[Script Info]
Title: 
[Events]
Format: Layer, Start, End, Style, Name, MarginL, MarginR, MarginV, Effect, Text
Dialogue: 0,0:00:01.94,0:00:04.70,Default,,0000,0000,0000,,You may have noticed\Nthat I'm wearing two different shoes.
Dialogue: 0,0:00:06.72,0:00:08.39,Default,,0000,0000,0000,,It probably looks funny --
Dialogue: 0,0:00:08.41,0:00:10.14,Default,,0000,0000,0000,,it definitely feels funny --
Dialogue: 0,0:00:10.16,0:00:11.84,Default,,0000,0000,0000,,but I wanted to make a point.
Dialogue: 0,0:00:12.57,0:00:16.88,Default,,0000,0000,0000,,Let's say my left shoe corresponds\Nto a sustainable footprint,
Dialogue: 0,0:00:16.91,0:00:20.11,Default,,0000,0000,0000,,meaning we humans consume\Nless natural resources
Dialogue: 0,0:00:20.13,0:00:22.35,Default,,0000,0000,0000,,than our planet can regenerate,
Dialogue: 0,0:00:22.38,0:00:26.89,Default,,0000,0000,0000,,and emit less carbon dioxide\Nthan our forests and oceans can reabsorb.
Dialogue: 0,0:00:27.53,0:00:29.57,Default,,0000,0000,0000,,That's a stable and healthy condition.
Dialogue: 0,0:00:30.37,0:00:33.64,Default,,0000,0000,0000,,Today's situation\Nis more [like] my other shoe.
Dialogue: 0,0:00:33.67,0:00:35.21,Default,,0000,0000,0000,,It's way oversized.
Dialogue: 0,0:00:35.98,0:00:39.16,Default,,0000,0000,0000,,At the second of August in 2017,
Dialogue: 0,0:00:39.18,0:00:43.51,Default,,0000,0000,0000,,we had already consumed all resources\Nour planet can regenerate this year.
Dialogue: 0,0:00:44.76,0:00:48.28,Default,,0000,0000,0000,,This is like spending all your money\Nuntil the 18th of a month
Dialogue: 0,0:00:48.30,0:00:51.58,Default,,0000,0000,0000,,and then needing a credit\Nfrom the bank for the rest of the time.
Dialogue: 0,0:00:51.60,0:00:53.98,Default,,0000,0000,0000,,For sure, you can do this\Nfor some months in a row,
Dialogue: 0,0:00:54.01,0:00:55.90,Default,,0000,0000,0000,,but if you don't change your behavior,
Dialogue: 0,0:00:55.93,0:00:58.42,Default,,0000,0000,0000,,sooner or later,\Nyou will run into big problems.
Dialogue: 0,0:00:59.22,0:01:03.91,Default,,0000,0000,0000,,We all know the devastating effects\Nof this excessive exploitation:
Dialogue: 0,0:01:03.94,0:01:05.32,Default,,0000,0000,0000,,global warming,
Dialogue: 0,0:01:05.35,0:01:07.08,Default,,0000,0000,0000,,rising of the sea levels,
Dialogue: 0,0:01:07.11,0:01:09.42,Default,,0000,0000,0000,,melting of the glaciers and polar ice,
Dialogue: 0,0:01:09.44,0:01:12.86,Default,,0000,0000,0000,,increasingly extreme\Nclimate patterns and more.
Dialogue: 0,0:01:14.42,0:01:17.08,Default,,0000,0000,0000,,The enormity of this problem\Nreally frustrates me.
Dialogue: 0,0:01:18.31,0:01:21.65,Default,,0000,0000,0000,,What frustrates me even more\Nis that there are solutions to this,
Dialogue: 0,0:01:21.67,0:01:24.03,Default,,0000,0000,0000,,but we keep doing things\Nlike we always did.
