eNehtpQ;QhdKk; eNehnjhopDl;gKk; (Nanoscience and Nanotechnology) and nanotechnology.pdf · •...
-
Upload
nguyendiep -
Category
Documents
-
view
223 -
download
5
Transcript of eNehtpQ;QhdKk; eNehnjhopDl;gKk; (Nanoscience and Nanotechnology) and nanotechnology.pdf · •...
![Page 1: eNehtpQ;QhdKk; eNehnjhopDl;gKk; (Nanoscience and Nanotechnology) and nanotechnology.pdf · • Drexler's vision of nanotechnology is often called ... The Lycurgus Cup represents one](https://reader033.fdocuments.in/reader033/viewer/2022051600/5aaf48497f8b9adb688d731e/html5/thumbnails/1.jpg)
eNehtpQ;QhdKk;
eNehnjhopDl;gKk;(Nanoscience and Nanotechnology)O\/ngqzuise<B.Sc(Hons), M.Sc(nanoscience,Reading)Research AssitantPhotochemistryInstitute of Fundamental StudiesSri Lanka.
![Page 2: eNehtpQ;QhdKk; eNehnjhopDl;gKk; (Nanoscience and Nanotechnology) and nanotechnology.pdf · • Drexler's vision of nanotechnology is often called ... The Lycurgus Cup represents one](https://reader033.fdocuments.in/reader033/viewer/2022051600/5aaf48497f8b9adb688d731e/html5/thumbnails/2.jpg)
eNehnjhopDl;gk; vd;why; vd;d?
eNehnjhopDl;gk; vd;w NjlYf;F
gqm<mk<km<m 8,960,000 K[g<Ggt<!Lcuiggqjmg<Gl<! (0.15 seconds) ‐
![Page 3: eNehtpQ;QhdKk; eNehnjhopDl;gKk; (Nanoscience and Nanotechnology) and nanotechnology.pdf · • Drexler's vision of nanotechnology is often called ... The Lycurgus Cup represents one](https://reader033.fdocuments.in/reader033/viewer/2022051600/5aaf48497f8b9adb688d731e/html5/thumbnails/3.jpg)
fOfiuqR<Riek<kqe<!uvziX
• “gQOp fqjxb njxgt<!dt<te”• “There is plenty of rooms at the bottom”
![Page 4: eNehtpQ;QhdKk; eNehnjhopDl;gKk; (Nanoscience and Nanotechnology) and nanotechnology.pdf · • Drexler's vision of nanotechnology is often called ... The Lycurgus Cup represents one](https://reader033.fdocuments.in/reader033/viewer/2022051600/5aaf48497f8b9adb688d731e/html5/thumbnails/4.jpg)
gzqOhieqbi okipqEm<h fqXuel<!ohtkQgg<gpgl<.2:6:!
• Caltech, American Physical Society-1959
![Page 5: eNehtpQ;QhdKk; eNehnjhopDl;gKk; (Nanoscience and Nanotechnology) and nanotechnology.pdf · • Drexler's vision of nanotechnology is often called ... The Lycurgus Cup represents one](https://reader033.fdocuments.in/reader033/viewer/2022051600/5aaf48497f8b9adb688d731e/html5/thumbnails/5.jpg)
“eNehnjhopDl;gk;” vd;w gjj;ij
mwpKfg;gLj;jpatu; ahu;?
• OmigqObi uqR<Rieh<!hz<gjzg<gpgOhvisqvqbiv<!ofixqObi keqGs<sq we<huviz<!2:85. Prof Norio Taniguchi
• fOfi ntuqjmbqz<!hkiv<k<kr<gtqe<!sqxh<hqbz<HgjtBl<!Nvib<f<K uqtg<gqeiv<
![Page 7: eNehtpQ;QhdKk; eNehnjhopDl;gKk; (Nanoscience and Nanotechnology) and nanotechnology.pdf · • Drexler's vision of nanotechnology is often called ... The Lycurgus Cup represents one](https://reader033.fdocuments.in/reader033/viewer/2022051600/5aaf48497f8b9adb688d731e/html5/thumbnails/7.jpg)
wvqg<!covg<^<zv<Dr. K. Eric Drexler
• fOfiokipqFm<hk<jk gVKOgitigue<xqNkivH,v<ulig ogit<jg nch<hjmbqz<!n[g<gjtBl<!&zg<%XgjtBl<!jgbip<uK hx<xquqtg<gqeiv<. 1981
• Engines of Creation: The Coming Era of Nanotechnology
• Nanosystems: Molecular Machinery, Manufacturing, and Computation, (ISBN 0‐471‐57518‐6).
