Effects of mercaptopropionic acid as a stabilizing agent and Cd:Te ion ratio on CdTe and CdHgTe quantum dots properties

Abstract In the present work, mercaptopropionic acid (MPA) capped CdTe and CdHgTe quantum dots (QDs) are synthesized using a method based on the bottom up approach in aqueous medium. The CdTe QDs were prepared with a two different ratios of Cd:Te (3:1 and 4:1). It was noticed that there was a minimu...
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Autor*in:	Feteha, M. [verfasserIn] Ebrahim, Sh. Soliman, M. Ramdan, W. Raoof, M.

Format:	Artikel
Sprache:	Englisch

Erschienen:	2012

Schlagwörter:	High Resolution Transmission Electron Microscope HgTe High Resolution Transmission Electron Microscope Image Mercaptopropionic Acid

Anmerkung:	© Springer Science+Business Media, LLC 2012

Übergeordnetes Werk:	Enthalten in: Journal of materials science / Materials in electronics - Springer US, 1990, 23(2012), 11 vom: 18. März, Seite 1938-1943
Übergeordnetes Werk:	volume:23 ; year:2012 ; number:11 ; day:18 ; month:03 ; pages:1938-1943

Links:	Volltext

DOI / URN:	10.1007/s10854-012-0684-y

Katalog-ID:	OLC2026265445

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520			\|a Abstract In the present work, mercaptopropionic acid (MPA) capped CdTe and CdHgTe quantum dots (QDs) are synthesized using a method based on the bottom up approach in aqueous medium. The CdTe QDs were prepared with a two different ratios of Cd:Te (3:1 and 4:1). It was noticed that there was a minimum concentration of MPA for each Cd:Te ratio. The resulting QDs were characterized using optical absorption spectroscopy, energy dispersion X-ray (EDX) and high resolution transmission electron microscopy (HRTEM). It was found that the EDXs of CdTe and CdHgTe QDs showed that the stiochiometric ratios of CdTe obtained with Cd:Te ratio of 3:1 is 50:50 and for CdHgTe is 40:26:34 for 100 % of Hg. The band gap of CdHgTe QDs varies slightly with composition from 2.21 eV for a pure CdTe to 1.4 eV for a CdHgTe with 100 % of Hg. The HRTEM image showed a good dispersed nano-crystalline structure for the CdTe QDs with average size of 3–4 nm. The existence of the lattice planes on the HRTEM images of the QD indicated that the CdTe QDs are highly crystalline. In addition, the CdHgTe QDs size is 12 nm for 100 % of Hg.
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allfields	10.1007/s10854-012-0684-y doi (DE-627)OLC2026265445 (DE-He213)s10854-012-0684-y-p DE-627 ger DE-627 rakwb eng 600 670 620 VZ Feteha, M. verfasserin aut Effects of mercaptopropionic acid as a stabilizing agent and Cd:Te ion ratio on CdTe and CdHgTe quantum dots properties 2012 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Springer Science+Business Media, LLC 2012 Abstract In the present work, mercaptopropionic acid (MPA) capped CdTe and CdHgTe quantum dots (QDs) are synthesized using a method based on the bottom up approach in aqueous medium. The CdTe QDs were prepared with a two different ratios of Cd:Te (3:1 and 4:1). It was noticed that there was a minimum concentration of MPA for each Cd:Te ratio. The resulting QDs were characterized using optical absorption spectroscopy, energy dispersion X-ray (EDX) and high resolution transmission electron microscopy (HRTEM). It was found that the EDXs of CdTe and CdHgTe QDs showed that the stiochiometric ratios of CdTe obtained with Cd:Te ratio of 3:1 is 50:50 and for CdHgTe is 40:26:34 for 100 % of Hg. The band gap of CdHgTe QDs varies slightly with composition from 2.21 eV for a pure CdTe to 1.4 eV for a CdHgTe with 100 % of Hg. The HRTEM image showed a good dispersed nano-crystalline structure for the CdTe QDs with average size of 3–4 nm. The existence of the lattice planes on the HRTEM images of the QD indicated that the CdTe QDs are highly crystalline. In addition, the CdHgTe QDs size is 12 nm for 100 % of Hg. High Resolution Transmission