Dialogue: 0,0:01:24.60,0:01:26.36,Default,,0000,0000,0000,,Today I want to share with you
Dialogue: 0,0:01:26.39,0:01:31.31,Default,,0000,0000,0000,,how a new solar technology can contribute\Nto a sustainable future of buildings.
Dialogue: 0,0:01:32.50,0:01:36.76,Default,,0000,0000,0000,,Buildings consume about 40 percent\Nof our total energy demand,
Dialogue: 0,0:01:36.78,0:01:38.14,Default,,0000,0000,0000,,so tackling this consumption
Dialogue: 0,0:01:38.16,0:01:40.75,Default,,0000,0000,0000,,would significantly reduce\Nour climate emissions.
Dialogue: 0,0:01:41.44,0:01:43.76,Default,,0000,0000,0000,,A building designed\Nalong sustainable principles
Dialogue: 0,0:01:43.78,0:01:46.16,Default,,0000,0000,0000,,can produce all the power\Nit needs by itself.
Dialogue: 0,0:01:46.81,0:01:47.96,Default,,0000,0000,0000,,To achieve this,
Dialogue: 0,0:01:47.99,0:01:51.35,Default,,0000,0000,0000,,you first have to reduce\Nthe consumption as much as possible,
Dialogue: 0,0:01:51.37,0:01:54.26,Default,,0000,0000,0000,,by using well-insulated walls\Nor windows, for instance.
Dialogue: 0,0:01:54.62,0:01:56.82,Default,,0000,0000,0000,,These technologies\Nare commercially available.
Dialogue: 0,0:01:57.83,0:02:00.47,Default,,0000,0000,0000,,Then you need energy\Nfor warm water and heating.
Dialogue: 0,0:02:01.13,0:02:03.81,Default,,0000,0000,0000,,You can get this\Nin a renewable way from the sun
Dialogue: 0,0:02:03.83,0:02:05.65,Default,,0000,0000,0000,,through solar-thermal installations
Dialogue: 0,0:02:05.67,0:02:07.100,Default,,0000,0000,0000,,or from the ground and air,\Nwith heat pumps.
Dialogue: 0,0:02:08.02,0:02:09.98,Default,,0000,0000,0000,,All of these technologies are available.
Dialogue: 0,0:02:10.97,0:02:13.32,Default,,0000,0000,0000,,Then you are left\Nwith the need for electricity.
Dialogue: 0,0:02:13.96,0:02:17.86,Default,,0000,0000,0000,,In principle, there are several ways\Nto get renewable electricity,
Dialogue: 0,0:02:17.88,0:02:21.15,Default,,0000,0000,0000,,but how many buildings do you know\Nwhich have a windmill on the roof,
Dialogue: 0,0:02:21.18,0:02:23.14,Default,,0000,0000,0000,,or a water power plant in the garden?
Dialogue: 0,0:02:23.49,0:02:26.51,Default,,0000,0000,0000,,Probably not so many, because usually,\Nit doesn't make sense.
Dialogue: 0,0:02:26.53,0:02:30.04,Default,,0000,0000,0000,,But the sun provides abundant energy\Nto our roofs and facades.
Dialogue: 0,0:02:31.39,0:02:35.84,Default,,0000,0000,0000,,The potential to harvest this energy\Nat our buildings' surfaces is enormous.
Dialogue: 0,0:02:36.70,0:02:38.50,Default,,0000,0000,0000,,Let's take Europe as an example.
Dialogue: 0,0:02:39.17,0:02:43.46,Default,,0000,0000,0000,,If you would utilize all areas\Nwhich have a nice orientation to the sun
Dialogue: 0,0:02:43.48,0:02:45.17,Default,,0000,0000,0000,,and they're not overly shaded,
Dialogue: 0,0:02:45.19,0:02:48.23,Default,,0000,0000,0000,,the power generated by photovoltaics
Dialogue: 0,0:02:48.25,0:02:51.72,Default,,0000,0000,0000,,would correspond to about 30 percent\Nof our total energy demand.