• Drexler's vision of nanotechnology is often called "Molecular Nanotechnology" (MNT) or "molecular manufacturing," and Drexler at one point proposed the term "zettatech" which never became popular.
![Page 8: eNehtpQ;QhdKk; eNehnjhopDl;gKk; (Nanoscience and Nanotechnology) and nanotechnology.pdf · • Drexler's vision of nanotechnology is often called ... The Lycurgus Cup represents one](https://reader033.fdocuments.in/reader033/viewer/2022051600/5aaf48497f8b9adb688d731e/html5/thumbnails/8.jpg)
dzg npqU@
• Grey goo we<hK &zg<%x<X fOfiokipqEm<hnch<hjmbqz<!njlf<k yV gVKOgit<!nch<hjmbie dzg npquiGl</
• -r<G gm<cz<zik ntuqz<! self‐replicatingrobots gt<!H,lqbqZt<t smh<ohiVm<gjtuqPr<gq nOklikqvqbie hqvkqgjtdVuig<Gl<!fqgp<uiGl</!-K!ecophagy wenjpg<gh<hMl</("eating the environment").
• In 2004 he stated "I wish I had never used the term 'grey goo'."
![Page 9: eNehtpQ;QhdKk; eNehnjhopDl;gKk; (Nanoscience and Nanotechnology) and nanotechnology.pdf · • Drexler's vision of nanotechnology is often called ... The Lycurgus Cup represents one](https://reader033.fdocuments.in/reader033/viewer/2022051600/5aaf48497f8b9adb688d731e/html5/thumbnails/9.jpg)
What happen when the Gray goo washed over the city
![Page 10: eNehtpQ;QhdKk; eNehnjhopDl;gKk; (Nanoscience and Nanotechnology) and nanotechnology.pdf · • Drexler's vision of nanotechnology is often called ... The Lycurgus Cup represents one](https://reader033.fdocuments.in/reader033/viewer/2022051600/5aaf48497f8b9adb688d731e/html5/thumbnails/10.jpg)
Birth of Scanning Probe Microscopy
Gerd Binnig Heinrich Rohrer
For their design of the scanning tunnelling microscope
First Paper in 1982 ; Won the Nobel Prize = 1986
![Page 11: eNehtpQ;QhdKk; eNehnjhopDl;gKk; (Nanoscience and Nanotechnology) and nanotechnology.pdf · • Drexler's vision of nanotechnology is often called ... The Lycurgus Cup represents one](https://reader033.fdocuments.in/reader033/viewer/2022051600/5aaf48497f8b9adb688d731e/html5/thumbnails/11.jpg)
Dr/!-vqs<sm<!^<lzqDr.Richard Smalley “Rick”
Dr/wvqg<!covg<^<zvqe<!vsqge<
![Page 12: eNehtpQ;QhdKk; eNehnjhopDl;gKk; (Nanoscience and Nanotechnology) and nanotechnology.pdf · • Drexler's vision of nanotechnology is often called ... The Lycurgus Cup represents one](https://reader033.fdocuments.in/reader033/viewer/2022051600/5aaf48497f8b9adb688d731e/html5/thumbnails/12.jpg)
Dr/!-vqs<sm<!^<lzq 2:96.7
• gihe<!h<hg<gqOhit<!g{<Mhqch<H• Hx<XOfibiz<!yg<Omihv<!39!3116!z<!lv{l<• nlvqg<g osex<sjh -ujvogtvuh<hMk<Kukx<gig fOfiokipqEm<hk<kqe<!kf<jk we nxquqk<kK/!