Electron Microscope High Resolution Transmission Electron Microscope HgTe High Resolution Transmission Electron Microscope Image Mercaptopropionic Acid Ebrahim, Sh. aut Soliman, M. aut Ramdan, W. aut Raoof, M. aut Enthalten in Journal of materials science / Materials in electronics Springer US, 1990 23(2012), 11 vom: 18. März, Seite 1938-1943 (DE-627)130863289 (DE-600)1030929-9 (DE-576)023106719 0957-4522 nnns volume:23 year:2012 number:11 day:18 month:03 pages:1938-1943 https://doi.org/10.1007/s10854-012-0684-y lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC SSG-OLC-PHY GBV_ILN_20 GBV_ILN_30 GBV_ILN_32 GBV_ILN_40 GBV_ILN_70 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2015 GBV_ILN_4046 GBV_ILN_4305 GBV_ILN_4323 AR 23 2012 11 18 03 1938-1943
spelling	10.1007/s10854-012-0684-y doi (DE-627)OLC2026265445 (DE-He213)s10854-012-0684-y-p DE-627 ger DE-627 rakwb eng 600 670 620 VZ Feteha, M. verfasserin aut Effects of mercaptopropionic acid as a stabilizing agent and Cd:Te ion ratio on CdTe and CdHgTe quantum dots properties 2012 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Springer Science+Business Media, LLC 2012 Abstract In the present work, mercaptopropionic acid (MPA) capped CdTe and CdHgTe quantum dots (QDs) are synthesized using a method based on the bottom up approach in aqueous medium. The CdTe QDs were prepared with a two different ratios of Cd:Te (3:1 and 4:1). It was noticed that there was a minimum concentration of MPA for each Cd:Te ratio. The resulting QDs were characterized using optical absorption spectroscopy, energy dispersion X-ray (EDX) and high resolution transmission electron microscopy (HRTEM). It was found that the EDXs of CdTe and CdHgTe QDs showed that the stiochiometric ratios of CdTe obtained with Cd:Te ratio of 3:1 is 50:50 and for CdHgTe is 40:26:34 for 100 % of Hg. The band gap of CdHgTe QDs varies slightly with composition from 2.21 eV for a pure CdTe to 1.4 eV for a CdHgTe with 100 % of Hg. The HRTEM image showed a good dispersed nano-crystalline structure for the CdTe QDs with average size of 3–4 nm. The existence of the lattice planes on the HRTEM images of the QD indicated that the CdTe QDs are highly crystalline. In addition, the CdHgTe QDs size is 12 nm for 100 % of Hg. High Resolution Transmission Electron Microscope High Resolution Transmission Electron Microscope HgTe High Resolution Transmission Electron Microscope Image Mercaptopropionic Acid Ebrahim, Sh. aut Soliman, M. aut Ramdan, W. aut Raoof, M. aut Enthalten in Journal of materials science / Materials in electronics Springer US, 1990 23(2012), 11 vom: 18. März, Seite 1938-1943 (DE-627)130863289 (DE-600)1030929-9 (DE-576)023106719 0957-4522 nnns volume:23 year:2012 number:11 day:18 month:03 pages:1938-1943 https://doi.org/10.1007/s10854-012-0684-y lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC SSG-OLC-PHY GBV_ILN_20 GBV_ILN_30 GBV_ILN_32 GBV_ILN_40 GBV_ILN_70 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2015 GBV_ILN_4046 GBV_ILN_4305 GBV_ILN_4323 AR 23 2012 11 18 03 1938-1943
allfields_unstemmed	10.1007/s10854-012-0684-y doi (DE-627)OLC2026265445 (DE-He213)s10854-012-0684-y-p DE-627 ger DE-627 rakwb eng 600 670 620 VZ Feteha, M. verfasserin aut Effects of mercaptopropionic acid as a stabilizing agent and Cd:Te ion ratio on CdTe and CdHgTe quantum dots properties 2012 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Springer Science+Business Media, LLC 2012 Abstract In the present work, mercaptopropionic acid (MPA) capped CdTe and CdHgTe quantum dots (QDs) are synthesized using a method based on the bottom up approach in aqueous medium. The CdTe QDs were prepared with a two different ratios of Cd:Te (3:1 and 4:1). It was noticed that there was a minimum concentration of MPA for each Cd:Te ratio. The resulting QDs were characterized using optical absorption spectroscopy, energy dispersion X-ray (EDX) and