Dialogue: 0,0:02:52.30,0:02:54.87,Default,,0000,0000,0000,,But today's photovoltaics\Nhave some issues.
Dialogue: 0,0:02:55.61,0:02:58.18,Default,,0000,0000,0000,,They do offer a good\Ncost-performance ratio,
Dialogue: 0,0:02:58.20,0:03:00.87,Default,,0000,0000,0000,,but they aren't really flexible\Nin terms of their design,
Dialogue: 0,0:03:00.90,0:03:02.72,Default,,0000,0000,0000,,and this makes aesthetics a challenge.
Dialogue: 0,0:03:03.12,0:03:05.58,Default,,0000,0000,0000,,People often imagine pictures like this
Dialogue: 0,0:03:05.60,0:03:08.03,Default,,0000,0000,0000,,when thinking about\Nsolar cells on buildings.
Dialogue: 0,0:03:08.06,0:03:09.96,Default,,0000,0000,0000,,This may work for solar farms,
Dialogue: 0,0:03:09.99,0:03:13.39,Default,,0000,0000,0000,,but when you think of buildings,\Nof streets, of architecture,
Dialogue: 0,0:03:13.41,0:03:14.84,Default,,0000,0000,0000,,aesthetics does matter.
Dialogue: 0,0:03:15.52,0:03:19.54,Default,,0000,0000,0000,,This is the reason why we don't see\Nmany solar cells on buildings today.
Dialogue: 0,0:03:19.57,0:03:20.89,Default,,0000,0000,0000,,They just don't match.
Dialogue: 0,0:03:21.76,0:03:26.07,Default,,0000,0000,0000,,Our team is working on a totally\Ndifferent solar-cell technology,
Dialogue: 0,0:03:26.10,0:03:29.57,Default,,0000,0000,0000,,which is called\Norganic photovoltaics or OPV.
Dialogue: 0,0:03:29.60,0:03:31.43,Default,,0000,0000,0000,,The term organic describes
Dialogue: 0,0:03:31.46,0:03:35.31,Default,,0000,0000,0000,,that the material used\Nfor light absorption and charge transport
Dialogue: 0,0:03:35.33,0:03:37.42,Default,,0000,0000,0000,,are mainly based on the element carbon,
Dialogue: 0,0:03:37.45,0:03:38.64,Default,,0000,0000,0000,,and not on metals.
Dialogue: 0,0:03:39.34,0:03:42.05,Default,,0000,0000,0000,,We utilize the mixture of a polymer
Dialogue: 0,0:03:42.08,0:03:44.64,Default,,0000,0000,0000,,which is set up by different\Nrepeating units,
Dialogue: 0,0:03:44.66,0:03:46.69,Default,,0000,0000,0000,,like the pearls in a pearl chain,
Dialogue: 0,0:03:46.71,0:03:49.69,Default,,0000,0000,0000,,and a small molecule\Nwhich has the shape of a football
Dialogue: 0,0:03:49.71,0:03:51.06,Default,,0000,0000,0000,,and is called fullerene.
Dialogue: 0,0:03:51.85,0:03:55.78,Default,,0000,0000,0000,,These two compounds are mixed\Nand dissolved to become an ink.
Dialogue: 0,0:03:56.41,0:03:57.57,Default,,0000,0000,0000,,And like ink,
Dialogue: 0,0:03:57.59,0:04:02.02,Default,,0000,0000,0000,,they can be printed with simple\Nprinting techniques like slot-die coating
Dialogue: 0,0:04:02.04,0:04:05.86,Default,,0000,0000,0000,,in a continuous roll-to-roll process\Non flexible substrates.
Dialogue: 0,0:04:06.86,0:04:09.22,Default,,0000,0000,0000,,The resulting thin layer\Nis the active layer,
Dialogue: 0,0:04:09.24,0:04:11.08,Default,,0000,0000,0000,,absorbing the energy of the sun.