![Page 13: eNehtpQ;QhdKk; eNehnjhopDl;gKk; (Nanoscience and Nanotechnology) and nanotechnology.pdf · • Drexler's vision of nanotechnology is often called ... The Lycurgus Cup represents one](https://reader033.fdocuments.in/reader033/viewer/2022051600/5aaf48497f8b9adb688d731e/html5/thumbnails/13.jpg)
The Lycurgus Cup represents one of the outstanding achievements of the
ancient glass industry
![Page 14: eNehtpQ;QhdKk; eNehnjhopDl;gKk; (Nanoscience and Nanotechnology) and nanotechnology.pdf · • Drexler's vision of nanotechnology is often called ... The Lycurgus Cup represents one](https://reader033.fdocuments.in/reader033/viewer/2022051600/5aaf48497f8b9adb688d731e/html5/thumbnails/14.jpg)
nh<hcbibqe<!fOfiuqR<Riek<kqe<!nh<hi biv<@
![Page 15: eNehtpQ;QhdKk; eNehnjhopDl;gKk; (Nanoscience and Nanotechnology) and nanotechnology.pdf · • Drexler's vision of nanotechnology is often called ... The Lycurgus Cup represents one](https://reader033.fdocuments.in/reader033/viewer/2022051600/5aaf48497f8b9adb688d731e/html5/thumbnails/15.jpg)
fOfiuqR<Riel<!we<xiz<!we<e@!
• ujvuqzg<g{l<• The study of materials and their behavior at the
level of particles measured in nanoscale• Hkiv<k<kr<gtqe<!-bz<HgjtBl<!nux<xqe<!fmkmjkg<Ogizr<gjgBl<!fOfintuqjmbigqb 2.211!nm -z<!gx<xOzfOfiuquqR<Riel</
![Page 16: eNehtpQ;QhdKk; eNehnjhopDl;gKk; (Nanoscience and Nanotechnology) and nanotechnology.pdf · • Drexler's vision of nanotechnology is often called ... The Lycurgus Cup represents one](https://reader033.fdocuments.in/reader033/viewer/2022051600/5aaf48497f8b9adb688d731e/html5/thumbnails/16.jpg)
eNehnjhopDl;gKk;
• ujvuqzg<g{l<• Understanding and control of matter at dimensions between
approximately 1 and 100 nanometers, where unique phenomena enable novel applications.
• 1-100 nm ntuqjmbqz<!njlf<kdVujlh<Hg<gjgg<ogi{<M ns<sqX ntuignjlBl<!OhiK outqh<hMl<!sqxh<Hh<!h{<Hgjgg<!ogi{<M Ng<gh<hMl<!gVuqgTl<!nh<ohiVm<gjgh<!hbe<hMk<Kl<!Fm<huqbZl<!eNehnjhopDl;gk; vdg;gLk;.
![Page 17: eNehtpQ;QhdKk; eNehnjhopDl;gKk; (Nanoscience and Nanotechnology) and nanotechnology.pdf · • Drexler's vision of nanotechnology is often called ... The Lycurgus Cup represents one](https://reader033.fdocuments.in/reader033/viewer/2022051600/5aaf48497f8b9adb688d731e/html5/thumbnails/17.jpg)
fOfih<hkiv<k<kl<)nanomaterial*!we<xiz<!we<e@!
• A material that exhibits distinct properties when studied on the order of less than 100 nm.