high resolution transmission electron microscopy (HRTEM). It was found that the EDXs of CdTe and CdHgTe QDs showed that the stiochiometric ratios of CdTe obtained with Cd:Te ratio of 3:1 is 50:50 and for CdHgTe is 40:26:34 for 100 % of Hg. The band gap of CdHgTe QDs varies slightly with composition from 2.21 eV for a pure CdTe to 1.4 eV for a CdHgTe with 100 % of Hg. The HRTEM image showed a good dispersed nano-crystalline structure for the CdTe QDs with average size of 3–4 nm. The existence of the lattice planes on the HRTEM images of the QD indicated that the CdTe QDs are highly crystalline. In addition, the CdHgTe QDs size is 12 nm for 100 % of Hg. High Resolution Transmission Electron Microscope High Resolution Transmission Electron Microscope HgTe High Resolution Transmission Electron Microscope Image Mercaptopropionic Acid Ebrahim, Sh. aut Soliman, M. aut Ramdan, W. aut Raoof, M. aut Enthalten in Journal of materials science / Materials in electronics Springer US, 1990 23(2012), 11 vom: 18. März, Seite 1938-1943 (DE-627)130863289 (DE-600)1030929-9 (DE-576)023106719 0957-4522 nnns volume:23 year:2012 number:11 day:18 month:03 pages:1938-1943 https://doi.org/10.1007/s10854-012-0684-y lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC SSG-OLC-PHY GBV_ILN_20 GBV_ILN_30 GBV_ILN_32 GBV_ILN_40 GBV_ILN_70 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2015 GBV_ILN_4046 GBV_ILN_4305 GBV_ILN_4323 AR 23 2012 11 18 03 1938-1943
allfieldsGer	10.1007/s10854-012-0684-y doi (DE-627)OLC2026265445 (DE-He213)s10854-012-0684-y-p DE-627 ger DE-627 rakwb eng 600 670 620 VZ Feteha, M. verfasserin aut Effects of mercaptopropionic acid as a stabilizing agent and Cd:Te ion ratio on CdTe and CdHgTe quantum dots properties 2012 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Springer Science+Business Media, LLC 2012 Abstract In the present work, mercaptopropionic acid (MPA) capped CdTe and CdHgTe quantum dots (QDs) are synthesized using a method based on the bottom up approach in aqueous medium. The CdTe QDs were prepared with a two different ratios of Cd:Te (3:1 and 4:1). It was noticed that there was a minimum concentration of MPA for each Cd:Te ratio. The resulting QDs were characterized using optical absorption spectroscopy, energy dispersion X-ray (EDX) and high resolution transmission electron microscopy (HRTEM). It was found that the EDXs of CdTe and CdHgTe QDs showed that the stiochiometric ratios of CdTe obtained with Cd:Te ratio of 3:1 is 50:50 and for CdHgTe is 40:26:34 for 100 % of Hg. The band gap of CdHgTe QDs varies slightly with composition from 2.21 eV for a pure CdTe to 1.4 eV for a CdHgTe with 100 % of Hg. The HRTEM image showed a good dispersed nano-crystalline structure for the CdTe QDs with average size of 3–4 nm. The existence of the lattice planes on the HRTEM images of the QD indicated that the CdTe QDs are highly crystalline. In addition, the CdHgTe QDs size is 12 nm for 100 % of Hg. High Resolution Transmission Electron Microscope High Resolution Transmission Electron Microscope HgTe High Resolution Transmission Electron Microscope Image Mercaptopropionic Acid Ebrahim, Sh. aut Soliman, M. aut Ramdan, W. aut Raoof, M. aut Enthalten in Journal of materials science / Materials in electronics Springer US, 1990 23(2012), 11 vom: 18. März, Seite 1938-1943 (DE-627)130863289 (DE-600)1030929-9 (DE-576)023106719 0957-4522 nnns volume:23 year:2012 number:11 day:18 month:03 pages:1938-1943 https://doi.org/10.1007/s10854-012-0684-y lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC SSG-OLC-PHY GBV_ILN_20 GBV_ILN_30 GBV_ILN_32 GBV_ILN_40 GBV_ILN_70 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2015 GBV_ILN_4046 GBV_ILN_4305 GBV_ILN_4323 AR 23 2012 11 18 03 1938-1943
