2010骞�10鏈�5鏃ョ憺鍏哥殗瀹剁瀛�(xu茅)闄㈠甯�锛�2010骞磋璨濈埦鐗╃悊瀛�(xu茅)鐛庡皣鎺堜簣鑻卞湅鏇煎竟鏂壒澶у(xu茅)鍏╀綅淇勮绉戝(xu茅)瀹讹細瀹夊痉鐑�·娴峰鍜屽悍鏂潶涓�·璜炬矁鑲栨礇澶紝浠ヨ〃褰颁粬鍊戝湪鐭冲ⅷ鐑潗鏂欓枊鐧�(f膩)闋�(l菒ng)鍩熺殑“绐佺牬鎬х爺绌�”鍙婅并鐛�(xi脿n)銆�
鐭冲ⅷ鐑槸浠p2杌岄亾闆滃寲鐨勭⒊鍘熷瓙褰㈡垚鐨勫柈灞ゅ師瀛愯渹绐╃媭鍏骞抽潰鏅堕珨锛屽叚閭婂舰鐨勬瘡鍊嬮粸涓婇兘鏄浉鍚岀殑纰冲師瀛�銆傚叾鍘氬害鍍呯偤 0.335 nm锛屾槸鐩墠涓栫晫涓婄従(xi脿n)瀛樻渶钖勭殑鏉愭枡銆傚湪瀹ゆ韩涓嬶紝鐭冲ⅷ鐑偝閬為浕瀛愮殑閫熷害姣斿凡鐭ュ皫(d菐o)楂旈兘蹇�锛佺煶澧ㄧ儻鐨勫嚭鐝�(xi脿n)鍦ㄧ瀛�(xu茅)鐣屾縺璧蜂簡宸ㄥぇ鐨勬尝鐎�銆備汉鍊戠櫦(f膩)鐝�(xi脿n)锛岀煶澧ㄧ儻鍏锋湁闈炲悓灏嬪父鐨勫皫(d菐o)闆绘�ц兘銆佽秴鍑洪嫾閻垫暩(sh霉)鍗佸�嶇殑寮�(qi谩ng)搴﹀拰妤靛ソ鐨勯�忓厜鎬�锛屽畠鐨勫嚭鐝�(xi脿n)鏈夋湜鍦ㄧ従(xi脿n)浠ｉ浕瀛愮鎶�闋�(l菒ng)鍩熷紩鐧�(f膩)鏂颁竴杓潻鍛�銆�
鐐烘锛岀櫨闈堝▉鑸囩編鍦嬭憲鍚嶅伐寤燬TREM鍚堜綔锛屽凡寮曢��(j矛n)鏂扮敘(ch菐n)鍝佺煶澧ㄧ儻寰墖锛屽嵆纰冲堡鏁�(sh霉)澶氫簬10灞�銆佸帤搴﹀湪5-100 nm鑼冨湇鐨勮秴钖勭殑鐭冲ⅷ鐑堡鐙�鍫嗙⿳楂�銆傜櫨闈堝▉鐭冲ⅷ鐑井鐗�锛屽叿鏈夊劒(y艒u)鐣扮殑姗�(j墨)姊板挤(qi谩ng)搴︺�佸皫(d菐o)闆�銆佸皫(d菐o)鐔辨�ц兘锛涜壇濂界殑娼ゆ粦銆佽�愰珮婧拰鎶楄厫铦曟��锛涜秴澶х殑褰㈢媭姣旓紙鐩村緫/鍘氬害姣旓級绛夌壒榛炪�傜煶澧ㄧ儻寰墖瀹规槗鑸囪仛鍚堢墿鏉愭枡鍧囧嫽寰�(f霉)鍚�锛屽舰鎴愯壇濂界殑寰�(f霉)鍚堢晫闈�锛屽緸鑰屾槗浜庤ō(sh猫)瑷�銆佸埗閫犲嚭楂樻�ц兘寰�(f霉)鍚堟潗鏂欙紝鎳�(y墨ng)鐢ㄥ墠鏅潪甯稿唬闂�銆�
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鐢�(ch菐n)鍝佺法铏�
|
鐢�(ch菐n)鍝佸悕绋�
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鐢�(ch菐n)鍝佽(gu墨)鏍�
|
鍖呰
|
|
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鐭冲ⅷ鐑井鐗�
Graphene nanoplatelets
|
6-8 nm thick x 5 microns wide
|
25 g
100 g
|
|
|
鐭冲ⅷ鐑井鐗�
Graphene nanoplatelets
|
6-8 nm thick x 15 microns wide
|
25 g
100 g
|
|
|
鐭冲ⅷ鐑井鐗�
Graphene nanoplatelets
|
6-8 nm thick x 25 microns wide
|
25 g
100 g
|
|
|
鐭冲ⅷ鐑井鐗囪仛闆嗛珨
Graphene nanoplatelets aggregates
|
sub-micron particles, surface area 300 m2/g
|
25 g
100 g
|
|
|
鐭冲ⅷ鐑井鐗囪仛闆嗛珨
Graphene nanoplatelets aggregates
|
sub-micron particles, surface area 500 m2/g
|
25 g
100 g
|
|
|
鐭冲ⅷ鐑井鐗囪仛闆嗛珨
Graphene nanoplatelets aggregates
|
sub-micron particles, surface area 750 m2/g
|
25 g
100 g
|
鐢�(ch菐n)鍝佽硣瑷�
鐧鹃潏濞侀噺瀛愰粸——涓�绋悊鎯崇殑鏂板瀷绱嶇背鏉愭枡
閲忓瓙榛�锛屽張鍙ū鐐虹磵绫虫櫠锛屾槸涓�绋敱II锛峍I鏃忔垨III锛峍鏃忓厓绱犵祫鎴愮殑绱嶇背椤嗙矑銆傞噺瀛愰粸鐨勭矑寰戜竴鑸粙浜�1锝�10 nm涔嬮枔锛岀敱浜庨浕瀛愬拰绌虹┐琚噺瀛愰檺鍩�锛岄�ｇ簩(x霉)鐨勮兘甯剁祼(ji茅)妲�(g貌u)璁婃垚鍏锋湁鍒嗗瓙鐗规�х殑鍒嗙珛鑳界礆绲�(ji茅)妲�(g貌u)锛屽彈婵�鍚庡彲浠ョ櫦(f膩)灏勭啋鍏�銆傞噺瀛愰粸鍏锋湁鍚告敹鍏夎瓬瀵�佺櫦(f膩)灏勫厜璀滅獎鑰屽皪绋�銆佺敓鐗╃浉瀹规�уソ銆佺啋鍏夊＝鍛介暦绛夊劒(y艒u)榛烇紝鍦ㄥお闄借兘闆绘睜銆佺櫦(f膩)鍏夊櫒浠跺拰鐢熺墿妯�(bi膩o)瑷樼瓑闋�(l菒ng)鍩熷叿鏈夊唬娉涚殑鎳�(y墨ng)鐢ㄥ墠鏅�銆�
鐧鹃潏濞佽垏缇庡湅钁楀悕宸ュ粻STREM鍚堜綔锛屽紩閫�(j矛n)鐨勬柊鐢�(ch菐n)鍝侀噺瀛愰粸锛屼笉鍍呮槸涓�绋柊鍨嬬磵绫虫潗鏂�锛岄倓鏄竴绋悊鎯崇殑鐔掑厜鎺㈤嚌銆�
CdSe/CdS/ZnS
Strem offers the following Quantum Dots
Core: CdSe
Core/Shell: CdSe/CdS
Core/Shell/Shell: CdSe/CdS/ZnS
The CdSe core is highly uniform with a narrow particle size distribution (±10%). The CdS shell is less than 1nm and stabilizes the core. The second shell of ZnS provides additional stability and is 1-2 nm thick.
Product characteristics:
High Quantum Yield- Longer term stability
- Scalability (produced via continuous flow)
- High batch-to-batch reproducibility (TEM available for each lot)
- Emission range 500-650nm
- Homogeneous dispersions in different non-polar solvents possible
- Flexibility for ink or composite preparation
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Structure
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Ligand Capping Agent
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Stability of Dispersions
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Quantum Yield
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Emission Range
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CdSe
core
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Oleylamine
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6 months
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> 10%
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500-625 nm
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CdSe/CdS
core/shell
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Oleylamine
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> 6 months
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> 30%
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550-625 nm
|
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CdSe/CdS/ZnS
core/shell/shell
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Hexadecylamine
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> 12 months
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> 30-40%
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525-650 nm
|
uantum dots manufactured by and registered trademarks owned by Center for Applied Nanotechnology (CAN).