• hkiv<k<kr<gtqe<!hvqli{l<!2.211!nmntuqjmbqz<!njlBl<!OhiK nKfOfih<hkiv<k<kl<!weh<hMl</
![Page 18: eNehtpQ;QhdKk; eNehnjhopDl;gKk; (Nanoscience and Nanotechnology) and nanotechnology.pdf · • Drexler's vision of nanotechnology is often called ... The Lycurgus Cup represents one](https://reader033.fdocuments.in/reader033/viewer/2022051600/5aaf48497f8b9adb688d731e/html5/thumbnails/18.jpg)
Size dependent properties
![Page 19: eNehtpQ;QhdKk; eNehnjhopDl;gKk; (Nanoscience and Nanotechnology) and nanotechnology.pdf · • Drexler's vision of nanotechnology is often called ... The Lycurgus Cup represents one](https://reader033.fdocuments.in/reader033/viewer/2022051600/5aaf48497f8b9adb688d731e/html5/thumbnails/19.jpg)
![Page 20: eNehtpQ;QhdKk; eNehnjhopDl;gKk; (Nanoscience and Nanotechnology) and nanotechnology.pdf · • Drexler's vision of nanotechnology is often called ... The Lycurgus Cup represents one](https://reader033.fdocuments.in/reader033/viewer/2022051600/5aaf48497f8b9adb688d731e/html5/thumbnails/20.jpg)
fOfih<hkiv<k<kr<gjt kbivqk<kz<Synthesis of nanomaterials
• -v{<Muqklie n[GLjxgt<
• OlzqVf<K.gQp<n[GLjx)top down approach*• gQpqVf<K.Olz<!n[GLjx)bottom to top approach)
![Page 21: eNehtpQ;QhdKk; eNehnjhopDl;gKk; (Nanoscience and Nanotechnology) and nanotechnology.pdf · • Drexler's vision of nanotechnology is often called ... The Lycurgus Cup represents one](https://reader033.fdocuments.in/reader033/viewer/2022051600/5aaf48497f8b9adb688d731e/html5/thumbnails/21.jpg)
OlzqVf<K.gQp<n[GLjx)top down approach*
• hkiv<k<kr<gtqe<!hvqli{k<jk nke<!ohvqbdVh<hcbqzqVf<K kbivqk<kz<
![Page 22: eNehtpQ;QhdKk; eNehnjhopDl;gKk; (Nanoscience and Nanotechnology) and nanotechnology.pdf · • Drexler's vision of nanotechnology is often called ... The Lycurgus Cup represents one](https://reader033.fdocuments.in/reader033/viewer/2022051600/5aaf48497f8b9adb688d731e/html5/thumbnails/22.jpg)
![Page 23: eNehtpQ;QhdKk; eNehnjhopDl;gKk; (Nanoscience and Nanotechnology) and nanotechnology.pdf · • Drexler's vision of nanotechnology is often called ... The Lycurgus Cup represents one](https://reader033.fdocuments.in/reader033/viewer/2022051600/5aaf48497f8b9adb688d731e/html5/thumbnails/23.jpg)
gQpqVf<K.Olz<!n[GLjx)bottom to top approach)
• Hkiv<k<kr<gjt nux<xqe<!nch<hjmnzgqzqVf<K kbivqk<kz<
Basic unite
![Page 24: eNehtpQ;QhdKk; eNehnjhopDl;gKk; (Nanoscience and Nanotechnology) and nanotechnology.pdf · • Drexler's vision of nanotechnology is often called ... The Lycurgus Cup represents one](https://reader033.fdocuments.in/reader033/viewer/2022051600/5aaf48497f8b9adb688d731e/html5/thumbnails/24.jpg)
fOfi ntuqjms<sqxh<hqbz<Hgt<)Properties at nanoscale)
• Chemical Properties (-vsibe -bz<Hgt<*
• Electrical Properties (lqe<!-bz<Hgt<*!• Electronic Properties (<-zk<kqveqbz<!-bz<Hgt<*!• Optical Properties (ytqbqbz<!-bz<Hgt<*!• Mechanical Properties (ohtkQg -bz<Hgt<*!
![Page 25: eNehtpQ;QhdKk; eNehnjhopDl;gKk; (Nanoscience and Nanotechnology) and nanotechnology.pdf · • Drexler's vision of nanotechnology is often called ... The Lycurgus Cup represents one](https://reader033.fdocuments.in/reader033/viewer/2022051600/5aaf48497f8b9adb688d731e/html5/thumbnails/25.jpg)
ohVl<K{qg<jgBl<!fOfiK{qg<jgBl<)Bulk and nano)
• yOvgeutUg<gie Olx<hvh<hqe<!hvh<htUfOfiK{qg<jggTg<G nkqgliGl</!
