東華大學圖書館 |

語系: 繁體中文

說明(常見問題)

回圖書館首頁

手機版館藏查詢

登入

回首頁

切換: 標籤 | MARC模式 | ISBD

Energy transfer from colloidal nanoc...

Nguyen, Hue Minh.

FindBook

Google Book

Amazon

博客來

Energy transfer from colloidal nanocrystals into silicon substrates: Toward its application in solar cells.

紀錄類型:	書目-語言資料,印刷品 : Monograph/item
正題名/作者:	Energy transfer from colloidal nanocrystals into silicon substrates: Toward its application in solar cells./
作者:	Nguyen, Hue Minh.
面頁冊數:	112 p.
附註:	Source: Dissertation Abstracts International, Volume: 74-12(E), Section: B.
Contained By:	Dissertation Abstracts International74-12B(E).
標題:	Physics, General. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3592204
ISBN:	9781303331848

Energy transfer from colloidal nanocrystals into silicon substrates: Toward its application in solar cells.
Nguyen, Hue Minh.

Energy transfer from colloidal nanocrystals into silicon substrates: Toward its application in solar cells. - 112 p.

Source: Dissertation Abstracts International, Volume: 74-12(E), Section: B.

Thesis (Ph.D.)--The University of Texas at Dallas, 2013.

The integration of organic and inorganic materials at the nanoscale offers the possibility of developing new photonic devices that could potentially combine the advantages of both classes of materials. Such optoelectronic structures could work both in photovoltaic as well as in light emitting modes depending on the direction of non-radiative exciton energy transfer (NRET). Physical principles of the hybrid systems were studied systematically in the structures consisting of a monolayer of the colloidal nanocrystal quantum dots (NQDs) grafted on hydrogenated Si surfaces via carboxydecyl linkers. Such an approach allowed us to passivate Si surfaces to suppress non-radiative surface state defects ( Ns < 1011 cm 2) and provide controllable spacer lengths between NQDs and Si. We performed measurements of ET via time-resolved and steady-state photoluminescence (PL) as a function of spacer thickness, emission wavelength of the NQDs and the thickness of the Si substrate. The experimental results are in a good agreement with the classical macroscopic electrodynamics picture of an oscillating electric dipole in the media characterized by their frequency-dependent complex dielectric function. Comparative analyses reveal separate contributions to ET coming from NRET and radiative energy waveguide coupling (RET) channels: while in the visible and at shorter separation (few nm) NRET is the dominant mechanism, RET starts to take over at near-infrared wavelengths and at larger separation distances (effective up to several tens of nm). Overall ET efficiency is estimated at the level of ~90% over broad spectrum range. We apply the ET mechanisms to the study and design of multilayer NQD hybrid structures assembled on the 3D nanopillar substrates in order to effectively utilize sunlight's spectrum.

ISBN: 9781303331848Subjects--Topical Terms:

1018488
Physics, General.

Energy transfer from colloidal nanocrystals into silicon substrates: Toward its application in solar cells.
LDR:02742nam a2200289 4500 001 1966827
005 20141112075116.5
008 150210s2013 ||||||||||||||||| ||eng d
020 $a 9781303331848
035 $a (MiAaPQ)AAI3592204
035 $a AAI3592204
040 $a MiAaPQ $c MiAaPQ
100 1 $a Nguyen, Hue Minh. $3 2103711
245 1 0 $a Energy transfer from colloidal nanocrystals into silicon substrates: Toward its application in solar cells.
300 $a 112 p.
500 $a Source: Dissertation Abstracts International, Volume: 74-12(E), Section: B.
500 $a Adviser: Anton V. Malko.
502 $a Thesis (Ph.D.)--The University of Texas at Dallas, 2013.
520 $a The integration of organic and inorganic materials at the nanoscale offers the possibility of developing new photonic devices that could potentially combine the advantages of both classes of materials. Such optoelectronic structures could work both in photovoltaic as well as in light emitting modes depending on the direction of non-radiative exciton energy transfer (NRET). Physical principles of the hybrid systems were studied systematically in the structures consisting of a monolayer of the colloidal nanocrystal quantum dots (NQDs) grafted on hydrogenated Si surfaces via carboxydecyl linkers. Such an approach allowed us to passivate Si surfaces to suppress non-radiative surface state defects ( Ns < 1011 cm 2) and provide controllable spacer lengths between NQDs and Si. We performed measurements of ET via time-resolved and steady-state photoluminescence (PL) as a function of spacer thickness, emission wavelength of the NQDs and the thickness of the Si substrate. The experimental results are in a good agreement with the classical macroscopic electrodynamics picture of an oscillating electric dipole in the media characterized by their frequency-dependent complex dielectric function. Comparative analyses reveal separate contributions to ET coming from NRET and radiative energy waveguide coupling (RET) channels: while in the visible and at shorter separation (few nm) NRET is the dominant mechanism, RET starts to take over at near-infrared wavelengths and at larger separation distances (effective up to several tens of nm). Overall ET efficiency is estimated at the level of ~90% over broad spectrum range. We apply the ET mechanisms to the study and design of multilayer NQD hybrid structures assembled on the 3D nanopillar substrates in order to effectively utilize sunlight's spectrum.
590 $a School code: 0382.
650 4 $a Physics, General. $3 1018488
650 4 $a Nanotechnology. $3 526235
650 4 $a Physics, Optics. $3 1018756
690 $a 0605
690 $a 0652
690 $a 0752
710 2 $a The University of Texas at Dallas. $b Physics. $3 2103712
773 0 $t Dissertation Abstracts International $g 74-12B(E).
790 $a 0382
791 $a Ph.D.
792 $a 2013
793 $a English
856 4 0 $u http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3592204