Sold in collaboration with CAN for research purposes.
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Peak Emmission
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Particle Size (diameter)
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Strem Catalog No. (in hexane)+
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Quantum Yield
|
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CdSe
core
|
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500 nm
|
2.7 nm
|
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> 10%
|
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525 nm
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2.8 nm
|
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> 10%
|
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550 nm
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3.5 nm
|
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> 10%
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575 nm
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3.9 nm
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> 10%
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600 nm
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4.7 nm
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> 10%
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625 nm
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5.3 nm
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> 10%
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Kit: 500-625 nm
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> 10%
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Kit contains 5ml of each of the above 6 products. Ligand capping agent oleylamine. Stable in dispersions 6 months.
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CdSe/CdS
core/shell
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550 nm
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3.7 nm
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> 30%
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575 nm
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4.1 nm
|
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> 30%
|
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600 nm
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4.9 nm
|
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> 30%
|
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625 nm
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5.6 nm
|
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> 30%
|
|
Kit: 500-625 nm
|
|
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> 30%
|
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Kit contains 1ml of each of the above 4 products. Ligand capping agent oleylamine. Stable in dispersions >6 months.
|
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CdSe/CdS/ZnS
core/shell/shell
|
|
525 nm
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2.7 nm
|
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> 40%
|
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550 nm
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4.6 nm
|
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> 40%
|
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575 nm
|
5.1 nm
|
|
> 40%
|
|
600 nm
|
6.0 nm
|
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> 40%
|
|
625 nm
|
6.6 nm
|
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> 30%
|
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650 nm
|
8.5 nm
|
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> 30%
|
|
Kit: 525-650 nm
|
|
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> 30 - 40%
|
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Kit contains 1ml of each of the above 5 products. Ligand capping agent hexadecylamine. Stable in dispersions >12 months.
|
* Particle size reported excludes ligand capping agent.
All sizes determined by TEM except for 650nm CdSe/CdS/ZnS which is calculated.
+ Available at nanoparticle concentration of 50μmol per liter.
Store cold in dark under inert atmosphere
Typical spectra for CdSe core quantum dots.