![Page 26: eNehtpQ;QhdKk; eNehnjhopDl;gKk; (Nanoscience and Nanotechnology) and nanotechnology.pdf · • Drexler's vision of nanotechnology is often called ... The Lycurgus Cup represents one](https://reader033.fdocuments.in/reader033/viewer/2022051600/5aaf48497f8b9adb688d731e/html5/thumbnails/26.jpg)
sg<kqh<hm<jm ogit<jg)Band theory)
• dOzigh<hqj{h<H• dOzigolie<xqe<!fqxl<!!sg<kqh<hm<jmogit<jg &zl<!uqtg<gzil<
![Page 27: eNehtpQ;QhdKk; eNehnjhopDl;gKk; (Nanoscience and Nanotechnology) and nanotechnology.pdf · • Drexler's vision of nanotechnology is often called ... The Lycurgus Cup represents one](https://reader033.fdocuments.in/reader033/viewer/2022051600/5aaf48497f8b9adb688d731e/html5/thumbnails/27.jpg)
giuzq Gjxgmk<kq gmk<kqsg<kqh<hm<jm -jmoutq
![Page 28: eNehtpQ;QhdKk; eNehnjhopDl;gKk; (Nanoscience and Nanotechnology) and nanotechnology.pdf · • Drexler's vision of nanotechnology is often called ... The Lycurgus Cup represents one](https://reader033.fdocuments.in/reader033/viewer/2022051600/5aaf48497f8b9adb688d731e/html5/thumbnails/28.jpg)
Chemical Properties (-vsibe -bz<Hgt<*
• kig<guQkl<!nkqgvqg<Gl<!
![Page 29: eNehtpQ;QhdKk; eNehnjhopDl;gKk; (Nanoscience and Nanotechnology) and nanotechnology.pdf · • Drexler's vision of nanotechnology is often called ... The Lycurgus Cup represents one](https://reader033.fdocuments.in/reader033/viewer/2022051600/5aaf48497f8b9adb688d731e/html5/thumbnails/29.jpg)
fOfik<okiGkqgt<)nanosystems)
• -bx<jg fOfik<okiGkqgt< (Natural )• osbx<jg fOfik<okiGkqgt<!)Artificial )
![Page 30: eNehtpQ;QhdKk; eNehnjhopDl;gKk; (Nanoscience and Nanotechnology) and nanotechnology.pdf · • Drexler's vision of nanotechnology is often called ... The Lycurgus Cup represents one](https://reader033.fdocuments.in/reader033/viewer/2022051600/5aaf48497f8b9adb688d731e/html5/thumbnails/30.jpg)
-bx<jg fOfik<okiGkqgt<hz<zqbqe<!giz<gt<
![Page 31: eNehtpQ;QhdKk; eNehnjhopDl;gKk; (Nanoscience and Nanotechnology) and nanotechnology.pdf · • Drexler's vision of nanotechnology is often called ... The Lycurgus Cup represents one](https://reader033.fdocuments.in/reader033/viewer/2022051600/5aaf48497f8b9adb688d731e/html5/thumbnails/31.jpg)
hz<zqbqe<!giz<gt<
![Page 32: eNehtpQ;QhdKk; eNehnjhopDl;gKk; (Nanoscience and Nanotechnology) and nanotechnology.pdf · • Drexler's vision of nanotechnology is often called ... The Lycurgus Cup represents one](https://reader033.fdocuments.in/reader033/viewer/2022051600/5aaf48497f8b9adb688d731e/html5/thumbnails/32.jpg)
kiljv -jzLotus effect
![Page 33: eNehtpQ;QhdKk; eNehnjhopDl;gKk; (Nanoscience and Nanotechnology) and nanotechnology.pdf · • Drexler's vision of nanotechnology is often called ... The Lycurgus Cup represents one](https://reader033.fdocuments.in/reader033/viewer/2022051600/5aaf48497f8b9adb688d731e/html5/thumbnails/33.jpg)
DNA and Protein, not Cell
![Page 34: eNehtpQ;QhdKk; eNehnjhopDl;gKk; (Nanoscience and Nanotechnology) and nanotechnology.pdf · • Drexler's vision of nanotechnology is often called ... The Lycurgus Cup represents one](https://reader033.fdocuments.in/reader033/viewer/2022051600/5aaf48497f8b9adb688d731e/html5/thumbnails/34.jpg)
osbx<jg fOfik<okiGkqgt<
![Page 35: eNehtpQ;QhdKk; eNehnjhopDl;gKk; (Nanoscience and Nanotechnology) and nanotechnology.pdf · • Drexler's vision of nanotechnology is often called ... The Lycurgus Cup represents one](https://reader033.fdocuments.in/reader033/viewer/2022051600/5aaf48497f8b9adb688d731e/html5/thumbnails/35.jpg)