Zobrazeno 1 - 10
of 255
pro vyhledávání: '"Moonsub Shim"'
Publikováno v:
Nano Letters. 22:9500-9506
Despite recent rapid advances in improving quantum dot light-emitting diodes, many fundamental aspects of the device operating mechanism remain unresolved. Through transient electroluminescence and time-resolved photoluminescence measurements, the ef
Publikováno v:
Chemical Reviews. 123:3761-3789
Anisotropic heterostructures of colloidal nanocrystals embed size-, shape-, and composition-dependent electronic structure within variable three-dimensional morphology, enabling intricate design of solution-processable materials with high performance
Autor:
Christoph Baeumer, Christoph Schmitz, Astrid Marchewka, David N. Mueller, Richard Valenta, Johanna Hackl, Nicolas Raab, Steven P. Rogers, M. Imtiaz Khan, Slavomir Nemsak, Moonsub Shim, Stephan Menzel, Claus Michael Schneider, Rainer Waser, Regina Dittmann
Publikováno v:
Nature Communications, Vol 7, Iss 1, Pp 1-7 (2016)
Resistive switching in metal oxides is related to the migration of donor defects. Here Baeumer et al. use in operandoX-ray spectromicroscopy to quantify the doping locally and show that small local variations in the donor concentration result in larg
Externí odkaz:
https://doaj.org/article/bf6c3f4cacb943e7929d9dfd86966d52
Publikováno v:
Nanoscale. 13:17028-17039
Colloidal semiconductor nanocrystals with tunable optical and electronic properties are opening up exciting opportunities for high-performance optoelectronics, photovoltaics, and bioimaging applications. Identifying the optimal synthesis conditions a
Autor:
Logan P. Keating, Moonsub Shim
Publikováno v:
Nanoscale Advances. 3:5322-5331
Cu2−xS nanocrystals can serve as templates and intermediates in the synthesis of a wide range of nanocrystals through seeded growth, cation exchange, and/or catalytic growth. This versatility can facilitate and accelerate the search for environment
Autor:
Ajit Vikram, Saket S. Bhargava, Ankur Khare, Hyukjin Jang, Peter Trefonas, Arwa Zahid, Paul J. A. Kenis, Moonsub Shim, Andre Sutrisno
Publikováno v:
ACS Applied Nano Materials. 3:12325-12333
Indium phosphide core/shell nanocrystals hold promise to replace heavy-metal-based emissive materials for bioimaging and optoelectronic applications. Uniformity of the shell passivation and the int...
Autor:
Saket S. Bhargava, Andre Sutrisno, Ajit Vikram, Peter Trefonas, Moonsub Shim, Arwa Zahid, Logan P. Keating, Paul J. A. Kenis, Ankur Khare
Publikováno v:
Chemistry of Materials. 32:3577-3584
Indium phosphide (InP) nanocrystals have emerged as a viable alternative to heavy metal-based colloidal quantum dots for optoelectronic applications. Traditionally, the presence of trace amounts of...
Publikováno v:
Energy & Environmental Science. 13:404-431
Over the past decade, colloidal quantum dot solar cells (CQD-SCs) have been developed rapidly, with their performances reaching over 16% power conversion efficiency. Accompanied by the development in materials engineering (CQD surface chemistry) and
Publikováno v:
Chemistry of Materials. 31:9307-9316
Composition variation and formation of core/shell heterostructures have allowed the extension and applicability of size-tunable optical properties of colloidal semiconductor nanocrystals. Anisotrop...
Autor:
Ki Ju Kim, Yiran Jiang, Hwang Sik Yun, Moonsub Shim, Tae Hyeon Lim, Pilwoo Lee, Tae-Sik Yoon, Yeongho Choi, Young Gwang Kim, Hyun Ho Lee, Keonwon Beom, Ki-Bum Kim, Minsu Kim, Bong Hoon Kim, Jaehoon Lim, Seong-Yong Cho, Minju Kim, Sang-Hyun Lee, Chansun Shin, Kyeongchan Noh, Nuri Oh
Publikováno v:
Current Applied Physics. 19:998-1005
The aging of ZnO nanoparticles in quantum dot light-emitting diode (QD-LED) structures was studied. Coarsening of as-synthesized ZnO nanoparticles is observed in both solution and thin film structures, which potentially deteriorates the performance o