Dialogue: 0,0:04:11.90,0:04:14.48,Default,,0000,0000,0000,,This active layer is extremely effective.
Dialogue: 0,0:04:15.52,0:04:18.93,Default,,0000,0000,0000,,You only need a layer thickness\Nof 0.2 micrometers
Dialogue: 0,0:04:18.95,0:04:20.71,Default,,0000,0000,0000,,to absorb the energy of the sun.
Dialogue: 0,0:04:21.17,0:04:23.77,Default,,0000,0000,0000,,This is 100 times thinner\Nthan a human hair.
Dialogue: 0,0:04:24.88,0:04:26.84,Default,,0000,0000,0000,,To give you another example,
Dialogue: 0,0:04:26.87,0:04:29.57,Default,,0000,0000,0000,,take one kilogram of the basic polymer
Dialogue: 0,0:04:29.59,0:04:31.80,Default,,0000,0000,0000,,and use it to formulate the active ink.
Dialogue: 0,0:04:32.50,0:04:33.91,Default,,0000,0000,0000,,With this amount of ink,
Dialogue: 0,0:04:33.94,0:04:37.94,Default,,0000,0000,0000,,you can print a solar cell\Nthe size of a complete football field.
Dialogue: 0,0:04:39.11,0:04:42.80,Default,,0000,0000,0000,,So OPV is extremely material efficient,
Dialogue: 0,0:04:42.82,0:04:46.11,Default,,0000,0000,0000,,which I think is a crucial thing\Nwhen talking about sustainability.
Dialogue: 0,0:04:47.35,0:04:49.24,Default,,0000,0000,0000,,After the printing process,
Dialogue: 0,0:04:49.26,0:04:51.98,Default,,0000,0000,0000,,you can have a solar module\Nwhich could look like this ...
Dialogue: 0,0:04:52.99,0:04:55.01,Default,,0000,0000,0000,,It looks a bit like a plastic foil,
Dialogue: 0,0:04:55.04,0:04:56.92,Default,,0000,0000,0000,,and actually has many of its features.
Dialogue: 0,0:04:57.62,0:04:58.78,Default,,0000,0000,0000,,It's lightweight ...
Dialogue: 0,0:05:00.48,0:05:01.63,Default,,0000,0000,0000,,it's bendable ...
Dialogue: 0,0:05:02.46,0:05:04.18,Default,,0000,0000,0000,,and it's semitransparent.
Dialogue: 0,0:05:06.95,0:05:09.33,Default,,0000,0000,0000,,But it can harvest the energy\Nof the sun outdoors
Dialogue: 0,0:05:09.35,0:05:10.82,Default,,0000,0000,0000,,and also of this indoor light,
Dialogue: 0,0:05:10.85,0:05:13.71,Default,,0000,0000,0000,,as you can see with this small,\Nilluminated LED.
Dialogue: 0,0:05:14.87,0:05:16.78,Default,,0000,0000,0000,,You can use it in its plastic form
Dialogue: 0,0:05:16.80,0:05:19.87,Default,,0000,0000,0000,,and take advantage of its low weight\Nand its bendability.
Dialogue: 0,0:05:20.94,0:05:24.56,Default,,0000,0000,0000,,The first is important when thinking\Nabout buildings in warmer regions.
Dialogue: 0,0:05:25.32,0:05:28.96,Default,,0000,0000,0000,,Here, the roofs are not designed\Nto bear additionally heavy loads.
Dialogue: 0,0:05:28.98,0:05:31.63,Default,,0000,0000,0000,,They aren't designed\Nfor snow in winter, for instance,
Dialogue: 0,0:05:31.66,0:05:35.82,Default,,0000,0000,0000,,so heavy silicon solar cells\Ncannot be used for light harvesting,
Dialogue: 0,0:05:35.85,0:05:38.86,Default,,0000,0000,0000,,but these lightweight solar foils\Nare very well suited.
