TWI455889B - 碳包覆金屬氧化物奈米顆粒及其製造方法 - Google Patents

碳包覆金屬氧化物奈米顆粒及其製造方法 Download PDF

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TWI455889B
TWI455889B TW097129714A TW97129714A TWI455889B TW I455889 B TWI455889 B TW I455889B TW 097129714 A TW097129714 A TW 097129714A TW 97129714 A TW97129714 A TW 97129714A TW I455889 B TWI455889 B TW I455889B
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metal oxide
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carbon
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TW201006767A (en
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Chia Min Yang
Yu Chuan Hsu
Huang Ching Lin
yi ting Liao
Chien Wei Lue
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Nat Univ Tsing Hua
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Claims (21)

  1. 一種碳包覆金屬氧化物奈米顆粒的製造方法，包括：將一金屬氧化物的前驅物與一聚合物的前驅物均勻分散於一溶劑中，而得一溶液，其中該金屬氧化物含有一或多種金屬，且該聚合物的前驅物選自醣類及糠醇；加熱該溶液以使該金屬氧化物的前驅物反應形成該金屬氧化物的奈米顆粒，該反應會產生酸作為副產物，且該副產物會使該聚合物的前驅物在剛形成之該金屬氧化物的奈米顆粒上產生聚合反應，以形成被該聚合物包覆的該金屬氧化物的奈米顆粒；以及進行一熱裂解處理以使包覆在該金屬氧化物的奈米顆粒上的該聚合物碳化，以形成碳包覆金屬氧化物奈米顆粒。
  2. 如申請專利範圍第1項所述之碳包覆金屬氧化物奈米顆粒的製造方法，更包括：在形成被該聚合物包覆的該金屬氧化物的奈米顆粒之後，從該溶液中分離出被該聚合物包覆的該金屬氧化物的奈米顆粒。
  3. 如申請專利範圍第1項所述之碳包覆金屬氧化物奈米顆粒的製造方法，其中該溶劑是一有機溶劑，選自由醇類、醛類、酮類及醚類所組成之族群。
  4. 如申請專利範圍第1項所述之碳包覆金屬氧化物奈米顆粒的製造方法，其中該金屬是選自由主族金屬及過渡金屬所組成之族群。
  5. 如申請專利範圍第1項所述之碳包覆金屬氧化物奈米 顆粒的製造方法，其中該金屬氧化物的前驅物是選自由金屬無機鹽以及金屬無機鹽與有機金屬錯合物的混合物所組成之族群。
  6. 如申請專利範圍第5項所述之碳包覆金屬氧化物奈米顆粒的製造方法，其中金屬無機鹽是選自由TiCl4 、Ti(SO4 )2 、TiOSO4 、VOCl3 、FeCl3 、Fe(NO3 )3 、CoCl2 、NbCl5 、SnCl4 、WCl6 及Pb(NO3 )2 所組成之族群。
  7. 如申請專利範圍第5項所述之碳包覆金屬氧化物奈米顆粒的製造方法，其中有機金屬錯合物是選自由乙氧基鈦、正丙氧基鈦、異丙氧基鈦、正丁氧基鈦、乙醯丙酮鐵(III)、乙酸銅、(三乙基甲氧基)鋅、正丙氧基鋯、三級丁氧基鋯、異丙氧基鋯、乙氧基鈮、乙醯丙酮銦、三級丁氧基錫及乙醯丙酮鉛所組成之族群。
  8. 如申請專利範圍第1項所述之碳包覆金屬氧化物奈米顆粒的製造方法，更包括將摻雜前驅物與該金屬氧化物的前驅物和該聚合物的前驅物一同均勻分散於該溶劑中，以使所得之該碳包覆金屬氧化物奈米顆粒中摻有異原子，該摻雜前驅物是選自由非金屬類摻雜物之前驅物以及含其他金屬之摻雜物的前驅物所組成的族群。
  9. 如申請專利範圍第8項所述之碳包覆金屬氧化物奈米顆粒的製造方法，其中含其他金屬之摻雜物的前驅物是選自由元素態金屬、金屬無機鹽及有機金屬錯合物所組成的族群。
  10. 如申請專利範圍第9項所述之碳包覆金屬氧化物奈 米顆粒的製造方法，其中元素態金屬是選自由鋇、鋰、鍶所組成的族群。
  11. 如申請專利範圍第9項所述之碳包覆金屬氧化物奈米顆粒的製造方法，其中金屬無機鹽是選自由TiCl4 、Ti(SO4 )2 、TiOSO4 、VOCl3 、FeCl3 、Fe(NO3 )3 、CoCl2 、NbCl5 、SnCl4 、WCl6 、Pb(NO3 )2 、H2 PtCl6 及RuCl3 所組成的族群。
  12. 如申請專利範圍第9項所述之碳包覆金屬氧化物奈米顆粒的製造方法，其中有機金屬錯合物是選自由乙氧基鈦、正丙氧基鈦、異丙氧基鈦、正丁氧基鈦、乙醯丙酮鐵(III)、乙酸銅、(三乙基甲氧基)鋅、正丙氧基鋯、三級丁氧基鋯、異丙氧基鋯、乙氧基鈮、乙醯丙酮銦、三級丁氧基錫及乙醯丙酮鉛所組成之族群。
  13. 如申請專利範圍第8項所述之碳包覆金屬氧化物奈米顆粒的製造方法，其中非金屬類摻雜物之前驅物是選自由非金屬元素與非金屬化合物所組成的族群。
  14. 如申請專利範圍第13項所述之碳包覆金屬氧化物奈米顆粒的製造方法，其中非金屬元素選自碘與硫。
  15. 如申請專利範圍第13項所述之碳包覆金屬氧化物奈米顆粒的製造方法，其中非金屬化合物是選自由乙酸、磷酸、亞磷酸、次磷酸、HIO3 、氟化銨、氟化氫、尿素及硫代尿素所組成的族群。
  16. 如申請專利範圍第1項所述之碳包覆金屬氧化物奈米顆粒的製造方法，其中熱裂解處理是在高真空或惰性環境下進行。
  17. 如申請專利範圍第16項所述之碳包覆金屬氧化物奈 米顆粒的製造方法，其中該惰性環境之環境氣體選自氮氣、氦氣與氬氣。
  18. 如申請專利範圍第16項所述之碳包覆金屬氧化物奈米顆粒的製造方法，其中該熱裂解處理在10-5 ~10-1 atm之壓力、300~1500℃之溫度下進行。
  19. 如申請專利範圍第1項所述之碳包覆金屬氧化物奈米顆粒的製造方法，其中該碳包覆金屬氧化物奈米顆粒的碳含量約為0.1~20wt%。
  20. 如申請專利範圍第1項所述之碳包覆金屬氧化物奈米顆粒的製造方法，其中該碳包覆金屬氧化物奈米顆粒的表面積約為30~300m2 g-1 。
  21. 如申請專利範圍第1~20項中任一項所述之碳包覆金屬氧化物奈米顆粒的製造方法，其中該碳包覆金屬氧化物奈米顆粒是用作光觸媒。
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