allfieldsSound	10.1007/s10854-012-0684-y doi (DE-627)OLC2026265445 (DE-He213)s10854-012-0684-y-p DE-627 ger DE-627 rakwb eng 600 670 620 VZ Feteha, M. verfasserin aut Effects of mercaptopropionic acid as a stabilizing agent and Cd:Te ion ratio on CdTe and CdHgTe quantum dots properties 2012 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Springer Science+Business Media, LLC 2012 Abstract In the present work, mercaptopropionic acid (MPA) capped CdTe and CdHgTe quantum dots (QDs) are synthesized using a method based on the bottom up approach in aqueous medium. The CdTe QDs were prepared with a two different ratios of Cd:Te (3:1 and 4:1). It was noticed that there was a minimum concentration of MPA for each Cd:Te ratio. The resulting QDs were characterized using optical absorption spectroscopy, energy dispersion X-ray (EDX) and high resolution transmission electron microscopy (HRTEM). It was found that the EDXs of CdTe and CdHgTe QDs showed that the stiochiometric ratios of CdTe obtained with Cd:Te ratio of 3:1 is 50:50 and for CdHgTe is 40:26:34 for 100 % of Hg. The band gap of CdHgTe QDs varies slightly with composition from 2.21 eV for a pure CdTe to 1.4 eV for a CdHgTe with 100 % of Hg. The HRTEM image showed a good dispersed nano-crystalline structure for the CdTe QDs with average size of 3–4 nm. The existence of the lattice planes on the HRTEM images of the QD indicated that the CdTe QDs are highly crystalline. In addition, the CdHgTe QDs size is 12 nm for 100 % of Hg. High Resolution Transmission Electron Microscope High Resolution Transmission Electron Microscope HgTe High Resolution Transmission Electron Microscope Image Mercaptopropionic Acid Ebrahim, Sh. aut Soliman, M. aut Ramdan, W. aut Raoof, M. aut Enthalten in Journal of materials science / Materials in electronics Springer US, 1990 23(2012), 11 vom: 18. März, Seite 1938-1943 (DE-627)130863289 (DE-600)1030929-9 (DE-576)023106719 0957-4522 nnns volume:23 year:2012 number:11 day:18 month:03 pages:1938-1943 https://doi.org/10.1007/s10854-012-0684-y lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC SSG-OLC-PHY GBV_ILN_20 GBV_ILN_30 GBV_ILN_32 GBV_ILN_40 GBV_ILN_70 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2015 GBV_ILN_4046 GBV_ILN_4305 GBV_ILN_4323 AR 23 2012 11 18 03 1938-1943
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author	Feteha, M.
spellingShingle	Feteha, M. ddc 600 misc High Resolution Transmission Electron Microscope misc HgTe misc High Resolution Transmission Electron Microscope Image misc Mercaptopropionic Acid Effects of mercaptopropionic acid as a stabilizing agent and Cd:Te ion ratio on CdTe and CdHgTe quantum dots properties
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topic_title	600 670 620 VZ Effects of mercaptopropionic acid as a stabilizing agent and Cd:Te ion ratio on CdTe and CdHgTe quantum dots properties High Resolution Transmission Electron Microscope HgTe High Resolution Transmission Electron Microscope Image Mercaptopropionic Acid
topic	ddc 600 misc High Resolution Transmission Electron Microscope misc HgTe misc High Resolution Transmission Electron Microscope Image misc Mercaptopropionic Acid
topic_unstemmed	ddc 600 misc High Resolution Transmission Electron Microscope misc HgTe misc High Resolution Transmission Electron Microscope Image misc Mercaptopropionic Acid
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title	Effects of mercaptopropionic acid as a stabilizing agent and Cd:Te ion ratio on CdTe and CdHgTe quantum dots properties
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title_full	Effects of mercaptopropionic acid as a stabilizing agent and Cd:Te ion ratio on CdTe and CdHgTe quantum dots properties
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author_browse	Feteha, M. Ebrahim, Sh. Soliman, M. Ramdan, W. Raoof, M.
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title_sort	effects of mercaptopropionic acid as a stabilizing agent and cd:te ion ratio on cdte and cdhgte quantum dots properties