Dialogue: 0,0:05:40.07,0:05:42.52,Default,,0000,0000,0000,,The bendability is important
Dialogue: 0,0:05:42.54,0:05:46.12,Default,,0000,0000,0000,,if you want to combine the solar cell\Nwith membrane architecture.
Dialogue: 0,0:05:46.80,0:05:50.38,Default,,0000,0000,0000,,Imagine the sails\Nof the Sydney Opera as power plants.
Dialogue: 0,0:05:50.93,0:05:53.26,Default,,0000,0000,0000,,Alternatively, you can\Ncombine the solar foils
Dialogue: 0,0:05:53.28,0:05:55.82,Default,,0000,0000,0000,,with conventional construction\Nmaterials like glass.
Dialogue: 0,0:05:56.46,0:05:58.85,Default,,0000,0000,0000,,Many glass facade elements\Ncontain a foil anyway,
Dialogue: 0,0:05:58.87,0:06:00.57,Default,,0000,0000,0000,,to create laminated safety glass.
Dialogue: 0,0:06:01.15,0:06:04.67,Default,,0000,0000,0000,,It's not a big deal to add\Na second foil in the production process,
Dialogue: 0,0:06:04.69,0:06:07.60,Default,,0000,0000,0000,,but then the facade element\Ncontains the solar cell
Dialogue: 0,0:06:07.63,0:06:09.49,Default,,0000,0000,0000,,and can produce electricity.
Dialogue: 0,0:06:11.06,0:06:12.75,Default,,0000,0000,0000,,Besides looking nice,
Dialogue: 0,0:06:12.77,0:06:16.95,Default,,0000,0000,0000,,these integrated solar cells come along\Nwith two more important benefits.
Dialogue: 0,0:06:17.60,0:06:21.30,Default,,0000,0000,0000,,Do you remember the solar cell\Nattached to a roof I showed before?
Dialogue: 0,0:06:21.32,0:06:23.99,Default,,0000,0000,0000,,In this case, we install the roof first,
Dialogue: 0,0:06:24.02,0:06:25.91,Default,,0000,0000,0000,,and as a second layer, the solar cell.
Dialogue: 0,0:06:25.93,0:06:27.93,Default,,0000,0000,0000,,This is adding on the installation costs.
Dialogue: 0,0:06:28.51,0:06:30.64,Default,,0000,0000,0000,,In the case of integrated solar cells,
Dialogue: 0,0:06:30.67,0:06:34.12,Default,,0000,0000,0000,,at the site of construction,\Nonly one element is installed,
Dialogue: 0,0:06:34.14,0:06:36.60,Default,,0000,0000,0000,,being at the same time\Nthe envelope of the building
Dialogue: 0,0:06:36.63,0:06:37.78,Default,,0000,0000,0000,,and the solar cell.
Dialogue: 0,0:06:38.80,0:06:40.83,Default,,0000,0000,0000,,Besides saving on the installation costs,
Dialogue: 0,0:06:40.85,0:06:42.78,Default,,0000,0000,0000,,this also saves resources,
Dialogue: 0,0:06:42.80,0:06:46.22,Default,,0000,0000,0000,,because the two functions\Nare combined into one element.
Dialogue: 0,0:06:46.25,0:06:48.14,Default,,0000,0000,0000,,Earlier, I've talked about optics.
Dialogue: 0,0:06:48.17,0:06:49.94,Default,,0000,0000,0000,,I really like this solar panel --
Dialogue: 0,0:06:50.37,0:06:53.29,Default,,0000,0000,0000,,maybe you have different taste\Nor different design needs ...
Dialogue: 0,0:06:54.17,0:06:55.32,Default,,0000,0000,0000,,No problem.
Dialogue: 0,0:06:55.34,0:06:56.61,Default,,0000,0000,0000,,With the printing process,
Dialogue: 0,0:06:56.63,0:07:00.90,Default,,0000,0000,0000,,the solar cell can change\Nits shape and design very easily.
