PROGRESS IN CHEMISTRY. ,ZnO. Yang Sen Ni Yonghong 3 3. (No )

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1 PROGRESS IN CHEMISTRY Vol. 19 No. 10 Oct., ZnO 3 3 ( ) ZnO, ; ZnO, ; ZnO, ZnO : O ; O ; TB383 : A : X(2007) Low2Dimensional ZnO Nanomaterials Yang Sen Ni Yonghong 3 3 (College of Chemistry and Materials Science, Anhui Normal University, Wuhu , China) Abstract Some new preparation methods of ZnO nanomaterials in recent years, including ionic liquid method, RF magnetron sputtering route, electrochemical synthesis, pulsed laser ablation deposition technique, hydrothermal approach, are presented in this paper. The advantages and disadvantages of these methods are simply summarized. The factors of affecting the morphology of ZnO nanomaterials such as reaction temperature, time, ph, sorts and concentrations of reactants and surfactants are mentioned. Since the surfactant usually plays an important role in the controlled synthesis of ZnO nanocrystals with certain shape in solution phases, many surfactants such as SDS, CTAB, HMTA, PVP, PEG and PMMA are discussed. The potential applications of ZnO nanomaterials in the commodity, medicine, catalyst, information record and store, absorption wave material, rubber and dope industry are introduced and the future development in ZnO nanomaterial research field is supposed. Key words zinc oxide ; morphology ; preparations 1 ZnO 2,, 3137eV, 60meV, :ZnO,,ZnO ;ZnO, ;ZnO,, ; ZnO, (LED), ZnO [3 5 ], ZnO : , : (No ) (No ) (No. 2005kj123,2006KJ006TD) (No. 2005xzx17) 3 3 e2mail ahnu. edu. cn, [1 ] [2 ]

2 10 ZnO 1511, ZnO,ZnO 1 ZnO, SEM 2 [6 15 ], [16 24 ] ZnO ZnO, ; 1 ZnO SEM [27 ] ZnO Fig. 1 SEM images of ZnO nanorod aggregates [27 ], ZnO, 2 ZnO,,:, : ;, (top2down) (, ) (bottom2up) ( ) Kim [28 ] Si,Zn,, Zn, ZnO [29 ],, ZnO 50nm ZnO 211 ZnO, PL ( ) ( < 110 ),,,, Zhu [30 ] 2, ZnO, Wang [25 ] , Zn (OH) 4 ZnO (2),, [26 ZnO ], Zn (OH) 2, 170 3h, ZnO XRD ; TEM 25nm, 150nm, 280nm, 372nm 516nm ZnO, 2 ZnO SEM [30 ] ZnO Fig. 2 SEM images of ZnO films [30 ] [27 ] ZnO ,,

3 , 22,, Sun [35 ], [31 ] HF2C 2 H 5 OH2H 2 O,,Zn, ZnO XRD ZnO,, TEM : ZnO, 70nm 3 ZnO SEM Gao [32] 4 ZnO (a) ZnO ( b) SEM [35,37 ] ZnO,AFM( ) ZnO Fig. 4 SEM images of ZnO thin films ( a ) [35 ] and ZnO, nanotowers (b) [37 ] 313eV, [36 ] 3 ZnO SEM [31 ] Fig. 3 SEM images of ZnO nanowires [31 ] [33 ],, :,,,, Xie [38 ] ZnSO 4 2H 2 O, C 10 H 8 N 2, 2H 2 O KSCN, ph, h, ZnO (5) TEM,, ZnO, [39 41, ] ZnO Okada [34 ] ZnO %ZnO KrF, (O 2 ΠHe), Al 2 O 3 ZnO KrF, ZnO (4a),,, Tong [37 ], ZnO (4b) SEM ZnO 120nm ZnO 5 ZnO SEM [38 ], Fig. 5 SEM image of ZnO hollow spheres [38 ]

4 10 ZnO 1513, [42,43 ZnO ] CTAB ( ), ZnAc 2 2H 2 OZnCl 2,KOH,,, ZnO(6),,, ZnO ZnO 212 ZnO ZnO [42,43 ] TEM () Fig. 6 SEM image of ZnO nanocylinder (a) and TEM image of [42,43 ] ZnO nanorods (b),, ZnO : 51 ph ] Zhou [48 ], ZnO Yin [52 ] SDS ( [44 ] 2 ), ZnO ;,SDS, 4 : SDS ; ;,ZnO Zn 2 + ;, SDS 3,Zn 2 + ZnO ; ZnO, SDS ZnO, 2 SDS,,, Li [53 ] CTAB, h,, ZnO CTAB ZnO :,,, ZnO, ;,, ZnO ;,, CTAB,, CTAB,CTAB, [ 0001 ], [45, ZnO 6 ZnO SEM () ZnO ZnO,

5 [54 Gao ] HMTA,, ( ),,, ZnO, HMTA ZnO ZnO : HMTA,,: OH - ; OH - Zn 2 + ZnO ; ZnO 312, HMTA ZnO,,,,,, ZnO ZnO, PVP ( ) [55 ] PEG (, [56 ) 57 ] [58 PMMA ( ) 60 ] [63 ] :,, ZnO, 313 ZnO [64, ], ZnO,ZnO,,:, ZnO, ZnO,, ZnO,, 3 ZnO, ZnO 314, ZnO,, [61 ] [65, ZnO ],, 311 [62 ZnO ],,, 2, 315 ZnO, ZnO,, ZnO,,,,,,,, (, [66 ] ), ZnO ZnO,ZnO,

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