano.5b01720
Band Edge Energetics of Heterostructured Nanorods: Photoemission Spectroscopy and Waveguide Spectroelectrochemistry of Au-Tipped CdSe Nanorod Monolayers.
Ramanan Ehamparam (2015)
10.1021/JP306702T
Determination of the Electronic Energetics of CdTe Nanoparticle Assemblies on Au Electrodes by Photoemission, Electrochemical, and Photocurrent Studies
Y. Wang (2012)
10.1038/nmat3984
Improved performance and stability in quantum dot solar cells through band alignment engineering
C. Chuang (2014)
10.1021/ja902770k
Energy level alignment in CdS quantum dot sensitized solar cells using molecular dipoles.
Menny Shalom (2009)
10.1038/s41467-018-06399-4
Energy level tuned indium arsenide colloidal quantum dot films for efficient photovoltaics
Jung Hoon Song (2018)
10.1002/IJCH.201900034
Inorganic Quantum Dot Materials and their Applications in “Organic” Hybrid Solar Cells
Benxuan Li (2019)
10.1039/C7MH00068E
Solution-processed 2-dimensional hole-doped ionic graphene compounds
Fong-Yu Kam (2017)
10.1007/s10854-019-01266-4
Role of surface ligands on CdSe/CdS QDs in affecting the charge separation and photocatalytic behavior in reducing the graphene oxide
X. Xue (2019)
10.1021/acs.chemrev.8b00392
Electro- and Solar-Driven Fuel Synthesis with First Row Transition Metal Complexes
Kristian E. Dalle (2019)
10.1021/cr900137k
Prospects of colloidal nanocrystals for electronic and optoelectronic applications.
D. Talapin (2010)
10.1007/978-3-319-10855-1_10
Colloidal Inorganic–Organic Hybrid Solar Cells
D. Balazs (2014)
CHARACTERIZATION OF CHARGE INJECTION PROCESSES OF THIN FILMS ON INDIUM TIN OXIDE ELECTRODES USING A NOVEL SPECTROELECTROCHEMICAL TECHNIQUE: POTENTIAL-MODULATED ATTENUATED TOTAL REFLECTANCE SPECTROSCOPY
Zeynep Ozkan Araci (2010)
10.1109/NANO.2010.5697751
Band-level control for high-performance colloidal quantum-dot LED
K. Cho (2010)
Potential-Modulated Attenuated Total Reflectance Spectroscopy on Adsorbed Films on Indium Tin Oxide
Z. Ozkan (2007)
Exploring the versatility of lead sulfide quantum dots in low-temperature, solution-processed solar cells
W. Hess (2017)
10.1116/1.4705402
Colloidal nanocrystal quantum dot assemblies as artificial solids
T. Hanrath (2012)
10.1007/S10812-012-9569-3
Quenching of photoluminescence in cadmium selenide nanocrystals in external electric fields for different excitation photon energies
L. Gurinovich (2012)
10.1002/adma.201202397
Triplet exciton dissociation in singlet exciton fission photovoltaics.
Priya J. Jadhav (2012)
10.1002/ADFM.200902149
Interface Modifications of InAs Quantum‐Dots Solids and their Effects on FET Performance
Michal Soreni-Harari (2010)
10.1038/nnano.2008.206
Nanoparticle-assisted high photoconductive gain in composites of polymer and fullerene.
H. Chen (2008)
10.1039/c0cp00724b
Interfacial charge transfer dynamics in CdSe/dipole molecules coated quantum dot polymer blends.
J. Albero (2010)
10.1039/C5TC03945B
Eliminating Fermi-level pinning in PbS quantum dots using an alumina interfacial layer
B. Bloom (2016)
10.1021/acsami.7b16882
Colloidal Quantum Dot Inks for Single-Step-Fabricated Field-Effect Transistors: The Importance of Postdeposition Ligand Removal
Daniel M. Balazs (2018)
10.1021/JP403164W
Ligand-Induced Changes in the Characteristic Size-Dependent Electronic Energies of CdSe Nanocrystals
B. Bloom (2013)
10.1039/c4cp01507j
Probing surface states in PbS nanocrystal films using pentacene field effect transistors: controlling carrier concentration and charge transport in pentacene.
B. Park (2014)
10.1039/C4TC01863J
Novel dithiols as capping ligands for CdSe quantum dots: optical properties and solar cell applications
A. P. Kumar (2015)
10.1038/nmat3133
Molecular control of quantum-dot internal electric field and its application to CdSe-based solar cells.
Nir Yaacobi-Gross (2011)
10.1021/nn500897c
Energy level modification in lead sulfide quantum dot thin films through ligand exchange.
P. Brown (2014)
See more
Semantic Scholar Logo Some data provided by SemanticScholar