Method for manufacturing device comprising inorganic/organic hybrid perovskite compound film and device comprising inorganic/organic hybrid perovskite compound film

1. A method for manufacturing a device including an inorganic/organic hybrid perovskite compound film comprising:

a) stacking a first structure including a first surface layer containing at least one of materials i) to v) below, and a second structure including a second surface layer containing, independently from the first surface layer, at least one of the materials i) to v) below so that the first surface layer and the second surface layer are in contact with each other, and

b) applying heat and physical force to a laminate in which the first structure and the second structure are stacked,

wherein the first surface layer and the second surface layer are each independently formed of a coating film on which a particulate of at least one of the materials i) to v) is coated, a porous film of at least one of the materials i) to v), a dense film of at least one of the materials i) to v), or a combination thereof of

i) an inorganic/organic hybrid perovskite compound,

ii) an organic halide,

iii) a metal halide,

iv) an inorganic/organic hybrid perovskite compound precursor, and

v) a metal halide precursor.

2. The method of claim 1 , wherein the first surface layer and the second surface layer are converted into a single inorganic/organic hybrid perovskite compound film by applying heat and physical force in b).

3. The method of claim 1 , wherein a pair of the material contained in the first surface layer and the material contained in the second surface layer is one of 1) to 5) below:

1) inorganic/organic hybrid perovskite compound-inorganic/organic hybrid perovskite compound,

2) inorganic/organic hybrid perovskite compound-inorganic/organic hybrid perovskite compound precursor,

3) inorganic/organic hybrid perovskite compound precursor-inorganic/organic hybrid perovskite compound precursor,

4) metal halide precursor-organic halide, and

5) metal halide-organic halide.

4. The method of claim 1 , wherein the first surface layer and the second surface layer are patterned in a shape that the first surface layer and the second surface layer correspond to each other.

5. The method of claim 1 , wherein the first surface layer and the second surface layer are each independently formed by printing, coating or vapor deposition.

6. The method of claim 5 , wherein the first surface layer and the second surface layer are each independently formed by using a solution in which at least one of the materials i) and v) is dissolved or a slurry or an ink in which at least one of the materials i) and v) is dispersed.

7. The method of claim 1 , wherein i) the inorganic/organic hybrid perovskite compound satisfies Chemical Formula 1, 2 or 3 below:

AMX 3   (Chemical Formula 1)

in Chemical Formula 1, A is a monovalent cation, A is an organic ammonium ion, an amidinium group ion or an organic ammonium ion and an amidinium group ion, M is a divalent metal ion, and X is a halogen ion,

A(M 1-a N a )X 3   (Chemical Formula 2)

in Chemical Formula 2, A is a monovalent cation, A is an organic ammonium ion, an amidinium group ion or an organic ammonium ion and an amidinium group ion, M is a divalent metal ion, N is at least one doping metal ion selected from a monovalent metal ion and a trivalent metal ion, a is a real number of 0<a≤0.1, and X is a halogen ion,

A(N 1 1-b N 2 b )X 3   (Chemical Formula 3)

in Chemical Formula 3, A is a monovalent cation, A is an organic ammonium ion, an amidinium group ion or an organic ammonium ion and an amidinium group ion, N 1 is a monovalent metal ion, N 2 is a trivalent metal ion, b is a real number of 0.4≤b≤0.6, and X is a halogen ion.

8. The method of claim 7 , wherein in Chemical Formula 1, 2 or 3, A is A a (1-x) A b x, A a is an amidinium group ion, A b is an organic ammonium ion, and x is a real number of 0.3 to 0.05.

9. The method of claim 7 , wherein in Chemical Formula 1, 2 or 3, X includes two different halogen ions.

10. The method of claim 1 , wherein iv) the organic halide satisfies Chemical Formula 4 below:

AX  (Chemical Formula 4)

in Chemical Formula 4, A is a monovalent cation, A is an organic ammonium ion, an amidinium group ion or an organic ammonium ion and an amidinium group ion, and X is a halogen ion.

11. The method of claim 1 , wherein v) the metal halide satisfies Chemical Formula 5, Chemical Formula 6 or Chemical Formula 7 below:

MX 2   (Chemical Formula 5)

in Chemical Formula 5, M is a divalent metal ion, and X is a halogen ion,

(M 1-a N a )X 2   (Chemical Formula 6)

in Chemical Formula 6, M is a divalent metal ion, N is at least one doping metal ion selected from a monovalent metal ion and a trivalent metal ion, a is a real number of 0<a≤0.1, and X is a halogen ion,

(N 1 1-b N 2 b )X 2   (Chemical Formula 7)

in Chemical Formula 7, N 1 is a monovalent metal ion, N 2 is a trivalent metal ion, b is a real number of 0.4≤b ≤0.6, and X is a halogen ion.

12. The method of claim 1 , wherein the applying of heat and physical force in b) is performed by hot pressing.

13. The method of claim 12 , wherein the hot pressing is performed at a temperature of 50 to 250° C. and a pressure of 1 to 100 MPa.

14. The method of claim 1 , wherein the first structure further includes a first substrate and a first electrode positioned on the first substrate, and the second structure further includes a second substrate and a second electrode positioned on the second substrate.

15. The method of claim 14 , wherein the first structure further includes an electron transport structure positioned on the first electrode.

16. The method of claim 14 , wherein the second structure further includes a hole transport structure positioned on the second electrode.

17. The method of claim 14 , wherein the first substrate and the second substrate are flexible substrates.

18. The method of claim 14 , wherein at least one of the first substrate and the second substrate is a transparent substrate, and at least one of the first electrode and the second electrode is a transparent electrode.

19. The method of claim 1 , wherein the device is a light emitting device, a memory device, a photovoltaic device, or a thermoelectric device.

20. A laminate for manufacturing a solar cell having a tandem structure comprising:

a first structure including a first substrate which is a transparent substrate, a first electrode which is a transparent electrode positioned on the first substrate, a charge transport structure positioned on the first electrode, and a first surface layer containing at least one of materials i) to v) below, and

a second structure including a second electrode, an inorganic light absorbing layer that is positioned on the second electrode and absorbs light of 800 nm or more to generate electrons and holes, a bonding layer positioned on the inorganic light absorbing layer, and a second surface layer containing, independently from the first surface layer, at least one of the materials i) to v) below,

wherein the laminate is a laminate in which the first structure and the second structure are stacked so that the first surface layer of the first structure and the second surface layer of the second structure are in contact with each other,

wherein the first surface layer and the second surface layer are each independently formed of a coating film on which a particulate of at least one of the materials i) to v) is coated, a porous film of at least one of the materials i) to v), a dense film of at least one of the materials i) to v), or a combination thereof of

i) an inorganic/organic hybrid perovskite compound,

ii) an organic halide,

iii) a metal halide,

iv) an inorganic/organic hybrid perovskite compound precursor, and

v) a metal halide precursor.