Dialogue: 0,0:07:01.57,0:07:04.09,Default,,0000,0000,0000,,This will give the flexibility\Nto architects,
Dialogue: 0,0:07:04.11,0:07:06.02,Default,,0000,0000,0000,,to planners and building owners,
Dialogue: 0,0:07:06.05,0:07:09.72,Default,,0000,0000,0000,,to integrate this electricity-producing\Ntechnology as they wish.
Dialogue: 0,0:07:15.32,0:07:18.60,Default,,0000,0000,0000,,I want to stress that this is not\Njust happening in the labs.
Dialogue: 0,0:07:18.62,0:07:21.37,Default,,0000,0000,0000,,It will take seven more years\Nto get to mass adoption,
Dialogue: 0,0:07:21.39,0:07:23.63,Default,,0000,0000,0000,,but we are at the edge\Nof commercialization,
Dialogue: 0,0:07:24.66,0:07:27.97,Default,,0000,0000,0000,,meaning there are several companies\Nout there with production lines.
Dialogue: 0,0:07:28.56,0:07:30.42,Default,,0000,0000,0000,,They are scaling up their capacities,
Dialogue: 0,0:07:30.44,0:07:32.13,Default,,0000,0000,0000,,and so are we, with the inks.
Dialogue: 0,0:07:36.61,0:07:37.76,Default,,0000,0000,0000,,(Shoe drops)
Dialogue: 0,0:07:41.00,0:07:43.55,Default,,0000,0000,0000,,This smaller footprint\Nis much more comfortable.
Dialogue: 0,0:07:43.58,0:07:45.05,Default,,0000,0000,0000,,(Laughter)
Dialogue: 0,0:07:45.07,0:07:47.58,Default,,0000,0000,0000,,It is the right size, the right scale.
Dialogue: 0,0:07:48.03,0:07:51.100,Default,,0000,0000,0000,,We have to come back to the right scale\Nwhen it comes to energy consumption.
Dialogue: 0,0:07:52.54,0:07:55.62,Default,,0000,0000,0000,,And making buildings carbon-neutral\Nis an important part here.
Dialogue: 0,0:07:56.33,0:07:57.48,Default,,0000,0000,0000,,In Europe,
Dialogue: 0,0:07:57.51,0:08:00.59,Default,,0000,0000,0000,,we have the goal to decarbonize\Nour building stock until 2050.
Dialogue: 0,0:08:01.32,0:08:04.60,Default,,0000,0000,0000,,I hope organic photovoltaics\Nwill be a big part of this.
Dialogue: 0,0:08:05.88,0:08:07.59,Default,,0000,0000,0000,,Here are a couple of examples.
Dialogue: 0,0:08:08.12,0:08:12.57,Default,,0000,0000,0000,,This is the first commercial installation\Nof fully printed organic solar cells.
Dialogue: 0,0:08:13.28,0:08:17.03,Default,,0000,0000,0000,,"Commercial" means that the solar cells\Nwere printed on industrial equipment.
Dialogue: 0,0:08:17.90,0:08:21.29,Default,,0000,0000,0000,,The so-called "solar trees"\Nwere part of the German pavilion
Dialogue: 0,0:08:21.31,0:08:23.71,Default,,0000,0000,0000,,at the World Expo in Milan in 2015.
Dialogue: 0,0:08:24.53,0:08:26.66,Default,,0000,0000,0000,,They provided shading during the day
Dialogue: 0,0:08:26.69,0:08:28.96,Default,,0000,0000,0000,,and electricity\Nfor the lighting in the evening.
Dialogue: 0,0:08:29.72,0:08:33.27,Default,,0000,0000,0000,,You may wonder why this hexagonal shape\Nwas chosen for the solar cells.