title_auth	Effects of mercaptopropionic acid as a stabilizing agent and Cd:Te ion ratio on CdTe and CdHgTe quantum dots properties
abstract	Abstract In the present work, mercaptopropionic acid (MPA) capped CdTe and CdHgTe quantum dots (QDs) are synthesized using a method based on the bottom up approach in aqueous medium. The CdTe QDs were prepared with a two different ratios of Cd:Te (3:1 and 4:1). It was noticed that there was a minimum concentration of MPA for each Cd:Te ratio. The resulting QDs were characterized using optical absorption spectroscopy, energy dispersion X-ray (EDX) and high resolution transmission electron microscopy (HRTEM). It was found that the EDXs of CdTe and CdHgTe QDs showed that the stiochiometric ratios of CdTe obtained with Cd:Te ratio of 3:1 is 50:50 and for CdHgTe is 40:26:34 for 100 % of Hg. The band gap of CdHgTe QDs varies slightly with composition from 2.21 eV for a pure CdTe to 1.4 eV for a CdHgTe with 100 % of Hg. The HRTEM image showed a good dispersed nano-crystalline structure for the CdTe QDs with average size of 3–4 nm. The existence of the lattice planes on the HRTEM images of the QD indicated that the CdTe QDs are highly crystalline. In addition, the CdHgTe QDs size is 12 nm for 100 % of Hg. © Springer Science+Business Media, LLC 2012
abstractGer	Abstract In the present work, mercaptopropionic acid (MPA) capped CdTe and CdHgTe quantum dots (QDs) are synthesized using a method based on the bottom up approach in aqueous medium. The CdTe QDs were prepared with a two different ratios of Cd:Te (3:1 and 4:1). It was noticed that there was a minimum concentration of MPA for each Cd:Te ratio. The resulting QDs were characterized using optical absorption spectroscopy, energy dispersion X-ray (EDX) and high resolution transmission electron microscopy (HRTEM). It was found that the EDXs of CdTe and CdHgTe QDs showed that the stiochiometric ratios of CdTe obtained with Cd:Te ratio of 3:1 is 50:50 and for CdHgTe is 40:26:34 for 100 % of Hg. The band gap of CdHgTe QDs varies slightly with composition from 2.21 eV for a pure CdTe to 1.4 eV for a CdHgTe with 100 % of Hg. The HRTEM image showed a good dispersed nano-crystalline structure for the CdTe QDs with average size of 3–4 nm. The existence of the lattice planes on the HRTEM images of the QD indicated that the CdTe QDs are highly crystalline. In addition, the CdHgTe QDs size is 12 nm for 100 % of Hg. © Springer Science+Business Media, LLC 2012
abstract_unstemmed	Abstract In the present work, mercaptopropionic acid (MPA) capped CdTe and CdHgTe quantum dots (QDs) are synthesized using a method based on the bottom up approach in aqueous medium. The CdTe QDs were prepared with a two different ratios of Cd:Te (3:1 and 4:1). It was noticed that there was a minimum concentration of MPA for each Cd:Te ratio. The resulting QDs were characterized using optical absorption spectroscopy, energy dispersion X-ray (EDX) and high resolution transmission electron microscopy (HRTEM). It was found that the EDXs of CdTe and CdHgTe QDs showed that the stiochiometric ratios of CdTe obtained with Cd:Te ratio of 3:1 is 50:50 and for CdHgTe is 40:26:34 for 100 % of Hg. The band gap of CdHgTe QDs varies slightly with composition from 2.21 eV for a pure CdTe to 1.4 eV for a CdHgTe with 100 % of Hg. The HRTEM image showed a good dispersed nano-crystalline structure for the CdTe QDs with average size of 3–4 nm. The existence of the lattice planes on the HRTEM images of the QD indicated that the CdTe QDs are highly crystalline. In addition, the CdHgTe QDs size is 12 nm for 100 % of Hg. © Springer Science+Business Media, LLC 2012
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title_short	Effects of mercaptopropionic acid as a stabilizing agent and Cd:Te ion ratio on CdTe and CdHgTe quantum dots properties
url	https://doi.org/10.1007/s10854-012-0684-y
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