Dialogue: 0,0:08:33.74,0:08:34.96,Default,,0000,0000,0000,,Easy answer:
Dialogue: 0,0:08:34.98,0:08:38.31,Default,,0000,0000,0000,,the architects wanted to have\Na specific shading pattern on the floor
Dialogue: 0,0:08:38.34,0:08:39.60,Default,,0000,0000,0000,,and asked for it,
Dialogue: 0,0:08:39.63,0:08:41.50,Default,,0000,0000,0000,,and then it was printed as requested.
Dialogue: 0,0:08:42.28,0:08:43.93,Default,,0000,0000,0000,,Being far from a real product,
Dialogue: 0,0:08:43.95,0:08:47.69,Default,,0000,0000,0000,,this free-form installation hooked\Nthe imagination of the visiting architects
Dialogue: 0,0:08:47.71,0:08:49.19,Default,,0000,0000,0000,,much more than we expected.
Dialogue: 0,0:08:49.83,0:08:52.77,Default,,0000,0000,0000,,This other application\Nis closer to the projects
Dialogue: 0,0:08:52.80,0:08:54.92,Default,,0000,0000,0000,,and applications we are targeting.
Dialogue: 0,0:08:54.94,0:08:57.83,Default,,0000,0000,0000,,In an office building\Nin São Paulo, Brazil,
Dialogue: 0,0:08:57.85,0:09:01.60,Default,,0000,0000,0000,,semitransparent OPV panels\Nare integrated into the glass facade,
Dialogue: 0,0:09:01.62,0:09:02.89,Default,,0000,0000,0000,,serving different needs.
Dialogue: 0,0:09:03.55,0:09:06.80,Default,,0000,0000,0000,,First, they provided shading\Nfor the meeting rooms behind.
Dialogue: 0,0:09:07.48,0:09:12.20,Default,,0000,0000,0000,,Second, the logo of the company\Nis displayed in an innovative way.
Dialogue: 0,0:09:12.64,0:09:14.53,Default,,0000,0000,0000,,And of course, electricity is produced,
Dialogue: 0,0:09:14.56,0:09:16.88,Default,,0000,0000,0000,,reducing the energy footprint\Nof the building.
Dialogue: 0,0:09:17.55,0:09:19.40,Default,,0000,0000,0000,,This is pointing towards a future
Dialogue: 0,0:09:19.42,0:09:21.87,Default,,0000,0000,0000,,where buildings are no longer\Nenergy consumers,
Dialogue: 0,0:09:21.89,0:09:23.31,Default,,0000,0000,0000,,but energy providers.
Dialogue: 0,0:09:23.96,0:09:26.90,Default,,0000,0000,0000,,I want to see solar cells\Nseamlessly integrated
Dialogue: 0,0:09:26.92,0:09:28.80,Default,,0000,0000,0000,,into our building shells
Dialogue: 0,0:09:28.83,0:09:31.88,Default,,0000,0000,0000,,to be both resource-efficient\Nand a pleasure to look at.
Dialogue: 0,0:09:32.61,0:09:36.72,Default,,0000,0000,0000,,For roofs, silicon solar cells\Nwill often continue to be a good solution.
Dialogue: 0,0:09:37.11,0:09:41.63,Default,,0000,0000,0000,,But to exploit the potential\Nof all facades and other areas,
Dialogue: 0,0:09:41.65,0:09:43.94,Default,,0000,0000,0000,,such as semitransparent areas,
Dialogue: 0,0:09:43.96,0:09:46.55,Default,,0000,0000,0000,,curved surfaces and shadings,
Dialogue: 0,0:09:46.57,0:09:51.58,Default,,0000,0000,0000,,I believe organic photovoltaics\Ncan offer a significant contribution,
Dialogue: 0,0:09:51.60,0:09:56.81,Default,,0000,0000,0000,,and they can be made in any form\Narchitects and planners will want them to.
Dialogue: 0,0:09:57.42,0:09:58.58,Default,,0000,0000,0000,,Thank you.
Dialogue: 0,0:09:58.60,0:10:02.02,Default,,0000,0000,0000,,(Applause)